diff --git a/reV/config/execution.py b/reV/config/execution.py
index 721edc939..1400891da 100644
--- a/reV/config/execution.py
+++ b/reV/config/execution.py
@@ -22,11 +22,9 @@ def __init__(self, config_dict):
         """
         super().__init__(config_dict)
 
-        self._option = 'local'
-        self._nodes = 1
-        self._max_workers = None
-        self._sites_per_worker = None
-        self._mem_util_lim = 0.4
+        self._default_option = 'local'
+        self._default_nodes = 1
+        self._default_mem_util_lim = 0.4
 
     @property
     def option(self):
@@ -37,8 +35,7 @@ def option(self):
         option : str
             Execution control option, e.g. local, peregrine, eagle...
         """
-        self._option = str(self.get('option', self._option)).lower()
-        return self._option
+        return str(self.get('option', self._default_option)).lower()
 
     @property
     def nodes(self):
@@ -49,8 +46,7 @@ def nodes(self):
         nodes : int
             Number of available nodes. Default is 1 node.
         """
-        self._nodes = int(self.get('nodes', self._nodes))
-        return self._nodes
+        return int(self.get('nodes', self._default_nodes))
 
     @property
     def max_workers(self):
@@ -61,8 +57,7 @@ def max_workers(self):
         max_workers : int | None
             Processes per node. Default is None max_workers (all available).
         """
-        self._max_workers = self.get('max_workers', self._max_workers)
-        return self._max_workers
+        return self.get('max_workers', None)
 
     @property
     def sites_per_worker(self):
@@ -73,9 +68,7 @@ def sites_per_worker(self):
         sites_per_worker : int | None
             Number of sites to run per worker in a parallel scheme.
         """
-        self._sites_per_worker = self.get('sites_per_worker',
-                                          self._sites_per_worker)
-        return self._sites_per_worker
+        return self.get('sites_per_worker', None)
 
     @property
     def memory_utilization_limit(self):
@@ -88,29 +81,15 @@ def memory_utilization_limit(self):
             Memory utilization limit (fractional). Key in the config json is
             "memory_utilization_limit".
         """
-        self._mem_util_lim = self.get('memory_utilization_limit',
-                                      self._mem_util_lim)
-        return self._mem_util_lim
+        mem_util_lim = self.get('memory_utilization_limit',
+                                self._default_mem_util_lim)
+
+        return mem_util_lim
 
 
 class HPCConfig(BaseExecutionConfig):
     """Class to handle HPC configuration inputs."""
-
-    def __init__(self, config_dict):
-        """
-        Parameters
-        ----------
-        config_dict : str | dict
-            File path to config json (str), serialized json object (str),
-            or dictionary with pre-extracted config.
-        """
-
-        super().__init__(config_dict)
-
-        self._hpc_alloc = 'rev'
-        self._feature = None
-        self._module = None
-        self._conda_env = None
+    REQUIREMENTS = ('allocation')
 
     @property
     def allocation(self):
@@ -121,8 +100,8 @@ def allocation(self):
         hpc_alloc : str
             Name of the HPC allocation account for the specified job.
         """
-        self._hpc_alloc = self.get('allocation', self._hpc_alloc)
-        return self._hpc_alloc
+
+        return self['allocation']
 
     @property
     def feature(self):
@@ -138,8 +117,7 @@ def feature(self):
                 "feature": "--qos=high"
                 "feature": "--depend=[state:job_id]"
         """
-        self._feature = self.get('feature', self._feature)
-        return self._feature
+        return self.get('feature', None)
 
     @property
     def module(self):
@@ -151,8 +129,7 @@ def module(self):
         module : str
             Module to load on node
         """
-        self._module = self.get('module', self._module)
-        return self._module
+        return self.get('module', None)
 
     @property
     def conda_env(self):
@@ -164,8 +141,7 @@ def conda_env(self):
         conda_env : str
             Conda environment to activate
         """
-        self._conda_env = self.get('conda_env', self._conda_env)
-        return self._conda_env
+        return self.get('conda_env', None)
 
 
 class SlurmConfig(HPCConfig):
@@ -182,8 +158,7 @@ def __init__(self, config_dict):
 
         super().__init__(config_dict)
 
-        self._hpc_node_mem = None
-        self._hpc_walltime = 1
+        self._default_hpc_walltime = 1
 
     @property
     def memory(self):
@@ -194,8 +169,7 @@ def memory(self):
         _hpc_node_mem : int | None
             Requested node memory in GB.
         """
-        self._hpc_node_mem = self.get('memory', self._hpc_node_mem)
-        return self._hpc_node_mem
+        return self.get('memory', None)
 
     @property
     def walltime(self):
@@ -206,5 +180,4 @@ def walltime(self):
         _hpc_walltime : int
             Requested single node job time in hours.
         """
-        self._hpc_walltime = float(self.get('walltime', self._hpc_walltime))
-        return self._hpc_walltime
+        return float(self.get('walltime', self._default_hpc_walltime))
diff --git a/reV/config/supply_curve_configs.py b/reV/config/supply_curve_configs.py
index 5dfab7bba..cf9471411 100644
--- a/reV/config/supply_curve_configs.py
+++ b/reV/config/supply_curve_configs.py
@@ -33,17 +33,11 @@ def __init__(self, config):
         """
         super().__init__(config)
 
-        self._default_res_fpath = None
-        self._default_econ_fpath = None
-        self._default_res_class_dset = None
-        self._default_res_class_bins = None
         self._default_cf_dset = 'cf_mean-means'
         self._default_lcoe_dset = 'lcoe_fcr-means'
-        self._default_data_layers = None
         self._default_resolution = 64
         self._default_area_filter_kernel = 'queen'
-        self._default_min_area = None
-        self._default_excl_dict = None
+        self._default_points_per_worker = 10
 
         self._sc_agg_preflight()
 
@@ -104,7 +98,7 @@ def econ_fpath(self):
         """Get the econ data filepath. This is an optional argument only used
         if reV gen and econ outputs are being used from different files."""
 
-        fpath = self.get('econ_fpath', self._default_econ_fpath)
+        fpath = self.get('econ_fpath', None)
 
         if fpath == 'PIPELINE':
             target_modules = ['multi-year', 'collect', 'econ']
@@ -131,7 +125,7 @@ def econ_fpath(self):
     @property
     def res_fpath(self):
         """Get the resource data filepath"""
-        res_fpath = self.get('res_fpath', self._default_res_fpath)
+        res_fpath = self.get('res_fpath', None)
         if isinstance(res_fpath, str):
             if '{}' in res_fpath:
                 for year in range(1998, 2018):
@@ -150,17 +144,17 @@ def tm_dset(self):
     @property
     def excl_dict(self):
         """Get the exclusions dictionary"""
-        return self.get('excl_dict', self._default_excl_dict)
+        return self.get('excl_dict', None)
 
     @property
     def res_class_dset(self):
         """Get the resource class dataset"""
-        return self.get('res_class_dset', self._default_res_class_dset)
+        return self.get('res_class_dset', None)
 
     @property
     def res_class_bins(self):
         """Get the resource class bins"""
-        return self.get('res_class_bins', self._default_res_class_bins)
+        return self.get('res_class_bins', None)
 
     @property
     def cf_dset(self):
@@ -180,7 +174,7 @@ def h5_dsets(self):
     @property
     def data_layers(self):
         """Get the data layers dict"""
-        return self.get('data_layers', self._default_data_layers)
+        return self.get('data_layers', None)
 
     @property
     def resolution(self):
@@ -206,7 +200,7 @@ def area_filter_kernel(self):
     @property
     def min_area(self):
         """Get the minimum area filter minimum area in km2."""
-        return self.get('min_area', self._default_min_area)
+        return self.get('min_area', None)
 
     @property
     def friction_fpath(self):
@@ -235,6 +229,16 @@ def cap_cost_scale(self):
         """
         return self.get('cap_cost_scale', None)
 
+    @property
+    def max_workers(self):
+        """Get the number of workers to use during computation"""
+        return self.get('max_workers', None)
+
+    @property
+    def points_per_worker(self):
+        """Get the number of sc points to summarize on each worker"""
+        return self.get('max_workers', None)
+
 
 class SupplyCurveConfig(AnalysisConfig):
     """SC config."""
@@ -252,8 +256,6 @@ def __init__(self, config):
         """
         super().__init__(config)
 
-        self._default_sc_features = None
-        self._default_transmission_costs = None
         self._default_sort_on = 'total_lcoe'
         self._default_n_dirs = 2
 
@@ -297,12 +299,12 @@ def fixed_charge_rate(self):
     @property
     def sc_features(self):
         """Get the supply curve features input."""
-        return self.get('sc_features', self._default_sc_features)
+        return self.get('sc_features', None)
 
     @property
     def transmission_costs(self):
         """Get the transmission costs input."""
-        return self.get('transmission_costs', self._default_transmission_costs)
+        return self.get('transmission_costs', None)
 
     @property
     def simple(self):
diff --git a/reV/econ/cli_econ.py b/reV/econ/cli_econ.py
index c171686c0..dcd40222e 100644
--- a/reV/econ/cli_econ.py
+++ b/reV/econ/cli_econ.py
@@ -29,6 +29,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-econ', type=STR,
+              show_default=True,
               help='reV Economics job name, by default "reV-econ".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -195,30 +196,39 @@ def submit_from_config(ctx, name, cf_file, year, config, verbose):
 @click.option('--sam_files', '-sf', required=True, type=SAMFILES,
               help='SAM config files (required) (str, dict, or list).')
 @click.option('--cf_file', '-cf', default=None, type=click.Path(exists=True),
+              show_default=True,
               help='Single generation results file (str).')
 @click.option('--year', '-y', default=None, type=INT,
+              show_default=True,
               help='Year of generation results to analyze (if multiple years '
               'in cf_file). Default is None (use the only cf_mean dataset in '
               'cf_file).')
 @click.option('--points', '-p', default=slice(0, 100), type=PROJECTPOINTS,
+              show_default=True,
               help=('reV project points to analyze (slice, list, or file '
                     'string). Default is slice(0, 100)'))
 @click.option('--site_data', '-sd', default=None, type=click.Path(exists=True),
+              show_default=True,
               help='Site-specific data file for econ calculation. Input '
               'should be a filepath that points to a csv. Rows match sites, '
               'columns are input keys. Needs a "gid" column. Input as None '
               'if no site-specific data.')
 @click.option('--sites_per_worker', '-spw', default=None, type=INT,
+              show_default=True,
               help=('Number of sites to run in series on a single worker. '
                     'Default is the resource column chunk size.'))
 @click.option('--fout', '-fo', default='econ_output.h5', type=STR,
+              show_default=True,
               help=('Filename output specification (should be .h5). '
                     'Default is "econ_output.h5"'))
 @click.option('--dirout', '-do', default='./out/econ_out', type=STR,
+              show_default=True,
               help='Output directory specification. Default is ./out/econ_out')
 @click.option('--logdir', '-lo', default='./out/log_econ', type=STR,
+              show_default=True,
               help='Econ log file directory. Default is ./out/log_econ')
 @click.option('-or', '--output_request', type=STRLIST, default=['lcoe_fcr'],
+              show_default=True,
               help=('Requested output variable name(s). '
                     'Default is ["lcoe_fcr"].'))
 @click.option('-ap', '--append', is_flag=True,
@@ -248,12 +258,15 @@ def direct(ctx, sam_files, cf_file, year, points, site_data,
 
 @direct.command()
 @click.option('--max_workers', '-mw', type=INT, default=None,
+              show_default=True,
               help='Number of workers. Use 1 for serial, None for all cores.')
 @click.option('--timeout', '-to', type=INT, default=1800,
+              show_default=True,
               help='Number of seconds to wait for econ parallel run '
               'iterations to complete before returning zeros. '
               'Default is 1800 seconds.')
 @click.option('--points_range', '-pr', default=None, type=INTLIST,
+              show_default=True,
               help='Optional range list to run a subset of sites.')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
@@ -451,27 +464,34 @@ def get_node_cmd(name, sam_files, cf_file, year=None, site_data=None,
 
 
 @direct.command()
+@click.option('--alloc', '-a', required=True, type=STR,
+              help='SLURM allocation account name.')
 @click.option('--nodes', '-no', default=1, type=INT,
+              show_default=True,
               help='Number of SLURM nodes for econ job. Default is 1.')
-@click.option('--alloc', '-a', default='rev', type=STR,
-              help='SLURM allocation account name. Default is "rev".')
 @click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
               help='SLURM node memory request in GB. Default is None')
 @click.option('--walltime', '-wt', default=0.5, type=float,
+              show_default=True,
               help='SLURM walltime request in hours. Default is 0.5')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help=('Additional flags for SLURM job. Format is "--qos=high" '
                     'or "--depend=[state:job_id]". Default is None.'))
 @click.option('--module', '-mod', default=None, type=STR,
+              show_default=True,
               help='Module to load')
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
 @click.option('--stdout_path', '-sout', default='./out/stdout', type=STR,
+              show_default=True,
               help='Subprocess standard output path. Default is ./out/stdout')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
 @click.pass_context
-def slurm(ctx, nodes, alloc, memory, walltime, feature, module, conda_env,
+def slurm(ctx, alloc, nodes, memory, walltime, feature, module, conda_env,
           stdout_path, verbose):
     """Run econ on HPC via SLURM job submission."""
 
diff --git a/reV/generation/cli_gen.py b/reV/generation/cli_gen.py
index 5a9f927bb..3b8199051 100644
--- a/reV/generation/cli_gen.py
+++ b/reV/generation/cli_gen.py
@@ -30,6 +30,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-gen', type=STR,
+              show_default=True,
               help='reV generation job name, by default "reV-gen".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -237,44 +238,55 @@ def make_fout(name, year):
               help='Filepath to single resource file, multi-h5 directory, '
               'or /h5_dir/prefix*suffix.')
 @click.option('--points', '-p', default=None, type=PROJECTPOINTS,
+              show_default=True,
               help=('reV project points to analyze '
                     '(slice, list, or file string). '
                     'Default is slice(0, 100)'))
 @click.option('--lat_lon_fpath', '-llf', type=click.Path(exists=True),
-              default=None,
+              default=None, show_default=True,
               help=('File path to .csv or .json containing latitude, '
                     'longitude coordinates of interest'))
 @click.option('--lat_lon_coords', '--llc', nargs=2, type=float, default=None,
+              show_default=True,
               help='(lat, lon) coordinates of interest')
 @click.option('--regions', '-regs', type=STR, default=None,
+              show_default=True,
               help='File path to .json containing regions of interest')
 @click.option('--region', '-r', type=STR, default=None,
+              show_default=True,
               help='Region to extract')
 @click.option('--region_col', '-col', type=STR, default='state',
+              show_default=True,
               help='Meta column to search for region')
 @click.option('--sites_per_worker', '-spw', default=None, type=INT,
+              show_default=True,
               help=('Number of sites to run in series on a single worker. '
                     'Default is the resource column chunk size.'))
 @click.option('--fout', '-fo', default='gen_output.h5', type=STR,
+              show_default=True,
               help=('Filename output specification (should be .h5). '
                     'Default is "gen_output.h5"'))
 @click.option('--dirout', '-do', default='./out/gen_out', type=STR,
+              show_default=True,
               help='Output directory specification. Default is ./out/gen_out')
 @click.option('--logdir', '-lo', default='./out/log_gen', type=STR,
               help='Generation log file directory. Default is ./out/log_gen')
 @click.option('-or', '--output_request', type=STRLIST, default=['cf_mean'],
+              show_default=True,
               help=('List of requested output variable names. '
                     'Default is ["cf_mean"].'))
 @click.option('--site_data', '-sd', default=None, type=click.Path(exists=True),
+              show_default=True,
               help='Site-specific data file for gen calculation. Input '
               'should be a filepath that points to a csv. Rows match sites, '
               'columns are input keys. Needs a "gid" column. Input as None '
               'if no site-specific data.')
 @click.option('-mem', '--mem_util_lim', type=float, default=0.4,
+              show_default=True,
               help='Fractional node memory utilization limit. Default is 0.4 '
               'to account for numpy memory spikes and memory bloat.')
 @click.option('-curt', '--curtailment', type=click.Path(exists=True),
-              default=None,
+              default=None, show_default=True,
               help=('JSON file with curtailment inputs parameters. '
                     'Default is None (no curtailment).'))
 @click.option('-v', '--verbose', is_flag=True,
@@ -370,12 +382,15 @@ def _parse_points(ctx):
 
 @direct.command()
 @click.option('--max_workers', '-mw', type=INT, default=None,
+              show_default=True,
               help='Number of workers. Use 1 for serial, None for all cores.')
 @click.option('--timeout', '-to', type=INT, default=1800,
+              show_default=True,
               help='Number of seconds to wait for parallel generation run '
               'iterations to complete before returning zeros. '
               'Default is 1800 seconds.')
 @click.option('--points_range', '-pr', default=None, type=INTLIST,
+              show_default=True,
               help='Optional range list to run a subset of sites.')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
@@ -634,27 +649,34 @@ def get_node_cmd(name, tech, sam_files, res_file, points=slice(0, 100),
 
 
 @direct.command()
+@click.option('--alloc', '-a', required=True, type=STR,
+              help='SLURM allocation account name.')
 @click.option('--nodes', '-no', default=1, type=INT,
+              show_default=True,
               help='Number of SLURM nodes for gen job. Default is 1.')
-@click.option('--alloc', '-a', default='rev', type=STR,
-              help='SLURM allocation account name. Default is "rev".')
 @click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
               help='Single node memory request in GB. Default is None')
 @click.option('--walltime', '-wt', default=1.0, type=float,
+              show_default=True,
               help='SLURM walltime request in hours. Default is 1.0')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help=('Additional flags for SLURM job. Format is "--qos=high" '
                     'or "--depend=[state:job_id]". Default is None.'))
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
 @click.option('--module', '-mod', default=None, type=STR,
+              show_default=True,
               help='Module to load')
 @click.option('--stdout_path', '-sout', default='./out/stdout', type=STR,
+              show_default=True,
               help='Subprocess standard output path. Default is ./out/stdout')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
 @click.pass_context
-def slurm(ctx, nodes, alloc, memory, walltime, feature, conda_env, module,
+def slurm(ctx, alloc, nodes, memory, walltime, feature, conda_env, module,
           stdout_path, verbose):
     """Run generation on HPC via SLURM job submission."""
 
diff --git a/reV/handlers/cli_collect.py b/reV/handlers/cli_collect.py
index d70f6bbe0..1b56d6eb3 100644
--- a/reV/handlers/cli_collect.py
+++ b/reV/handlers/cli_collect.py
@@ -24,6 +24,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV_collect', type=str,
+              show_default=True,
               help='Collection job name. Default is "reV_collect".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -134,14 +135,16 @@ def from_config(ctx, config_file, verbose):
               help='H5 file to be collected into.')
 @click.option('--h5_dir', '-d', required=True, type=click.Path(exists=True),
               help='Directory containing h5 files to collect.')
-@click.option('--project_points', '-pp', type=STR,
+@click.option('--project_points', '-pp', type=STR, required=True,
               help='Project points file representing the full '
               'collection scope.')
 @click.option('--dsets', '-ds', required=True, type=STRLIST,
               help='Dataset names to be collected.')
 @click.option('--file_prefix', '-fp', type=STR, default=None,
+              show_default=True,
               help='File prefix found in the h5 file names to be collected.')
 @click.option('--log_dir', '-ld', type=STR, default='./logs',
+              show_default=True,
               help='Directory to put log files.')
 @click.option('-p', '--purge_chunks', is_flag=True,
               help='Flag to delete chunked files after collection.')
@@ -276,20 +279,25 @@ def get_node_cmd(name, h5_file, h5_dir, project_points, dsets,
 
 
 @direct.command()
-@click.option('--alloc', '-a', default='rev', type=str,
-              help='SLURM allocation account name. Default is "rev".')
+@click.option('--alloc', '-a', required=True, type=STR,
+              help='SLURM allocation account name.')
 @click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
               help='SLURM node memory request in GB. Default is None')
 @click.option('--walltime', '-wt', default=1.0, type=float,
+              show_default=True,
               help='SLURM walltime request in hours. Default is 1.0')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help=('Additional flags for SLURM job. Format is "--qos=high" '
                     'or "--depend=[state:job_id]". Default is None.'))
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
-@click.option('--module', '-mod', default=None, type=STR,
+@click.option('--module', '-mod', default=None, type=STR, show_default=True,
               help='Module to load')
 @click.option('--stdout_path', '-sout', default='./out/stdout', type=str,
+              show_default=True,
               help='Subprocess standard output path. Default is ./out/stdout')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
diff --git a/reV/handlers/cli_multi_year.py b/reV/handlers/cli_multi_year.py
index c7a3c975b..5e5fc5c67 100644
--- a/reV/handlers/cli_multi_year.py
+++ b/reV/handlers/cli_multi_year.py
@@ -24,6 +24,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV_multi-year', type=str,
+              show_default=True,
               help='Multi-year job name. Default is "reV_multi-year".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -129,15 +130,17 @@ def direct(ctx, my_file, verbose):
 
 
 @direct.command()
+@click.option('--source_files', '-sf', required=True, type=PATHLIST,
+              help='List of files to collect from.')
 @click.option('--group', '-g', type=STR, default=None,
+              show_default=True,
               help='Group to collect into. Useful for collecting multiple '
               'scenarios into a single file.')
-@click.option('--source_files', '-sf', required=True, type=PATHLIST,
-              help='List of files to collect from.')
 @click.option('--dsets', '-ds', required=True, type=STRLIST,
               help='Dataset names to be collected. If means, multi-year '
               'means will be computed.')
 @click.option('--pass_through_dsets', '-pt', default=None, type=STRLIST,
+              show_default=True,
               help='Optional list of datasets that are identical in the '
               'multi-year files (e.g. input datasets that dont vary '
               'from year to year) that should be copied to the output '
@@ -146,7 +149,7 @@ def direct(ctx, my_file, verbose):
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
 @click.pass_context
-def multi_year(ctx, group, source_files, dsets, pass_through_dsets, verbose):
+def multi_year(ctx, source_files, group, dsets, pass_through_dsets, verbose):
     """Run multi year collection and means on local worker."""
 
     name = ctx.obj['NAME']
@@ -299,30 +302,35 @@ def get_slurm_cmd(name, my_file, group_params, verbose=False):
 
 
 @direct.command()
-@click.option('--alloc', '-a', default='rev', type=str,
-              help='SLURM allocation account name. Default is "rev".')
+@click.option('--group_params', '-gp', required=True, type=str,
+              help='Stringified dictionary of collection groups and their '
+              'parameters, e.g.: '
+              '{group1: {group: null, source_files: [], dsets: []}}')
+@click.option('--alloc', '-a', required=True, type=STR,
+              help='SLURM allocation account name.')
 @click.option('--walltime', '-wt', default=4.0, type=float,
+              show_default=True,
               help='SLURM walltime request in hours. Default is 1.0')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help='Additional flags for SLURM job. Format is "--qos=high" '
               'or "--depend=[state:job_id]". Default is None.')
 @click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
               help='SLURM node memory request in GB. Default is None')
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
-@click.option('--module', '-mod', default=None, type=STR,
+@click.option('--module', '-mod', default=None, type=STR, show_default=True,
               help='Module to load')
 @click.option('--stdout_path', '-sout', default='./out/stdout', type=str,
+              show_default=True,
               help='Subprocess standard output path. Default is ./out/stdout')
-@click.option('--group_params', '-gp', required=True, type=str,
-              help='Stringified dictionary of collection groups and their '
-              'parameters, e.g.: '
-              '{group1: {group: null, source_files: [], dsets: []}}')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
 @click.pass_context
-def multi_year_slurm(ctx, alloc, walltime, feature, memory, conda_env,
-                     module, stdout_path, group_params, verbose):
+def multi_year_slurm(ctx, group_params, alloc, walltime, feature, memory,
+                     conda_env, module, stdout_path, verbose):
     """
     Run multi year collection and means on HPC via SLURM job submission.
     """
diff --git a/reV/pipeline/cli_pipeline.py b/reV/pipeline/cli_pipeline.py
index 0edab6fb6..ac1dc639d 100644
--- a/reV/pipeline/cli_pipeline.py
+++ b/reV/pipeline/cli_pipeline.py
@@ -16,6 +16,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-pipeline', type=STR,
+              show_default=True,
               help='reV pipeline name, by default "reV-pipeline".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
diff --git a/reV/qa_qc/cli_qa_qc.py b/reV/qa_qc/cli_qa_qc.py
index 2607c8a62..322257441 100644
--- a/reV/qa_qc/cli_qa_qc.py
+++ b/reV/qa_qc/cli_qa_qc.py
@@ -26,6 +26,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-QA_QC', type=STR,
+              show_default=True,
               help='reV QA/QC name, by default "reV-QA/QC".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -57,6 +58,7 @@ def valid_config_keys():
 @click.option('--out_dir', '-o', type=click.Path(), required=True,
               help="Directory path to save summary tables and plots too")
 @click.option('--log_file', '-log', type=click.Path(), default=None,
+              show_default=True,
               help='File to log to, by default None')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
@@ -78,13 +80,17 @@ def summarize(ctx, out_dir, log_file, verbose):
 @click.option('--h5_file', '-h5', type=click.Path(exists=True), required=True,
               help='Path to .h5 file to summarize')
 @click.option('--dsets', '-ds', type=STRLIST, default=None,
+              show_default=True,
               help='Datasets to summarize, by default None')
 @click.option('--group', '-grp', type=STR, default=None,
+              show_default=True,
               help=('Group within h5_file to summarize datasets for, by '
                     'default None'))
 @click.option('--process_size', '-ps', type=INT, default=None,
+              show_default=True,
               help='Number of sites to process at a time, by default None')
 @click.option('--max_workers', '-w', type=INT, default=None,
+              show_default=True,
               help=('Number of workers to use when summarizing 2D datasets,'
                     ' by default None'))
 @click.pass_context
@@ -99,9 +105,11 @@ def h5(ctx, h5_file, dsets, group, process_size, max_workers):
 @summarize.command()
 @click.option('--plot_type', '-plt', default='plotly',
               type=click.Choice(['plot', 'plotly'], case_sensitive=False),
+              show_default=True,
               help=(" plot_type of plot to create 'plot' or 'plotly', by "
                     "default 'plot'"))
 @click.option('--cmap', '-cmap', type=str, default='viridis',
+              show_default=True,
               help="Colormap name, by default 'viridis'")
 @click.pass_context
 def scatter_plots(ctx, plot_type, cmap):
@@ -115,6 +123,7 @@ def scatter_plots(ctx, plot_type, cmap):
 @click.option('--sc_table', '-sct', type=click.Path(exists=True),
               required=True, help='Path to .csv containing Supply Curve table')
 @click.option('--columns', '-cols', type=STRLIST, default=None,
+              show_default=True,
               help=('Column(s) to summarize, if None summarize all numeric '
                     'columns, by default None'))
 @click.pass_context
@@ -128,10 +137,12 @@ def supply_curve_table(ctx, sc_table, columns):
 
 @summarize.command()
 @click.option('--sc_table', '-sct', type=click.Path(exists=True), default=None,
+              show_default=True,
               help=("Path to .csv containing Supply Curve table, can be "
                     "supplied in 'supply-curve-table'"))
 @click.option('--plot_type', '-plt', default='plotly',
               type=click.Choice(['plot', 'plotly'], case_sensitive=False),
+              show_default=True,
               help=(" plot_type of plot to create 'plot' or 'plotly', by "
                     "default 'plot'"))
 @click.option('--lcoe', '-lcoe', type=STR, default='mean_lcoe',
@@ -154,11 +165,14 @@ def supply_curve_plot(ctx, sc_table, plot_type, lcoe):
               help='Path to .npy file containing final exclusions mask')
 @click.option('--plot_type', '-plt', default='plotly',
               type=click.Choice(['plot', 'plotly'], case_sensitive=False),
+              show_default=True,
               help=(" plot_type of plot to create 'plot' or 'plotly', by "
                     "default 'plot'"))
 @click.option('--cmap', '-cmap', type=str, default='viridis',
+              show_default=True,
               help="Colormap name, by default 'viridis'")
 @click.option('--plot_step', '-step', type=int, default=100,
+              show_default=True,
               help="Step between points to plot")
 @click.pass_context
 def exclusions_mask(ctx, excl_mask, plot_type, cmap, plot_step):
@@ -179,22 +193,29 @@ def exclusions_mask(ctx, excl_mask, plot_type, cmap, plot_step):
 @click.option('--sub_dir', '-sd', type=STR, required=True,
               help="Sub directory to save summary tables and plots too")
 @click.option('--dsets', '-ds', type=STRLIST, default=None,
+              show_default=True,
               help='Datasets to summarize, by default None')
 @click.option('--group', '-grp', type=STR, default=None,
+              show_default=True,
               help=('Group within h5_file to summarize datasets for, by '
                     'default None'))
 @click.option('--process_size', '-ps', type=INT, default=None,
+              show_default=True,
               help='Number of sites to process at a time, by default None')
 @click.option('--max_workers', '-w', type=INT, default=None,
+              show_default=True,
               help=('Number of workers to use when summarizing 2D datasets,'
                     ' by default None'))
 @click.option('--plot_type', '-plt', default='plotly',
               type=click.Choice(['plot', 'plotly'], case_sensitive=False),
+              show_default=True,
               help=(" plot_type of plot to create 'plot' or 'plotly', by "
                     "default 'plot'"))
 @click.option('--cmap', '-cmap', type=str, default='viridis',
+              show_default=True,
               help="Colormap name, by default 'viridis'")
 @click.option('--log_file', '-log', type=click.Path(), default=None,
+              show_default=True,
               help='File to log to, by default None')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
@@ -237,17 +258,22 @@ def reV_h5(ctx, h5_file, out_dir, sub_dir, dsets, group, process_size,
 @click.option('--sub_dir', '-sd', type=STR, required=True,
               help="Sub directory to save summary tables and plots too")
 @click.option('--columns', '-cols', type=STRLIST, default=None,
+              show_default=True,
               help=('Column(s) to summarize, if None summarize all numeric '
                     'columns, by default None'))
 @click.option('--plot_type', '-plt', default='plotly',
               type=click.Choice(['plot', 'plotly'], case_sensitive=False),
+              show_default=True,
               help=(" plot_type of plot to create 'plot' or 'plotly', by "
                     "default 'plot'"))
 @click.option('--cmap', '-cmap', type=str, default='viridis',
+              show_default=True,
               help="Colormap name, by default 'viridis'")
 @click.option('--lcoe', '-lcoe', type=STR, default='mean_lcoe',
+              show_default=True,
               help="LCOE column label to plot, by default 'mean_lcoe'")
 @click.option('--log_file', '-log', type=click.Path(), default=None,
+              show_default=True,
               help='File to log to, by default None')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
@@ -290,25 +316,32 @@ def supply_curve(ctx, sc_table, out_dir, sub_dir, columns, plot_type, cmap,
 @click.option('--sub_dir', '-sd', type=STR, required=True,
               help="Sub directory to save summary tables and plots too")
 @click.option('--excl_dict', '-exd', type=STR, default=None,
+              show_default=True,
               help='String representation of a dictionary of exclusions '
               'LayerMask arguments {layer: {kwarg: value}} where layer is a '
               'dataset in excl_fpath and kwarg can be "inclusion_range", '
               '"exclude_values", "include_values", "use_as_weights", '
               '"exclude_nodata", and/or "weight".')
 @click.option('--area_filter_kernel', '-afk', type=STR, default='queen',
+              show_default=True,
               help='Contiguous area filter kernel name ("queen", "rook").')
 @click.option('--min_area', '-ma', type=FLOAT, default=None,
+              show_default=True,
               help='Contiguous area filter minimum area, default is None '
               '(No minimum area filter).')
 @click.option('--plot_type', '-plt', default='plotly',
               type=click.Choice(['plot', 'plotly'], case_sensitive=False),
+              show_default=True,
               help=(" plot_type of plot to create 'plot' or 'plotly', by "
                     "default 'plot'"))
 @click.option('--cmap', '-cmap', type=str, default='viridis',
+              show_default=True,
               help="Colormap name, by default 'viridis'")
 @click.option('--plot_step', '-step', type=int, default=100,
+              show_default=True,
               help="Step between points to plot")
 @click.option('--log_file', '-log', type=click.Path(), default=None,
+              show_default=True,
               help='File to log to, by default None')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging.')
diff --git a/reV/rep_profiles/cli_rep_profiles.py b/reV/rep_profiles/cli_rep_profiles.py
index 4c8549066..ff981ab90 100644
--- a/reV/rep_profiles/cli_rep_profiles.py
+++ b/reV/rep_profiles/cli_rep_profiles.py
@@ -24,6 +24,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-rep_profiles', type=STR,
+              show_default=True,
               help='Job name. Default is "reV-rep_profiles".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -157,27 +158,36 @@ def from_config(ctx, config_file, verbose):
 @click.option('--rev_summary', '-r', type=click.Path(exists=True),
               required=True, help='Filepath to reV SC summary (agg) file.')
 @click.option('--reg_cols', '-rc', type=STRLIST, default=None,
+              show_default=True,
               help='List of column rev summary column labels to define '
               'regions to get rep profiles for.')
 @click.option('--cf_dset', '-cf', type=str, default='cf_profile',
+              show_default=True,
               help='Capacity factor dataset in gen_fpath to get profiles from')
 @click.option('--rep_method', '-rm', type=STR, default='meanoid',
+              show_default=True,
               help='String identifier for representative method '
               '(e.g. meanoid, medianoid).')
 @click.option('--err_method', '-em', type=STR, default='rmse',
+              show_default=True,
               help='String identifier for error method '
               '(e.g. rmse, mae, mbe).')
 @click.option('--weight', '-w', type=STR, default='gid_counts',
+              show_default=True,
               help='The supply curve column to use for a weighted average in '
               'the representative profile meanoid algorithm. '
               'Default weighting factor is "gid_counts".')
 @click.option('--n_profiles', '-np', type=INT, default=1,
+              show_default=True,
               help='Number of representative profiles to save.')
 @click.option('--out_dir', '-od', type=STR, default='./',
+              show_default=True,
               help='Directory to save rep profile output h5.')
 @click.option('--log_dir', '-ld', type=STR, default='./logs/',
+              show_default=True,
               help='Directory to save rep profile logs.')
 @click.option('--max_workers', '-mw', type=INT, default=None,
+              show_default=True,
               help='Number of parallel workers. 1 will run in serial. '
               'None will use all available.')
 @click.option('-agg', '--aggregate_profiles', is_flag=True,
@@ -272,18 +282,24 @@ def get_node_cmd(name, gen_fpath, rev_summary, reg_cols, cf_dset, rep_method,
 @click.option('--alloc', '-a', required=True, type=STR,
               help='SLURM allocation account name.')
 @click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
               help='SLURM node memory request in GB. Default is None')
 @click.option('--walltime', '-wt', default=1.0, type=float,
+              show_default=True,
               help='SLURM walltime request in hours for single year '
               'rep_profiles run. Default is 1.0')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help=('Additional flags for SLURM job. Format is "--qos=high" '
                     'or "--depend=[state:job_id]". Default is None.'))
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
 @click.option('--module', '-mod', default=None, type=STR,
+              show_default=True,
               help='Module to load')
 @click.option('--stdout_path', '-sout', default=None, type=STR,
+              show_default=True,
               help='Subprocess standard output path. Default is in out_dir.')
 @click.pass_context
 def slurm(ctx, alloc, memory, walltime, feature, conda_env, module,
diff --git a/reV/supply_curve/cli_sc_aggregation.py b/reV/supply_curve/cli_sc_aggregation.py
index 6cf05abd2..0f24277e5 100644
--- a/reV/supply_curve/cli_sc_aggregation.py
+++ b/reV/supply_curve/cli_sc_aggregation.py
@@ -27,6 +27,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-agg', type=STR,
+              show_default=True,
               help='Job name. Default is "reV-agg".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -121,6 +122,8 @@ def from_config(ctx, config_file, verbose):
                        friction_dset=config.friction_dset,
                        cap_cost_scale=config.cap_cost_scale,
                        out_dir=config.dirout,
+                       max_workers=config.max_workers,
+                       points_per_worker=config.points_per_worker,
                        log_dir=config.logdir,
                        verbose=verbose)
 
@@ -149,6 +152,8 @@ def from_config(ctx, config_file, verbose):
         ctx.obj['FRICTION_DSET'] = config.friction_dset
         ctx.obj['CAP_COST_SCALE'] = config.cap_cost_scale
         ctx.obj['OUT_DIR'] = config.dirout
+        ctx.obj['MAX_WORKERS'] = config.max_workers
+        ctx.obj['POINTS_PER_WORKER'] = config.points_per_worker
         ctx.obj['LOG_DIR'] = config.logdir
         ctx.obj['VERBOSE'] = verbose
 
@@ -166,16 +171,19 @@ def from_config(ctx, config_file, verbose):
               help='Exclusions file (.h5).')
 @click.option('--gen_fpath', '-gf', type=STR, required=True,
               help='reV generation/econ output file.')
+@click.option('--tm_dset', '-tm', type=STR, required=True,
+              help='Dataset in the exclusions file that maps the exclusions '
+              'to the resource being analyzed.')
 @click.option('--econ_fpath', '-ef', type=STR, default=None,
+              show_default=True,
               help='reV econ output file (optional argument that can be '
               'included if reV gen and econ data are being used from '
               'different files.')
 @click.option('--res_fpath', '-rf', type=STR, default=None,
+              show_default=True,
               help='Resource file, required if techmap dset is to be created.')
-@click.option('--tm_dset', '-tm', type=STR, required=True,
-              help='Dataset in the exclusions file that maps the exclusions '
-              'to the resource being analyzed.')
 @click.option('--excl_dict', '-exd', type=STR, default=None,
+              show_default=True,
               help=('String representation of a dictionary of exclusion '
                     'LayerMask arguments {layer: {kwarg: value}} where layer '
                     'is a dataset in excl_fpath and kwarg can be '
@@ -186,29 +194,38 @@ def from_config(ctx, config_file, verbose):
               help=('run a pre-flight check on each exclusion layer to '
                     'ensure they contain un-excluded values'))
 @click.option('--res_class_dset', '-cd', type=STR, default=None,
+              show_default=True,
               help='Dataset to determine the resource class '
               '(must be in gen_fpath).')
 @click.option('--res_class_bins', '-cb', type=FLOATLIST, default=None,
+              show_default=True,
               help='List of resource class bin edges.')
 @click.option('--cf_dset', '-cf', type=STR, default='cf_mean-means',
+              show_default=True,
               help='Dataset containing capacity factor values to aggregate.')
 @click.option('--lcoe_dset', '-lc', type=STR, default='lcoe_fcr-means',
+              show_default=True,
               help='Dataset containing lcoe values to aggregate.')
 @click.option('--h5_dsets', '-hd', type=STRLIST, default=None,
+              show_default=True,
               help='Additional datasets from the source gen/econ h5 files to '
               'aggregate.')
 @click.option('--data_layers', '-d', type=STR, default=None,
+              show_default=True,
               help='String representation of a dictionary of additional data '
               'layers to include in the aggregation e.g. '
               '{"slope": {"dset": "srtm_slope", "method": "mean"}}')
 @click.option('--resolution', '-r', type=INT, default=64,
+              show_default=True,
               help='Number of exclusion points along a squares edge to '
               'include in an aggregated supply curve point.')
 @click.option('--excl_area', '-ea', type=FLOAT, default=0.0081,
+              show_default=True,
               help='Area of an exclusion pixel in km2. None will try to '
               'infer the area from the profile transform attribute in '
               'excl_fpath.')
 @click.option('--power_density', '-pd', type=STRFLOAT, default=None,
+              show_default=True,
               help='Power density in MW/km2 or filepath to variable power '
               'density csv file. None will attempt to infer a constant '
               'power density from the generation meta data technology. '
@@ -217,19 +234,24 @@ def from_config(ctx, config_file, verbose):
               '(typically wtk or nsrdb gid). and the power_density column '
               'is in MW/km2.')
 @click.option('--area_filter_kernel', '-afk', type=STR, default='queen',
+              show_default=True,
               help='Contiguous area filter kernel name ("queen", "rook").')
 @click.option('--min_area', '-ma', type=FLOAT, default=None,
+              show_default=True,
               help='Contiguous area filter minimum area, default is None '
               '(No minimum area filter).')
 @click.option('--friction_fpath', '-ff', type=STR, default=None,
+              show_default=True,
               help='Optional h5 filepath to friction surface data. '
               'Must match the exclusion shape/resolution and be '
               'paired with the --friction_dset input arg. The friction data '
               'creates a "mean_lcoe_friction" output which is the nominal '
               'LCOE multiplied by the friction data.')
 @click.option('--friction_dset', '-fd', type=STR, default=None,
+              show_default=True,
               help='Optional friction surface dataset in friction_fpath.')
 @click.option('--cap_cost_scale', '-cs', type=STR, default=None,
+              show_default=True,
               help='Optional LCOE scaling equation to implement "economies '
               'of scale". Equations must be in python string format and '
               'return a scalar value to multiply the capital cost by. '
@@ -237,17 +259,27 @@ def from_config(ctx, config_file, verbose):
               'of the columns in the reV supply curve aggregation table. '
               'This will not affect offshore wind LCOE.')
 @click.option('--out_dir', '-o', type=STR, default='./',
+              show_default=True,
               help='Directory to save aggregation summary output.')
+@click.option('--max_workers', '-mw', type=INT, default=None,
+              show_default=True,
+              help=("Number of cores to run summary on. None is all "
+                    "available cpus"))
+@click.option('--points_per_worker', '-ppw', type=int, default=10,
+              show_default=True,
+              help="Number of sc_points to summarize on each worker")
 @click.option('--log_dir', '-ld', type=STR, default='./logs/',
+              show_default=True,
               help='Directory to save aggregation logs.')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
 @click.pass_context
-def direct(ctx, excl_fpath, gen_fpath, econ_fpath, res_fpath, tm_dset,
+def direct(ctx, excl_fpath, gen_fpath, tm_dset, econ_fpath, res_fpath,
            excl_dict, check_excl_layers, res_class_dset, res_class_bins,
            cf_dset, lcoe_dset, h5_dsets, data_layers, resolution, excl_area,
            power_density, area_filter_kernel, min_area, friction_fpath,
-           friction_dset, cap_cost_scale, out_dir, log_dir, verbose):
+           friction_dset, cap_cost_scale, out_dir, max_workers,
+           points_per_worker, log_dir, verbose):
     """reV Supply Curve Aggregation Summary CLI."""
 
     name = ctx.obj['NAME']
@@ -273,6 +305,8 @@ def direct(ctx, excl_fpath, gen_fpath, econ_fpath, res_fpath, tm_dset,
     ctx.obj['FRICTION_DSET'] = friction_dset
     ctx.obj['CAP_COST_SCALE'] = cap_cost_scale
     ctx.obj['OUT_DIR'] = out_dir
+    ctx.obj['MAX_WORKERS'] = max_workers
+    ctx.obj['POINTS_PER_WORKER'] = points_per_worker
     ctx.obj['LOG_DIR'] = log_dir
     ctx.obj['VERBOSE'] = verbose
 
@@ -316,7 +350,9 @@ def direct(ctx, excl_fpath, gen_fpath, econ_fpath, res_fpath, tm_dset,
                 friction_fpath=friction_fpath,
                 friction_dset=friction_dset,
                 check_excl_layers=check_excl_layers,
-                cap_cost_scale=cap_cost_scale)
+                cap_cost_scale=cap_cost_scale,
+                max_workers=max_workers,
+                points_per_worker=points_per_worker)
 
         except Exception as e:
             logger.exception('Supply curve Aggregation failed. Received the '
@@ -354,7 +390,7 @@ def get_node_cmd(name, excl_fpath, gen_fpath, econ_fpath, res_fpath, tm_dset,
                  cf_dset, lcoe_dset, h5_dsets, data_layers, resolution,
                  excl_area, power_density, area_filter_kernel, min_area,
                  friction_fpath, friction_dset, cap_cost_scale,
-                 out_dir, log_dir, verbose):
+                 out_dir, max_workers, points_per_worker, log_dir, verbose):
     """Get a CLI call command for the SC aggregation cli."""
 
     args = ['-exf {}'.format(SLURM.s(excl_fpath)),
@@ -378,6 +414,8 @@ def get_node_cmd(name, excl_fpath, gen_fpath, econ_fpath, res_fpath, tm_dset,
             '-fd {}'.format(SLURM.s(friction_dset)),
             '-cs {}'.format(SLURM.s(cap_cost_scale)),
             '-o {}'.format(SLURM.s(out_dir)),
+            '-mw {}'.format(SLURM.s(max_workers)),
+            '-ppw {}'.format(SLURM.s(points_per_worker)),
             '-ld {}'.format(SLURM.s(log_dir)),
             ]
 
@@ -398,17 +436,23 @@ def get_node_cmd(name, excl_fpath, gen_fpath, econ_fpath, res_fpath, tm_dset,
 @click.option('--alloc', '-a', required=True, type=STR,
               help='SLURM allocation account name.')
 @click.option('--walltime', '-wt', default=1.0, type=float,
+              show_default=True,
               help='SLURM walltime request in hours. Default is 1.0')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help=('Additional flags for SLURM job. Format is "--qos=high" '
                     'or "--depend=[state:job_id]". Default is None.'))
 @click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
               help='SLURM node memory request in GB. Default is None')
 @click.option('--module', '-mod', default=None, type=STR,
+              show_default=True,
               help='Module to load')
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
 @click.option('--stdout_path', '-sout', default=None, type=STR,
+              show_default=True,
               help='Subprocess standard output path. Default is in out_dir.')
 @click.pass_context
 def slurm(ctx, alloc, walltime, feature, memory, module, conda_env,
@@ -437,6 +481,8 @@ def slurm(ctx, alloc, walltime, feature, memory, module, conda_env,
     friction_dset = ctx.obj['FRICTION_DSET']
     cap_cost_scale = ctx.obj['CAP_COST_SCALE']
     out_dir = ctx.obj['OUT_DIR']
+    max_workers = ctx.obj['MAX_WORKERS']
+    points_per_worker = ctx.obj['POINTS_PER_WORKER']
     log_dir = ctx.obj['LOG_DIR']
     verbose = ctx.obj['VERBOSE']
 
@@ -450,7 +496,8 @@ def slurm(ctx, alloc, walltime, feature, memory, module, conda_env,
                        resolution, excl_area,
                        power_density, area_filter_kernel, min_area,
                        friction_fpath, friction_dset, cap_cost_scale,
-                       out_dir, log_dir, verbose)
+                       out_dir, max_workers, points_per_worker, log_dir,
+                       verbose)
 
     slurm_manager = ctx.obj.get('SLURM_MANAGER', None)
     if slurm_manager is None:
diff --git a/reV/supply_curve/cli_supply_curve.py b/reV/supply_curve/cli_supply_curve.py
index fdd43a461..4514f38fb 100644
--- a/reV/supply_curve/cli_supply_curve.py
+++ b/reV/supply_curve/cli_supply_curve.py
@@ -24,6 +24,7 @@
 
 @click.group()
 @click.option('--name', '-n', default='reV-sc', type=STR,
+              show_default=True,
               help='Job name. Default is "reV-sc".')
 @click.option('-v', '--verbose', is_flag=True,
               help='Flag to turn on debug logging. Default is not verbose.')
@@ -149,21 +150,27 @@ def from_config(ctx, config_file, verbose):
 @click.option('--fixed_charge_rate', '-fcr', type=float, required=True,
               help='Fixed charge rate used to compute LCOT')
 @click.option('--sc_features', '-scf', type=STR, default=None,
+              show_default=True,
               help='Table containing additional supply curve features '
                    '(.csv or .json)')
 @click.option('--transmission_costs', '-tc', type=STR, default=None,
+              show_default=True,
               help='Table or serialized dict of transmission cost inputs.')
 @click.option('--sort_on', '-so', type=str, default='total_lcoe',
+              show_default=True,
               help='The supply curve table column label to sort on. '
               'This determines the ordering of the SC buildout algorithm.')
 @click.option('--offshore_trans_table', '-ott', type=STR, default=None,
+              show_default=True,
               help=('Path to offshore transmission table, if None offshore sc '
                     'points will not be included, by default None'))
 @click.option('--wind_dirs', '-wd', type=click.Path(exists=True), default=None,
+              show_default=True,
               help=('Path to .csv containing reVX.wind_dirs.wind_dirs.WindDirs'
                     ' output with the neighboring supply curve point gids and '
                     'power-rose value at each cardinal direction'))
 @click.option('--n_dirs', '-dirs', type=int, default=2,
+              show_default=True,
               help='Number of prominent directions to use')
 @click.option('--downwind', '-dw', is_flag=True,
               help=('Flag to remove downwind neighbors as well as upwind '
@@ -172,11 +179,14 @@ def from_config(ctx, config_file, verbose):
               help=('Flag as to whether offshore farms should be included '
                     'during CompetitiveWindFarms, by default False'))
 @click.option('--max_workers', '-mw', type=INT, default=None,
+              show_default=True,
               help=('Number of workers to use to compute lcot, if > 1 run in '
                     'parallel. None uses all available cpus.'))
 @click.option('--out_dir', '-o', type=STR, default='./',
+              show_default=True,
               help='Directory to save aggregation summary output.')
 @click.option('--log_dir', '-ld', type=STR, default='./logs/',
+              show_default=True,
               help='Directory to save aggregation logs.')
 @click.option('-s', '--simple', is_flag=True,
               help='Flag to turn on simple supply curve calculation.')
@@ -316,18 +326,24 @@ def get_node_cmd(name, sc_points, trans_table, fixed_charge_rate, sc_features,
 @direct.command()
 @click.option('--alloc', '-a', required=True, type=STR,
               help='SLURM allocation account name.')
-@click.option('--memory', '-mem', default=None, type=INT, help='SLURM node '
-              'memory request in GB. Default is None')
+@click.option('--memory', '-mem', default=None, type=INT,
+              show_default=True,
+              help='SLURM node memory request in GB. Default is None')
 @click.option('--walltime', '-wt', default=1.0, type=float,
+              show_default=True,
               help='SLURM walltime request in hours. Default is 1.0')
 @click.option('--feature', '-l', default=None, type=STR,
+              show_default=True,
               help=('Additional flags for SLURM job. Format is "--qos=high" '
                     'or "--depend=[state:job_id]". Default is None.'))
 @click.option('--module', '-mod', default=None, type=STR,
+              show_default=True,
               help='Module to load')
 @click.option('--conda_env', '-env', default=None, type=STR,
+              show_default=True,
               help='Conda env to activate')
 @click.option('--stdout_path', '-sout', default=None, type=STR,
+              show_default=True,
               help='Subprocess standard output path. Default is in out_dir.')
 @click.pass_context
 def slurm(ctx, alloc, memory, walltime, feature, module, conda_env,
diff --git a/reV/supply_curve/sc_aggregation.py b/reV/supply_curve/sc_aggregation.py
index 372d5acc2..b4069a99d 100644
--- a/reV/supply_curve/sc_aggregation.py
+++ b/reV/supply_curve/sc_aggregation.py
@@ -1136,7 +1136,8 @@ def run_serial(cls, excl_fpath, gen_fpath, tm_dset, gen_index,
 
         return summary
 
-    def run_parallel(self, args=None, excl_area=0.0081, max_workers=None):
+    def run_parallel(self, args=None, excl_area=0.0081, max_workers=None,
+                     points_per_worker=10):
         """Get the supply curve points aggregation summary using futures.
 
         Parameters
@@ -1144,20 +1145,21 @@ def run_parallel(self, args=None, excl_area=0.0081, max_workers=None):
         args : tuple | list | None
             List of summary arguments to include. None defaults to all
             available args defined in the class attr.
-        excl_area : float
-            Area of an exclusion cell (square km).
-        max_workers : int | None
+        excl_area : float, optional
+            Area of an exclusion cell (square km), by default 0.0081
+        max_workers : int | None, optional
             Number of cores to run summary on. None is all
-            available cpus.
+            available cpus, by default None
+        points_per_worker : int
+            Number of sc_points to summarize on each worker, by default 10
 
         Returns
         -------
         summary : list
             List of dictionaries, each being an SC point summary.
         """
-
-        chunks = np.array_split(self._gids,
-                                int(np.ceil(len(self._gids) / 1000)))
+        chunks = len(self._gids) // points_per_worker
+        chunks = np.array_split(self._gids, chunks)
 
         logger.info('Running supply curve point aggregation for '
                     'points {} through {} at a resolution of {} '
@@ -1320,7 +1322,7 @@ def _summary_to_df(summary):
 
         return summary
 
-    def summarize(self, args=None, max_workers=None,
+    def summarize(self, args=None, max_workers=None, points_per_worker=10,
                   offshore_capacity=600, offshore_gid_counts=494,
                   offshore_pixel_area=4, offshore_meta_cols=None):
         """
@@ -1331,9 +1333,11 @@ def summarize(self, args=None, max_workers=None,
         args : tuple | list | None
             List of summary arguments to include. None defaults to all
             available args defined in the class attr.
-        max_workers : int | None
+        max_workers : int | None, optional
             Number of cores to run summary on. None is all
-            available cpus.
+            available cpus, by default None
+        points_per_worker : int
+            Number of sc_points to summarize on each worker, by default 10
         offshore_capacity : int | float
             Offshore resource pixel generation capacity in MW.
         offshore_gid_counts : int
@@ -1380,7 +1384,8 @@ def summarize(self, args=None, max_workers=None,
                                       cap_cost_scale=self._cap_cost_scale)
         else:
             summary = self.run_parallel(args=args, excl_area=self._excl_area,
-                                        max_workers=max_workers)
+                                        max_workers=max_workers,
+                                        points_per_worker=points_per_worker)
 
         summary = self.run_offshore(summary,
                                     offshore_capacity=offshore_capacity,
@@ -1409,6 +1414,7 @@ def summary(cls, excl_fpath, gen_fpath, tm_dset, econ_fpath=None,
                 h5_dsets=None, data_layers=None, power_density=None,
                 friction_fpath=None, friction_dset=None,
                 args=None, excl_area=None, max_workers=None,
+                points_per_worker=10,
                 cap_cost_scale=None, offshore_capacity=600,
                 offshore_gid_counts=494, offshore_pixel_area=4,
                 offshore_meta_cols=None):
@@ -1481,9 +1487,11 @@ def summary(cls, excl_fpath, gen_fpath, tm_dset, econ_fpath=None,
         excl_area : float | None
             Area of an exclusion pixel in km2. None will try to infer the area
             from the profile transform attribute in excl_fpath.
-        max_workers : int | None
+        max_workers : int | None, optional
             Number of cores to run summary on. None is all
-            available cpus.
+            available cpus, by default None
+        points_per_worker : int
+            Number of sc_points to summarize on each worker, by default 10
         cap_cost_scale : str | None
             Optional LCOE scaling equation to implement "economies of scale".
             Equations must be in python string format and return a scalar
@@ -1532,6 +1540,7 @@ def summary(cls, excl_fpath, gen_fpath, tm_dset, econ_fpath=None,
 
         summary = agg.summarize(args=args,
                                 max_workers=max_workers,
+                                points_per_worker=points_per_worker,
                                 offshore_capacity=offshore_capacity,
                                 offshore_gid_counts=offshore_gid_counts,
                                 offshore_pixel_area=offshore_pixel_area,