"""
Copyright (C) 2013-2019 Calliope contributors listed in AUTHORS.
Licensed under the Apache 2.0 License (see LICENSE file).
group.py
~~~~~~~~
Group constraints.
"""
import logging
import numpy as np
import pyomo.core as po # pylint: disable=import-error
from calliope.backend.pyomo.util import loc_tech_is_in, get_param
logger = logging.getLogger(__name__)
ORDER = 20 # order in which to invoke constraints relative to other constraint files
def return_noconstraint(*args):
logger.debug('group constraint returned NoConstraint: {}'.format(','.join(args)))
return po.Constraint.NoConstraint
def load_constraints(backend_model):
model_data_dict = backend_model.__calliope_model_data['data']
for sense in ['min', 'max', 'equals']:
if 'group_energy_cap_share_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_energy_cap_share_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_energy_cap_share_{}'.format(sense)),
[sense], rule=energy_cap_share_constraint_rule
)
)
if 'group_energy_cap_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_energy_cap_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_energy_cap_{}'.format(sense)),
[sense], rule=energy_cap_constraint_rule
)
)
if 'group_resource_area_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_resource_area_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_resource_area_{}'.format(sense)),
[sense], rule=resource_area_constraint_rule
)
)
if 'group_carrier_prod_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_carrier_prod_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_carrier_prod_{}'.format(sense)),
backend_model.carriers, [sense], rule=carrier_prod_constraint_rule
)
)
if 'group_demand_share_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_demand_share_{}_constraint'.format(sense),
po.Constraint(getattr(backend_model, 'group_names_demand_share_{}'.format(sense)),
backend_model.carriers, [sense], rule=demand_share_constraint_rule)
)
if 'group_demand_share_per_timestep_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_demand_share_per_timestep_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_demand_share_per_timestep_{}'.format(sense)),
backend_model.carriers, backend_model.timesteps,
[sense], rule=demand_share_per_timestep_constraint_rule
)
)
if 'group_carrier_prod_share_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_carrier_prod_share_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_carrier_prod_share_{}'.format(sense)),
backend_model.carriers, [sense], rule=carrier_prod_share_constraint_rule
)
)
if 'group_carrier_prod_share_per_timestep_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_carrier_prod_share_per_timestep_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_carrier_prod_share_per_timestep_{}'.format(sense)),
backend_model.carriers, backend_model.timesteps,
[sense], rule=carrier_prod_share_per_timestep_constraint_rule
)
)
if 'group_net_import_share_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_net_import_share_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_net_import_share_{}'.format(sense)),
backend_model.carriers, [sense], rule=net_import_share_constraint_rule
)
)
if 'group_cost_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_cost_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_cost_{}'.format(sense)),
backend_model.costs, [sense], rule=cost_cap_constraint_rule
)
)
if 'group_cost_var_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_cost_var_{}_constraint'.format(sense),
po.Constraint(getattr(backend_model, 'group_names_cost_var_{}'.format(sense)),
backend_model.costs, [sense], rule=cost_var_cap_constraint_rule)
)
if 'group_cost_investment_{}'.format(sense) in model_data_dict:
setattr(
backend_model, 'group_cost_investment_{}_constraint'.format(sense),
po.Constraint(
getattr(backend_model, 'group_names_cost_investment_{}'.format(sense)),
backend_model.costs, [sense], rule=cost_investment_cap_constraint_rule
)
)
if 'group_demand_share_per_timestep_decision' in model_data_dict:
backend_model.group_demand_share_per_timestep_decision_main_constraint = po.Constraint(
backend_model.group_names_demand_share_per_timestep_decision,
backend_model.carriers,
backend_model.techs,
backend_model.timesteps,
rule=demand_share_per_timestep_decision_main_constraint_rule
)
backend_model.group_demand_share_per_timestep_decision_sum_constraint = po.Constraint(
backend_model.group_names_demand_share_per_timestep_decision,
backend_model.carriers,
rule=demand_share_per_timestep_decision_sum_constraint_rule
)
def equalizer(lhs, rhs, sign):
if sign == 'max':
return lhs <= rhs
elif sign == 'min':
return lhs >= rhs
elif sign == 'equals':
return lhs == rhs
else:
raise ValueError('Invalid sign: {}'.format(sign))
[docs]def get_demand_share_lhs_and_rhs_loc_tech_carriers(backend_model, group_name, carrier):
"""
Returns
-------
(lhs_loc_tech_carriers, rhs_loc_tech_carriers):
lhs are the supply technologies, rhs are the demand technologies
"""
lhs_loc_techs = getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(group_name)
)
lhs_locs = set(loc_tech.split('::')[0] for loc_tech in lhs_loc_techs)
lhs_loc_tech_carriers = [
i for i in backend_model.loc_tech_carriers_prod
if i.rsplit('::', 1)[0] in lhs_loc_techs and i.split('::')[-1] == carrier
]
rhs_loc_tech_carriers = [
i for i in backend_model.loc_tech_carriers_demand
if i.split('::')[0] in lhs_locs and i.split('::')[-1] == carrier
]
return (lhs_loc_tech_carriers, rhs_loc_tech_carriers)
[docs]def demand_share_constraint_rule(backend_model, group_name, carrier, what):
"""
Enforces shares of demand of a carrier to be met by the given groups
of technologies at the given locations, on average over the entire
model period. The share is relative to ``demand`` technologies only.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in given\\_group, timestep \\in timesteps} carrier_{prod}(loc::tech::carrier, timestep) \\leq
share \\times \\sum_{loc::tech:carrier \\in loc\\_techs\\_demand \\in given\\_locations, timestep\\in timesteps}
carrier_{con}(loc::tech::carrier, timestep)
"""
share = get_param(backend_model, 'group_demand_share_{}'.format(what), (carrier, group_name))
if share is None:
return return_noconstraint('demand_share', group_name)
else:
lhs_loc_tech_carriers, rhs_loc_tech_carriers = get_demand_share_lhs_and_rhs_loc_tech_carriers(
backend_model, group_name, carrier
)
lhs = sum(
backend_model.carrier_prod[loc_tech_carrier, timestep]
for loc_tech_carrier in lhs_loc_tech_carriers
for timestep in backend_model.timesteps
)
rhs = share * -1 * sum(
backend_model.carrier_con[loc_tech_carrier, timestep]
for loc_tech_carrier in rhs_loc_tech_carriers
for timestep in backend_model.timesteps
)
return equalizer(lhs, rhs, what)
[docs]def demand_share_per_timestep_constraint_rule(backend_model, group_name, carrier, timestep, what):
"""
Enforces shares of demand of a carrier to be met by the given groups
of technologies at the given locations, in each timestep.
The share is relative to ``demand`` technologies only.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in given\\_group} carrier_{prod}(loc::tech::carrier, timestep) \\leq
share \\times \\sum_{loc::tech:carrier \\in loc\\_techs\\_demand \\in given\\_locations}
carrier_{con}(loc::tech::carrier, timestep) for timestep \\in timesteps
"""
share = get_param(backend_model, 'group_demand_share_per_timestep_{}'.format(what), (carrier, group_name))
if share is None:
return return_noconstraint('demand_share_per_timestep', group_name)
else:
lhs_loc_tech_carriers, rhs_loc_tech_carriers = get_demand_share_lhs_and_rhs_loc_tech_carriers(
backend_model, group_name, carrier
)
lhs = sum(
backend_model.carrier_prod[loc_tech_carrier, timestep]
for loc_tech_carrier in lhs_loc_tech_carriers
)
rhs = share * -1 * sum(
backend_model.carrier_con[loc_tech_carrier, timestep]
for loc_tech_carrier in rhs_loc_tech_carriers
)
return equalizer(lhs, rhs, what)
[docs]def demand_share_per_timestep_decision_main_constraint_rule(backend_model, group_name, carrier, tech, timestep):
"""
Allows the model to decide on how a fraction demand for a carrier is met
by the given groups, which will all have the same share in each timestep.
The share is relative to the actual demand from ``demand`` technologies only.
The main constraint enforces that the shares are the same in each timestep.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in given\\_group} carrier_{prod}(loc::tech::carrier, timestep)
=
\\sum_{loc::tech::carrier \\in given\\_group}
required\\_resource(loc::tech::carrier, timestep)
\\times \\sum_{loc::tech::carrier \\in given\\_group}
demand\\_share\\_per\\_timestep\\_decision(loc::tech::carrier)
\\forall timestep \\in timesteps
\\forall tech \\in techs
"""
share_of_carrier_demand = get_param(backend_model, 'group_demand_share_per_timestep_decision', (carrier, group_name))
if share_of_carrier_demand is None:
return return_noconstraint('demand_share_per_timestep_decision_main', group_name)
else:
# lhs are the supply technologies, rhs are the demand technologies
lhs_loc_tech_carriers, rhs_loc_tech_carriers = get_demand_share_lhs_and_rhs_loc_tech_carriers(
backend_model, group_name, carrier
)
# Filter the supply loc_tech_carriers by the current tech
lhs_loc_tech_carriers = [i for i in lhs_loc_tech_carriers if '::{}::'.format(tech) in i]
# Only techs that are in the given group are considered
if len(lhs_loc_tech_carriers) == 0:
return return_noconstraint('demand_share_per_timestep_decision_main', group_name)
lhs = sum(
backend_model.carrier_prod[loc_tech_carrier, timestep]
for loc_tech_carrier in lhs_loc_tech_carriers
)
rhs = -1 * sum(
backend_model.required_resource[rhs_loc_tech_carrier.rsplit('::', 1)[0], timestep]
for rhs_loc_tech_carrier in rhs_loc_tech_carriers
) * sum(
backend_model.demand_share_per_timestep_decision[lhs_loc_tech_carrier]
for lhs_loc_tech_carrier in lhs_loc_tech_carriers
)
return equalizer(lhs, rhs, 'equals')
[docs]def demand_share_per_timestep_decision_sum_constraint_rule(backend_model, group_name, carrier):
"""
Allows the model to decide on how a fraction of demand for a carrier is met
by the given groups, which will all have the same share in each timestep.
The share is relative to the actual demand from ``demand`` technologies only.
The sum constraint ensures that all decision shares add up to the share of
carrier demand specified in the constraint.
This constraint is only applied if the share of carrier demand has been
set to a not-None value.
.. container:: scrolling-wrapper
.. math::
share = \\sum_{loc::tech::carrier \\in given\\_group}
demand\\_share\\_per\\_timestep\\_decision(loc::tech::carrier)
"""
share_of_carrier_demand = get_param(backend_model, 'group_demand_share_per_timestep_decision', (carrier, group_name))
# If inf was given that means that we don't limit the total share
if share_of_carrier_demand is None or np.isinf(share_of_carrier_demand):
return return_noconstraint('demand_share_per_timestep_decision_sum', group_name)
else:
lhs_loc_tech_carriers, _ = get_demand_share_lhs_and_rhs_loc_tech_carriers(
backend_model, group_name, carrier
)
return share_of_carrier_demand == sum(
backend_model.demand_share_per_timestep_decision[loc_tech_carrier]
for loc_tech_carrier in lhs_loc_tech_carriers
)
def get_carrier_prod_share_lhs_and_rhs_loc_techs(backend_model, group_name):
lhs_loc_techs = getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(group_name)
)
lhs_locs = [loc_tech.split('::')[0] for loc_tech in lhs_loc_techs]
rhs_loc_techs = [
i for i in backend_model.loc_techs_supply_conversion_all
if i.split('::')[0] in lhs_locs
]
return (lhs_loc_techs, rhs_loc_techs)
[docs]def carrier_prod_share_constraint_rule(backend_model, constraint_group, carrier, what):
"""
Enforces shares of carrier_prod for groups of technologies and locations,
on average over the entire model period. The share is relative to
``supply`` and ``supply_plus`` technologies only.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in given\\_group, timestep \\in timesteps} carrier_{prod}(loc::tech::carrier, timestep) \\leq
share \\times \\sum_{loc::tech:carrier \\in loc\\_tech\\_carriers\\_supply\\_all \\in given\\_locations, timestep\\in timesteps}
carrier_{prod}(loc::tech::carrier, timestep)
"""
share = get_param(backend_model, 'group_carrier_prod_share_{}'.format(what), (carrier, constraint_group))
if share is None:
return return_noconstraint('supply_share', constraint_group)
else:
lhs_loc_techs, rhs_loc_techs = get_carrier_prod_share_lhs_and_rhs_loc_techs(
backend_model,
constraint_group
)
lhs = sum(
backend_model.carrier_prod[loc_tech + '::' + carrier, timestep]
for loc_tech in lhs_loc_techs
for timestep in backend_model.timesteps
)
rhs = share * sum(
backend_model.carrier_prod[loc_tech + '::' + carrier, timestep]
for loc_tech in rhs_loc_techs
for timestep in backend_model.timesteps
)
return equalizer(lhs, rhs, what)
[docs]def carrier_prod_share_per_timestep_constraint_rule(backend_model, constraint_group, carrier, timestep, what):
"""
Enforces shares of carrier_prod for groups of technologies and locations,
in each timestep. The share is relative to ``supply`` and ``supply_plus``
technologies only.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in given\\_group} carrier_{prod}(loc::tech::carrier, timestep) \\leq
share \\times \\sum_{loc::tech:carrier \\in loc\\_tech\\_carriers\\_supply\\_all \\in given\\_locations}
carrier_{prod}(loc::tech::carrier, timestep) for timestep \\in timesteps
"""
share = get_param(backend_model, 'group_carrier_prod_share_per_timestep_{}'.format(what), (carrier, constraint_group))
if share is None:
return return_noconstraint('carrier_prod_share_per_timestep', constraint_group)
else:
lhs_loc_techs, rhs_loc_techs = get_carrier_prod_share_lhs_and_rhs_loc_techs(
backend_model,
constraint_group
)
lhs = sum(
backend_model.carrier_prod[loc_tech + '::' + carrier, timestep]
for loc_tech in lhs_loc_techs
)
rhs = share * sum(
backend_model.carrier_prod[loc_tech + '::' + carrier, timestep]
for loc_tech in rhs_loc_techs
)
return equalizer(lhs, rhs, what)
[docs]def net_import_share_constraint_rule(backend_model, constraint_group, carrier, what):
"""
Enforces demand shares of net imports from transmission technologies for groups of locations,
on average over the entire model period. Transmission within the group are ignored. The share
is relative to ``demand`` technologies only.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in loc\\_tech\\_carriers\\_transmission \\in given\\_locations, timestep \\in timesteps} carrier_{prod}(loc::tech::carrier, timestep)
+ \\sum_{loc::tech::carrier \\in loc\\_tech\\_carriers\\_transmission \\in given\\_locations, timestep \\in timesteps} carrier_{con}(loc::tech::carrier, timestep) \\leq
share \\times \\sum_{loc::tech:carrier \\in loc\\_tech\\_demand \\in given\\_locations, timestep\\in timesteps}
carrier_{con}(loc::tech::carrier, timestep)
"""
share = get_param(backend_model, 'group_net_import_share_{}'.format(what), (carrier, constraint_group))
if share.value is None:
return return_noconstraint('net_import_share', constraint_group)
else:
trans_loc_tech = getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(constraint_group)
)
locs = set(loc_tech.split('::')[0] for loc_tech in trans_loc_tech)
trans_loc_tech = filter(lambda loc_tec: loc_tec.split(":")[-1] not in locs, trans_loc_tech)
demand_loc_tech = [
i for i in backend_model.loc_tech_carriers_demand
if i.split('::')[0] in locs
]
lhs = sum(
(backend_model.carrier_prod[loc_tech + '::' + carrier, timestep]
+ backend_model.carrier_con[loc_tech + '::' + carrier, timestep])
for loc_tech in trans_loc_tech
for timestep in backend_model.timesteps
)
rhs = - share * sum(
backend_model.carrier_con[loc_tech, timestep]
for loc_tech in demand_loc_tech
for timestep in backend_model.timesteps
)
return equalizer(lhs, rhs, what)
[docs]def carrier_prod_constraint_rule(backend_model, constraint_group, carrier, what):
"""
Enforces carrier_prod for groups of technologies and locations,
as a sum over the entire model period.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech::carrier \\in given\\_group, timestep \\in timesteps} carrier_{prod}(loc::tech::carrier, timestep) \\leq supply_max
"""
limit = get_param(backend_model, 'group_carrier_prod_{}'.format(what), (carrier, constraint_group))
if limit is None:
return return_noconstraint('carrier_prod', constraint_group)
else:
# We won't actually use the rhs techs
lhs_loc_techs, rhs_loc_techs = get_carrier_prod_share_lhs_and_rhs_loc_techs(
backend_model,
constraint_group
)
lhs = sum(
backend_model.carrier_prod[loc_tech + '::' + carrier, timestep]
for loc_tech in lhs_loc_techs
for timestep in backend_model.timesteps
if loc_tech + '::' + carrier in backend_model.loc_tech_carriers_prod
)
return equalizer(lhs, limit, what)
[docs]def energy_cap_share_constraint_rule(backend_model, constraint_group, what):
"""
Enforces shares of energy_cap for groups of technologies and locations. The
share is relative to ``supply`` and ``supply_plus`` technologies only.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech \\in given\\_group} energy_{cap}(loc::tech) \\leq
share \\times \\sum_{loc::tech \\in loc\\_tech\\_supply\\_all \\in given\\_locations} energy_{cap}(loc::tech)
"""
share = get_param(backend_model, 'group_energy_cap_share_{}'.format(what), (constraint_group))
if share is None:
return return_noconstraint('energy_cap_share', constraint_group)
else:
lhs_loc_techs = getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(constraint_group)
)
lhs_locs = [loc_tech.split('::')[0] for loc_tech in lhs_loc_techs]
rhs_loc_techs = [
i for i in backend_model.loc_techs_supply_conversion_all
if i.split('::')[0] in lhs_locs
]
lhs = sum(
backend_model.energy_cap[loc_tech]
for loc_tech in lhs_loc_techs
)
rhs = share * sum(
backend_model.energy_cap[loc_tech]
for loc_tech in rhs_loc_techs
)
return equalizer(lhs, rhs, what)
[docs]def energy_cap_constraint_rule(backend_model, constraint_group, what):
"""
Enforce upper and lower bounds for energy_cap of energy_cap
for groups of technologies and locations.
.. container:: scrolling-wrapper
.. math::
\\sum_{loc::tech \\in given\\_group} energy_{cap}(loc::tech) \\leq energy\\_cap\\_max\\\\
\\sum_{loc::tech \\in given\\_group} energy_{cap}(loc::tech) \\geq energy\\_cap\\_min
"""
threshold = get_param(backend_model, 'group_energy_cap_{}'.format(what), (constraint_group))
if threshold is None:
return return_noconstraint('energy_cap', constraint_group)
else:
lhs_loc_techs = getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(constraint_group)
)
# Transmission techs only contribute half their capacity in each direction
lhs = []
for loc_tech in lhs_loc_techs:
if loc_tech_is_in(backend_model, loc_tech, 'loc_techs_transmission'):
weight = 0.5
else:
weight = 1
lhs.append(weight * backend_model.energy_cap[loc_tech])
rhs = threshold
return equalizer(sum(lhs), rhs, what)
[docs]def cost_cap_constraint_rule(backend_model, group_name, cost, what):
"""
Limit cost for a specific cost class to a certain value,
i.e. Ɛ-constrained costs,
for groups of technologies and locations.
.. container:: scrolling-wrapper
.. math::
\\sum{loc::tech \\in loc\\_techs_{group\\_name}, timestep \\in timesteps}
\\boldsymbol{cost}(cost, loc::tech, timestep)
\\begin{cases}
\\leq cost\\_max(cost)
\\geq cost\\_min(cost)
= cost\\_equals(cost)
\\end{cases}
"""
cost_cap = get_param(backend_model, 'group_cost_{}'.format(what), (cost, group_name))
if cost_cap is None:
return return_noconstraint('cost_cap', group_name)
else:
loc_techs = [i for i in getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(group_name)
) if i in backend_model.loc_techs_cost]
sum_cost = sum(backend_model.cost[cost, loc_tech] for loc_tech in loc_techs)
return equalizer(sum_cost, cost_cap, what)
[docs]def cost_investment_cap_constraint_rule(backend_model, group_name, cost, what):
"""
Limit investment costs specific to a cost class to a
certain value, i.e. Ɛ-constrained costs,
for groups of technologies and locations.
.. container:: scrolling-wrapper
.. math::
\\sum{loc::tech \\in loc\\_techs_{group\\_name}, timestep \\in timesteps}
\\boldsymbol{cost\\_{investment}}(cost, loc::tech, timestep)
\\begin{cases}
\\leq cost\\_investment\\_max(cost)
\\geq cost\\_investment\\_min(cost)
= cost\\_investment\\_equals(cost)
\\end{cases}
"""
cost_cap = get_param(backend_model, 'group_cost_investment_{}'.format(what), (cost, group_name))
if cost_cap is None:
return return_noconstraint('cost_investment_cap', group_name)
else:
loc_techs = [i for i in getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(group_name)
) if i in backend_model.loc_techs_investment_cost]
sum_cost = sum(backend_model.cost_investment[cost, loc_tech] for loc_tech in loc_techs)
return equalizer(sum_cost, cost_cap, what)
[docs]def cost_var_cap_constraint_rule(backend_model, group_name, cost, what):
"""
Limit variable costs specific to a cost class
to a certain value, i.e. Ɛ-constrained costs,
for groups of technologies and locations.
.. container:: scrolling-wrapper
.. math::
\\sum{loc::tech \\in loc\\_techs_{group\\_name}, timestep \\in timesteps}
\\boldsymbol{cost\\_{var}}(cost, loc::tech, timestep)
\\begin{cases}
\\leq cost\\_var\\_max(cost)
\\geq cost\\_var\\_min(cost)
= cost\\_var\\_equals(cost)
\\end{cases}
"""
cost_cap = get_param(backend_model, 'group_cost_var_{}'.format(what), (cost, group_name))
if cost_cap is None:
return return_noconstraint('cost_var_cap', group_name)
else:
loc_techs = [i for i in getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(group_name)
) if i in backend_model.loc_techs_om_cost]
sum_cost = sum(
backend_model.cost_var[cost, loc_tech, timestep]
for loc_tech in loc_techs for timestep in backend_model.timesteps
)
return equalizer(sum_cost, cost_cap, what)
[docs]def resource_area_constraint_rule(backend_model, constraint_group, what):
"""
Enforce upper and lower bounds of resource_area for groups of
technologies and locations.
.. container:: scrolling-wrapper
.. math::
\\boldsymbol{resource_{area}}(loc::tech) \\leq group\\_resource\\_area\\_max\\\\
\\boldsymbol{resource_{area}}(loc::tech) \\geq group\\_resource\\_area\\_min
"""
threshold = get_param(backend_model, 'group_resource_area_{}'.format(what), (constraint_group))
if threshold is None:
return return_noconstraint('resource_area', constraint_group)
else:
lhs_loc_techs = getattr(
backend_model,
'group_constraint_loc_techs_{}'.format(constraint_group)
)
lhs = sum(
backend_model.resource_area[loc_tech]
for loc_tech in lhs_loc_techs
)
rhs = threshold
return equalizer(lhs, rhs, what)