def test_calculate_yearly_capital_costs(self):
plant_cost_calculation = FuelPlantCostCalculations(plant_type = "CCGT", capacity_mw = 1200, construction_year = 2018, average_load_factor = 0.93, efficiency = 0.54, pre_dev_period = 3,
construction_period = 3, operating_period = 25, pre_dev_spend_years = [0.44, 0.44, 0.12], construction_spend_years = [0.4, 0.4, 0.2],
pre_dev_cost_per_mw = 10000, construction_cost_per_mw = 500000, infrastructure = 15100, fixed_o_and_m_per_mw = 12200,
variable_o_and_m_per_mwh = 3, insurance_cost_per_mw = 2100, connection_cost_per_mw = 3300)
yearly_capital_costs = plant_cost_calculation.calculate_yearly_outflow()
assert yearly_capital_costs == 46204000
def short_run_marginal_cost(self,
model,
genco,
fuel_price=None,
co2_price=None):
plant_cost_calculations = FuelPlantCostCalculations(
plant_type=self.plant_type,
capacity_mw=self.capacity_mw,
construction_year=self.construction_year,
average_load_factor=self.average_load_factor,
efficiency=self.efficiency,
pre_dev_period=self.pre_dev_period,
construction_period=self.construction_period,
operating_period=self.operating_period,
pre_dev_spend_years=self.pre_dev_spend_years,
construction_spend_years=self.construction_spend_years,
pre_dev_cost_per_mw=self.pre_dev_cost_per_mw,
construction_cost_per_mw=self.construction_cost_per_mw,
infrastructure=self.infrastructure,
fixed_o_and_m_per_mw=self.fixed_o_and_m_per_mw,
variable_o_and_m_per_mwh=self.variable_o_and_m_per_mwh,
insurance_cost_per_mw=self.insurance_cost_per_mw,
connection_cost_per_mw=self.connection_cost_per_mw)
marginal_cost = plant_cost_calculations.calculate_short_run_marginal_cost(
model, genco, fuel_price, co2_price)
return marginal_cost
def test_short_run_marginal_cost_nuclear(self, mock_model):
mock_model.year_number=2018
plant_cost_calculation = FuelPlantCostCalculations(plant_type = "Nuclear", capacity_mw = 1200, construction_year = 2018, average_load_factor = 0.93, efficiency = 0.54, pre_dev_period = 3,
construction_period = 3, operating_period = 25, pre_dev_spend_years = [0.44, 0.44, 0.12], construction_spend_years = [0.4, 0.4, 0.2],
pre_dev_cost_per_mw = 10000, construction_cost_per_mw = 500000, infrastructure = 15100000, fixed_o_and_m_per_mw = 12200,
variable_o_and_m_per_mwh = 3, insurance_cost_per_mw = 2100, connection_cost_per_mw = 3300)
logger.debug(plant_cost_calculation.calculate_short_run_marginal_cost(mock_model))
short_run_marginal_cost = plant_cost_calculation.calculate_short_run_marginal_cost(mock_model)
assert short_run_marginal_cost == pytest.approx(10.22222222)
def create_ccgt_2018_power_plant_object(self):
fuelLCOECalculationObj = FuelPlantCostCalculations(plant_type="CCGT", capacity_mw=1200, construction_year=2010,
average_load_factor=0.93, efficiency=0.54, pre_dev_period=3, construction_period=3,
operating_period=25, pre_dev_spend_years=[0.44, 0.44, 0.12],
construction_spend_years=[0.4, 0.4, 0.2], pre_dev_cost_per_mw=10000,
construction_cost_per_mw=500000, infrastructure=15100, fixed_o_and_m_per_mw=12200,
variable_o_and_m_per_mwh=3, insurance_cost_per_mw=2100, connection_cost_per_mw=3300)
return fuelLCOECalculationObj
def calculate_lcoe(self, discount_rate):
plant_cost_calculations = FuelPlantCostCalculations(
plant_type=self.plant_type,
capacity_mw=self.capacity_mw,
construction_year=self.construction_year,
average_load_factor=self.average_load_factor,
efficiency=self.efficiency,
pre_dev_period=self.pre_dev_period,
construction_period=self.construction_period,
operating_period=self.operating_period,
pre_dev_spend_years=self.pre_dev_spend_years,
construction_spend_years=self.construction_spend_years,
pre_dev_cost_per_mw=self.pre_dev_cost_per_mw,
construction_cost_per_mw=self.construction_cost_per_mw,
infrastructure=self.infrastructure,
fixed_o_and_m_per_mw=self.fixed_o_and_m_per_mw,
variable_o_and_m_per_mwh=self.variable_o_and_m_per_mwh,
insurance_cost_per_mw=self.insurance_cost_per_mw,
connection_cost_per_mw=self.connection_cost_per_mw)
lcoe = plant_cost_calculations.calculate_lcoe(discount_rate)
return lcoe
def _get_capital_outflow(self, power_plant):
power_plant_vars = vars(power_plant)
logger.debug("power_plant_vars: {}".format(power_plant_vars))
func = FuelPlantCostCalculations
vars_required = signature(func)._parameters
logger.debug("vars_required: {}".format(vars_required))
power_plant_vars = {key: value for key, value in power_plant_vars.items() if key in vars_required}
# yearly_outflow = FuelPlantCostCalculations(**power_plant_vars).calculate_yearly_outflow()
capital_costs = FuelPlantCostCalculations(**power_plant_vars)._capex()
logger.debug("capital_cost_outflow: {}".format(capital_costs))
capital_costs_outflow = [-x for x in capital_costs]
return capital_costs_outflow
with PyCallGraph(output=GraphvizOutput()):
mock_model = Mock(spec=World)
genco = Mock(spec=GenCo)
genco.gas_price_modifier = 1
mock_model.year_number = 2020
plant_cost_calculation = FuelPlantCostCalculations(
plant_type="CCGT",
capacity_mw=1200,
construction_year=2018,
average_load_factor=0.93,
efficiency=0.54,
pre_dev_period=3,
construction_period=3,
operating_period=25,
pre_dev_spend_years=[0.44, 0.44, 0.12],
construction_spend_years=[0.4, 0.4, 0.2],
pre_dev_cost_per_mw=10000,
construction_cost_per_mw=500000,
infrastructure=15100000,
fixed_o_and_m_per_mw=12200,
variable_o_and_m_per_mwh=3,
insurance_cost_per_mw=2100,
connection_cost_per_mw=3300)
# logger.info(plant_cost_calculation.calculate_short_run_marginal_cost(mock_model, genco))
for _ in range(5000):
short_run_marginal_cost = plant_cost_calculation.calculate_short_run_marginal_cost(
mock_model, genco)
assert short_run_marginal_cost == pytest.approx(39.23609592592592)