237 lines
11 KiB
Python
237 lines
11 KiB
Python
"""
|
|
Capital costs module
|
|
"""
|
|
import math
|
|
|
|
import pandas as pd
|
|
import numpy_financial as npf
|
|
from hub.city_model_structure.building import Building
|
|
import hub.helpers.constants as cte
|
|
from costs.configuration import Configuration
|
|
from costs.constants import SKIN_RETROFIT, SKIN_RETROFIT_AND_SYSTEM_RETROFIT_AND_PV, SYSTEM_RETROFIT_AND_PV
|
|
from costs.cost_base import CostBase
|
|
|
|
|
|
class CapitalCosts(CostBase):
|
|
"""
|
|
Capital costs class
|
|
"""
|
|
def __init__(self, building: Building, configuration: Configuration):
|
|
super().__init__(building, configuration)
|
|
self._yearly_capital_costs = pd.DataFrame(
|
|
index=self._rng,
|
|
columns=[
|
|
'B2010_opaque_walls',
|
|
'B2020_transparent',
|
|
'B3010_opaque_roof',
|
|
'B10_superstructure',
|
|
'D301010_photovoltaic_system',
|
|
'D3020_heat_generating_systems',
|
|
'D3030_cooling_generation_systems',
|
|
'D3040_distribution_systems',
|
|
'D3080_other_hvac_ahu',
|
|
'D5020_lighting_and_branch_wiring'
|
|
],
|
|
dtype='float'
|
|
)
|
|
self._yearly_capital_costs.loc[0, 'B2010_opaque_walls'] = 0
|
|
self._yearly_capital_costs.loc[0]['B2020_transparent'] = 0
|
|
self._yearly_capital_costs.loc[0, 'B3010_opaque_roof'] = 0
|
|
self._yearly_capital_costs.loc[0]['B10_superstructure'] = 0
|
|
self._yearly_capital_costs.loc[0, 'D3020_heat_generating_systems'] = 0
|
|
self._yearly_capital_costs.loc[0, 'D3030_cooling_generation_systems'] = 0
|
|
self._yearly_capital_costs.loc[0, 'D3040_distribution_systems'] = 0
|
|
self._yearly_capital_costs.loc[0, 'D3080_other_hvac_ahu'] = 0
|
|
self._yearly_capital_costs.loc[0, 'D5020_lighting_and_branch_wiring'] = 0
|
|
|
|
self._yearly_capital_incomes = pd.DataFrame(
|
|
index=self._rng,
|
|
columns=[
|
|
'Subsidies construction',
|
|
'Subsidies HVAC',
|
|
'Subsidies PV'
|
|
],
|
|
dtype='float'
|
|
)
|
|
self._yearly_capital_incomes.loc[0, 'Subsidies construction'] = 0
|
|
self._yearly_capital_incomes.loc[0, 'Subsidies HVAC'] = 0
|
|
self._yearly_capital_incomes.loc[0, 'Subsidies PV'] = 0
|
|
|
|
def calculate(self) -> tuple[pd.DataFrame, pd.DataFrame]:
|
|
"""
|
|
Calculate capital cost
|
|
:return: pd.DataFrame, pd.DataFrame
|
|
"""
|
|
surface_opaque = 0
|
|
surface_transparent = 0
|
|
surface_roof = 0
|
|
surface_ground = 0
|
|
capital_cost_pv = 0
|
|
capital_cost_opaque = 0
|
|
capital_cost_ground = 0
|
|
capital_cost_transparent = 0
|
|
capital_cost_roof = 0
|
|
capital_cost_heating_equipment = 0
|
|
capital_cost_cooling_equipment = 0
|
|
capital_cost_distribution_equipment = 0
|
|
capital_cost_other_hvac_ahu = 0
|
|
capital_cost_lighting = 0
|
|
|
|
for internal_zone in self._building.internal_zones:
|
|
for thermal_zone in internal_zone.thermal_zones:
|
|
for thermal_boundary in thermal_zone.thermal_boundaries:
|
|
if thermal_boundary.type == 'Ground':
|
|
surface_ground += thermal_boundary.opaque_area
|
|
elif thermal_boundary.type == 'Roof':
|
|
surface_roof += thermal_boundary.opaque_area
|
|
elif thermal_boundary.type == 'Wall':
|
|
surface_opaque += thermal_boundary.opaque_area * (1 - thermal_boundary.window_ratio)
|
|
surface_transparent += thermal_boundary.opaque_area * thermal_boundary.window_ratio
|
|
|
|
peak_heating = self._building.heating_peak_load[cte.YEAR][0] / 1000
|
|
peak_cooling = self._building.cooling_peak_load[cte.YEAR][0] / 1000
|
|
|
|
surface_pv = 0
|
|
for roof in self._building.roofs:
|
|
surface_pv += roof.solid_polygon.area * roof.solar_collectors_area_reduction_factor
|
|
|
|
self._yearly_capital_costs.fillna(0, inplace=True)
|
|
own_capital = 1 - self._configuration.percentage_credit
|
|
if self._configuration.retrofit_scenario in (SKIN_RETROFIT, SKIN_RETROFIT_AND_SYSTEM_RETROFIT_AND_PV):
|
|
chapter = self._capital_costs_chapter.chapter('B_shell')
|
|
capital_cost_opaque = surface_opaque * chapter.item('B2010_opaque_walls').refurbishment[0]
|
|
capital_cost_transparent = surface_transparent * chapter.item('B2020_transparent').refurbishment[0]
|
|
capital_cost_roof = surface_roof * chapter.item('B3010_opaque_roof').refurbishment[0]
|
|
capital_cost_ground = surface_ground * chapter.item('B10_superstructure').refurbishment[0]
|
|
self._yearly_capital_costs.loc[0, 'B2010_opaque_walls'] = capital_cost_opaque * own_capital
|
|
self._yearly_capital_costs.loc[0]['B2020_transparent'] = capital_cost_transparent * own_capital
|
|
self._yearly_capital_costs.loc[0, 'B3010_opaque_roof'] = capital_cost_roof * own_capital
|
|
self._yearly_capital_costs.loc[0]['B10_superstructure'] = capital_cost_ground * own_capital
|
|
|
|
if self._configuration.retrofit_scenario in (SYSTEM_RETROFIT_AND_PV, SKIN_RETROFIT_AND_SYSTEM_RETROFIT_AND_PV):
|
|
chapter = self._capital_costs_chapter.chapter('D_services')
|
|
capital_cost_pv = surface_pv * chapter.item('D301010_photovoltaic_system').initial_investment[0]
|
|
capital_cost_heating_equipment = peak_heating * chapter.item('D3020_heat_generating_systems').initial_investment[0]
|
|
capital_cost_cooling_equipment = peak_cooling * chapter.item('D3030_cooling_generation_systems').initial_investment[0]
|
|
capital_cost_distribution_equipment = peak_cooling * chapter.item('D3040_distribution_systems').initial_investment[0]
|
|
capital_cost_other_hvac_ahu = peak_cooling * chapter.item('D3080_other_hvac_ahu').initial_investment[0]
|
|
capital_cost_lighting = self._total_floor_area * chapter.item('D5020_lighting_and_branch_wiring').initial_investment[0]
|
|
self._yearly_capital_costs.loc[0]['D301010_photovoltaic_system'] = capital_cost_pv
|
|
self._yearly_capital_costs.loc[0, 'D3020_heat_generating_systems'] = capital_cost_heating_equipment * own_capital
|
|
self._yearly_capital_costs.loc[0, 'D3030_cooling_generation_systems'] = capital_cost_cooling_equipment * own_capital
|
|
self._yearly_capital_costs.loc[0, 'D3040_distribution_systems'] = capital_cost_distribution_equipment * own_capital
|
|
self._yearly_capital_costs.loc[0, 'D3080_other_hvac_ahu'] = capital_cost_other_hvac_ahu * own_capital
|
|
self._yearly_capital_costs.loc[0, 'D5020_lighting_and_branch_wiring'] = capital_cost_lighting * own_capital
|
|
|
|
for year in range(1, self._configuration.number_of_years):
|
|
chapter = self._capital_costs_chapter.chapter('D_services')
|
|
costs_increase = math.pow(1 + self._configuration.consumer_price_index, year)
|
|
self._yearly_capital_costs.loc[year, 'B2010_opaque_walls'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_opaque * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'B2020_transparent'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_transparent * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'B3010_opaque_roof'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_roof * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'B10_superstructure'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_ground * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3020_heat_generating_systems'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_heating_equipment * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3030_cooling_generation_systems'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_cooling_equipment * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3040_distribution_systems'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_distribution_equipment * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3080_other_hvac_ahu'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_other_hvac_ahu * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D5020_lighting_and_branch_wiring'] = (
|
|
-npf.pmt(
|
|
self._configuration.interest_rate,
|
|
self._configuration.credit_years,
|
|
capital_cost_lighting * self._configuration.percentage_credit
|
|
)
|
|
)
|
|
|
|
if (year % chapter.item('D3020_heat_generating_systems').lifetime) == 0:
|
|
reposition_cost_heating_equipment = (
|
|
peak_heating * chapter.item('D3020_heat_generating_systems').reposition[0] * costs_increase
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3020_heat_generating_systems'] += reposition_cost_heating_equipment
|
|
|
|
if (year % chapter.item('D3030_cooling_generation_systems').lifetime) == 0:
|
|
reposition_cost_cooling_equipment = (
|
|
peak_cooling * chapter.item('D3030_cooling_generation_systems').reposition[0] * costs_increase
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3030_cooling_generation_systems'] += reposition_cost_cooling_equipment
|
|
|
|
if (year % chapter.item('D3080_other_hvac_ahu').lifetime) == 0:
|
|
reposition_cost_hvac_ahu = (
|
|
peak_cooling * chapter.item('D3080_other_hvac_ahu').reposition[0] * costs_increase
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D3080_other_hvac_ahu'] = reposition_cost_hvac_ahu
|
|
|
|
if (year % chapter.item('D5020_lighting_and_branch_wiring').lifetime) == 0:
|
|
reposition_cost_lighting = (
|
|
self._total_floor_area * chapter.item('D5020_lighting_and_branch_wiring').reposition[0] * costs_increase
|
|
)
|
|
self._yearly_capital_costs.loc[year, 'D5020_lighting_and_branch_wiring'] += reposition_cost_lighting
|
|
|
|
if self._configuration.retrofit_scenario in (SYSTEM_RETROFIT_AND_PV, SKIN_RETROFIT_AND_SYSTEM_RETROFIT_AND_PV):
|
|
if (year % chapter.item('D301010_photovoltaic_system').lifetime) == 0:
|
|
self._yearly_capital_costs.loc[year]['D301010_photovoltaic_system'] += (
|
|
surface_pv * chapter.item('D301010_photovoltaic_system').reposition[0] * costs_increase
|
|
)
|
|
capital_cost_skin = capital_cost_opaque + capital_cost_ground + capital_cost_transparent + capital_cost_roof
|
|
capital_cost_hvac = (
|
|
capital_cost_heating_equipment +
|
|
capital_cost_cooling_equipment +
|
|
capital_cost_distribution_equipment +
|
|
capital_cost_other_hvac_ahu + capital_cost_lighting
|
|
)
|
|
|
|
self._yearly_capital_incomes.loc[0, 'Subsidies construction'] = (
|
|
capital_cost_skin * self._archetype.income.construction_subsidy/100
|
|
)
|
|
self._yearly_capital_incomes.loc[0, 'Subsidies HVAC'] = capital_cost_hvac * self._archetype.income.hvac_subsidy/100
|
|
self._yearly_capital_incomes.loc[0, 'Subsidies PV'] = capital_cost_pv * self._archetype.income.photovoltaic_subsidy/100
|
|
self._yearly_capital_incomes.fillna(0, inplace=True)
|
|
return self._yearly_capital_costs, self._yearly_capital_incomes
|