9. Energy requirements

sap2012.SAP_worksheet.energy_requirements.energy_requirements(fraction_of_space_heat_secondary_system, fraction_of_space_heat_from_main_system_2, efficiency_of_main_space_heating_system_1, efficiency_of_main_space_heating_system_2, efficiency_of_secondary_space_heating_system, cooling_system_energy_efficiency_ratio_table_10c, space_heating_requirement_monthly, output_from_water_heater_monthly, water_heater_type, efficiency_of_water_heater, efficiency_of_water_heater_adjustment_table_4c, space_cooling_requirement_monthly, electricity_demand_mechanical_ventilation_fans_table_4f, electricity_demand_warm_air_heating_systems_fans_table_4f, electricity_demand_central_heating_pump_or_water_pump_table_4f, electricity_demand_oil_boiler_pump_table_4f, electricity_demand_boiler_flue_fan_table_4f, electricity_demand_keep_hot_facility_gas_combi_boiler_table_4f, electricity_demand_pump_for_solar_water_heating_table_4f, electricity_demand_pump_for_storage_WWHRS_Table_G3, annual_lighting_demand, electricity_generated_by_PV_appendix_M, electricity_generated_by_wind_turbine_appendix_M, electricity_used_or_generated_by_micro_CHP_appendix_N, electricity_generated_by_hydro_electric_generator_appendix_M, appendix_Q_energy_saved, appendix_Q_energy_used)[source]

Calculates Energy Requirements, Section 9a.

Parameters:

  • fraction_of_space_heat_secondary_system (float) – See (201).

  • fraction_of_space_heat_from_main_system_2 (float) – See (202).

  • efficiency_of_main_space_heating_system_1 (float) – See (206).

  • efficiency_of_main_space_heating_system_2 (float) – See (207).

  • efficiency_of_secondary_space_heating_system (float) – See (208).

  • cooling_system_energy_efficiency_ratio_table_10c (list of floats) – See (209).

  • space_heating_requirement_monthly (list of floats) – See (211).

  • output_from_water_heater_monthly (list of floats) – See (216).

  • efficiency_of_water_heater_table_4a (float) – See (216).

  • space_cooling_requirement_monthly (list of floats) – See (219).

  • electricity_demand_mechanical_ventilation_fans_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_warm_air_heating_systems_fans_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_central_heating_pump_or_water_pump_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_oil_boiler_pump_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_boiler_flue_fan_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_keep_hot_facility_gas_combi_boiler_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_pump_for_solar_water_heating_table_4f (float) – See (230) in kWh/yr.

  • electricity_demand_pump_for_storage_WWHRS_Table_G3 (float) – See (230) in kWh/yr.

  • electricity_for_lighting (float) – See (232) in kWh/yr.

  • electricity_generated_by_PV_appendix_M (float) – See (233) in kWh/yr.

  • electricity_generated_by_wind_turbine_appendix_M (float) – See (234) in kWh/yr.

  • electricity_used_or_generated_by_micro_CHP_appendix_N (float) – See (235) in kWh/yr.

  • electricity_generated_by_hydro_electric_generator,appendix_M (float) – See (235) in kWh/yr.

  • appendix_Q_energy_saved (float) – See (236) in kWh/yr.

  • appendix_Q_energy_used (float) – See (237) in kWh/yr.

Returns:

A dictionary with keys of ( fraction_of_space_heat_from_main_systems, fraction_of_total_space_heat_from_main_system_1, fraction_of_total_space_heat_from_main_system_2, space_heating_fuel_main_system_1, space_heating_fuel_main_system_2, space_heating_fuel_secondary_system, efficiency_of_water_heater_table_4a, fuel_for_water_heating_monthly, space_cooling_fuel_monthly, space_heating_fuel_used_main_system_1, space_heating_fuel_used_main_system_2, space_heating_fuel_used_secondary, water_fuel_used, space_cooling_fuel_used, electricity_for_pumps_fans_electric_keep_hot, energy_saving_generation_technologies_total, appendix_Q_energy_total, energy_for_lighting, total_energy_used )

  • fraction_of_space_heat_from_main_systems (float):

  • fraction_of_total_space_heat_from_main_system_1 (float):

  • fraction_of_total_space_heat_from_main_system_2 (float):

  • space_heating_fuel_main_system_1 (list (float)): See (211) in kWh/month.

  • space_heating_fuel_main_system_2 (list (float)): See (213) in kWh/month.

  • space_heating_fuel_main_system_secondary_system (list (float)): See (214) in kWh/month.

  • fuel_for_water_heating_monthly (list (float)): See (219) in kWh/month.

  • space_cooling_fuel_monthly (list (float)): See (221) in kWh/month.

  • space_heating_fuel_used_main_system_1 (float): See (211) in kWh/yr.

  • space_heating_fuel_used_main_system_2 (float): See (213) in kWh/yr.

  • space_heating_fuel_used_secondary (float): See (215) in kWh/yr.

  • water_fuel_used (float): See (219) in kWh/yr.

  • space_cooling_fuel_used (float): See (221) in kWh/yr.

  • electricity_for_pumps_fans_electric_keep_hot (float): See (230) in kWh/yr.

  • energy_saving_generation_technologies (float): See (230) in kWh/yr.

  • appendix_Q_energy (float): See (237) in kWh/yr.

  • total_energy_used (float): See (237) in kWh/yr.

Return type:

dict