Retrofit 5 multi-property residential buildings (24,310 m2)

{"document_type":"cluster","scis_id":"sharing-cities-site-milan_refurbished-building-s-_retrofit-5-multi-property-residential-buildings-24-310-m2-","cluster_type":"refurbished-building-s-","building_general":{"building_general_number_buildings":5,"building_general_number_monitored_buildings":5,"building_general_number_year_completion":2019},"building_general_technical":{"building_general_building_type":"residential","building_general_number_apartments":267,"building_general_number_inhabitants":423,"building_general_number_occupants":423,"building_general_total_gross_floor_area":25200,"old_building_general_total_heated_net_room_area":24310,"building_general_total_heated_net_room_area":24310},"new_building_interventions":{"high_performance_new_buildings":[{"key":"year_national_requirements","kpi_name":"Year - National Requirements","national_requirements":2017,"new_building_value":2017,"old_building_value":2017},{"key":"overall_average_htc_building","kpi_name":"overall average HTC of the building envelope surfaces","unit":"W\/(m\u00b2K)","old_building_value":1.8},{"key":"average_htc_roof","kpi_name":"average HTC roof ","unit":"W\/(m\u00b2K)","national_requirements":0.24,"old_building_value":1.8},{"key":"average_htc_facade_walls","kpi_name":"average HTC facade\/external walls","unit":"W\/(m\u00b2K)","national_requirements":0.28,"old_building_value":1.5},{"key":"average_htc_ground_floor","kpi_name":"average HTC ground floor","unit":"W\/(m\u00b2K)","national_requirements":0.29,"old_building_value":1.6},{"key":"average_htc_windows","kpi_name":"average HTC windows (frame and pane)","unit":"W\/(m\u00b2K)","national_requirements":1.4,"old_building_value":3.5},{"key":"average_energy_windows","kpi_name":"average energy transmittance of windows (g-value)","unit":"%","old_building_value":0.8}]},"new_building_ec":{"renewable_energy_sources":[{"installed_sources":"photovoltaic","renewable_energy_financial":{}}],"old_detailed_ec":[],"detailed_ec":[{"technology":"boiler","ec_name":"Domestic gas - grid-bound","building_service":"heating and DHW","ec_data_environmental":[{"key":"co2_greenhouse","label":"Greenhouse Gas Emissions (CO2-equivalent) factor","unit":"gCO2-equ\/kWh","factor":199.8,"reference":"305","source":"Eurostat"},{"key":"primary_energy_factor","label":"Primary Energy Factor","unit":"kWhPE\/kWhFE","factor":1.05,"reference":"1.36","source":"EN  Standard - 15603"},{"key":"energy_cost_year","label":"Year of collection of energy price","unit":"Year","factor":2020},{"key":"energy_cost","label":"Energy price (Energy carrier), excluding VAT, grants","unit":"\u20ac\/kWh","factor":0.087,"reference":"0.0664","source":"Eurostat"}],"ec_data_consumption":[{"key":"final_energy_input","label":"FINAL ENERGY INPUT","unit":"kWh\/a","value":2141954},{"key":"total_system_performance","label":"Overall System Performance (output divided by input)","unit":"%","value":70}],"ec_data_financial":[{"key":"total_investment","label":"Total investment costs","unit":"\u20ac"},{"key":"total_operating_costs","label":"Total operating costs","unit":"EUR\/a"},{"key":"grants","label":"Grants and subsidies","unit":"\u20ac"},{"key":"total_energy_cost","label":"Total energy costs","unit":"\u20ac\/a","calculation":"186349.998"},{"key":"dynamic_payback_period","label":"Dynamic payback period","unit":"a"}]}],"grid_electricity_price":"0.213","demo_site_fuel_cost":"0.07"},"new_building_kpis":{"technical":[{"key":"total_final_energy","kpi_name":"Total Final Energy Demand","unit":"kWh\/m2a"},{"key":"final_energy_demand_heating","kpi_name":"Final Energy Demand for Space Heating","unit":"kWh\/m2a","demo_building":49,"savings":16,"reference":65},{"key":"final_energy_demand_cooling","kpi_name":"Final Energy Demand for Cooling","unit":"kWh\/m2a","demo_building":0,"savings":0,"reference":0},{"key":"final_energy_demand_hot_water","kpi_name":"Final Energy Demand for Domestic Hot Water","unit":"kWh\/m2a","demo_building":15,"savings":8,"reference":23},{"key":"final_energy_demand_electricity","kpi_name":"Final Energy Demand Electricity","unit":"kWh\/m2a","demo_building":24,"savings":0,"reference":24}],"environmental":[{"key":"total_co2_emissions","kpi_name":"Total CO2 Emissions","unit":"kgCO2eq\/a","old_building_value":427962,"demonstration_building_programmed":"427962.40920000005"},{"key":"final_total_primary_energy_demand","kpi_name":"Total Primary Energy Demand","unit":"kWh\/m2a","old_building_value":200},{"key":"final_total_local_renewable_energy","kpi_name":"Total Share of Local Renewable Energy","unit":"%","old_building_value":0,"savings_programmed_overridden":50}],"economic":[{"key":"total_investment","kpi_name":"Total Investments (excl. 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