Smaller solar farms can be constructed on top of large rooftops, like warehouses, “big box stores,” schools, factories… They have the advantage of pre-existing grid connections, but, do require climbing up on top of roofs.
https://www.nyc.gov/site/dcas/news/23-011/nyc-dcas-doubles-city-s-total-solar-capacity-less-three-years-agreement-nypaNYC DCAS Doubles City’s Total Solar Capacity in Less Than Three Years Announces Agreement with NYPA to Expand Clean Energy Generation at NYC Public Schools and NYC Department of Environmental Protection Wastewater Resource Recovery Facilities
September 22, 2023
The City’s Solar Capacity Will Grow From 22 Megawatts to More Than 50 Megawatts, Through the DCAS/NYPA Solar Project
10 MW Solar Installation Will Be Largest Clean Energy Installation at a Wastewater Treatment Facility Anywhere in the World
NEW YORK – NYC Department of Citywide Administrative Services (DCAS) Commissioner Dawn M. Pinnock today announced that since November 2020, the City of New York has completed 10 megawatts (MW) of solar photovoltaic (PV) projects on City properties; doubling the City’s total capacity to a total of 22 MW. This achievement equates to removing over 1,500 cars from city streets per year and reducing annual greenhouse gas emissions by 8,800 metric tons of carbon dioxide equivalent (MTCO2e).
Commissioner Pinnock, together with the New York Power Authority’s (NYPA) President and Chief Executive Officer Justin E. Driscoll, also announced that construction will begin this fall to install solar PV systems at over 60 City-owned buildings in Brooklyn and Queens. Through an agreement between the City and the state Power Authority, this work will add over 30 MW of solar PV generating capacity and up to 10 MW of large-scale battery storage to provide energy to power City operations. The 60-plus City-owned buildings will be made up of New York City public school rooftops and six Department of Environmental Protection (DEP) wastewater resource recovery facilities (WRRFs), including installations at the Wards Island WRRF, which is projected to be the largest clean energy installation at a wastewater treatment facility anywhere in the world. The addition of these clean energy installations along with other active solar installations will bring the City’s total solar capacity to 70 MW after construction is complete. By the end of 2025, DCAS will be providing the annual electricity equivalent of roughly 11,500 NYC homes.
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https://www.nyc.gov/assets/dcas/downloads/pdf/energy/NYC_Municipal_Solar_Installations.pdf
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