As of December 17, 2024, MN8 Energy announced that it will own and operate the 135MWac Prairie Solar project in Champaign County, Illinois, which includes 50MWac of capacity dedicated to the City of Cambridge’s groundbreaking virtual power purchase agreement (VPPA). [1] The project will support the largest VPPA ever undertaken by a US city. The City of Cambridge’s 50MWac portion will generate 113,000 MWh of clean energy annually, enough to cover the average electricity consumption of over 25,000 households in Cambridge. Boston-based Sustainability Roundtable, Inc. facilitated the City of Cambridge’s transaction through their Net Zero Consortium for Buyers (NZCB). The NCZB is a buyer’s community for utility-scale clean energy. The project is located on the MISO grid, where only 32% of energy comes from low-carbon sources. This means it will deliver 2.6 times the emissions reductions compared to equivalent solar generation in Massachusetts. The project is expected to achieve commercial operation by 2026. Cambridge’s 50MWac portion is expected to avoid 70,510 metric tons of CO2 emissions annually by replacing fossil fuel generation.
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