Gateway Cities Unplugged: (em)Powering Affordable Housing

Summary

The U.S. Department of Energy's "Gateway Cities Unplugged" project aimed to integrate Grid-Interactive Efficient Building (GEB) technologies into six affordable multifamily properties in Massachusetts, Connecticut, and New York. The project successfully completed Budget Period 1, exceeding its Go/No-Go criteria by identifying 1,516 to 1,639 kW of load flexibility across the portfolio, which represents 78% of peak summer demand, significantly more than the target of 500 kW (30-min) and 175 kW (4-hour) load flexibility. Key findings included the technical feasibility of solar PV and Battery Energy Storage Systems (BESS) at all sites, with BESS contributing two-thirds of the total load flexibility. Financial analysis revealed stackable revenue streams of $210–$470/kW, and the GEB Calculator was developed to estimate annual revenues, such as $58,119 for Mystic North Building. The project's total direct expenditure during Budget Period 1 was $4.66 million, with DOE contributing $1.63 million and cost-share contributions exceeding plan at $3.02 million.

Key Facts

Source Document

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