OPAL Fuels signs five-year extension to operate landfill gas-to-power project at Miramar Landfill for the City of San Diego

Type: Partnership · Technology: Biomass · Country: United States · Announced: 2026-09-23

OPAL Fuels agreed to a five-year extension with the City of San Diego to continue operating the landfill gas (LFG) to electricity project at Miramar Landfill, continuing a partnership that began in 1998 under predecessor Fortistar. The extension covers operations that will generate approximately 400,000 MWh of local renewable electricity over the five-year term, supplying the City of San Diego and supporting Marine Corps Air Station Miramar's energy security. The Miramar project captures methane from the landfill in San Diego, California, and converts it into locally produced power that reduces reliance on the regional grid and mitigates methane emissions identified by the US EPA as a major source of human-related emissions. For 28 years OPAL Fuels and the City have operated a public-private arrangement at Miramar, and the announcement on 2026-09-23 continues that operational partnership into the next decade. The article cites the project's environmental benefit—capturing methane that would otherwise be released—and its role in providing renewable electricity to more than 6,000 average US homes annually as part of local infrastructure and resilience objectives.

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