El Centro Generating Station Unit 4 Repowering Project

The El Centro Generating Station Unit 4 Repowering Project, managed by the Imperial Irrigation District, involves the decommissioning of the existing natural gas fired boiler, known as Boiler 4, and its replacement with six reciprocating gas engine internal combustion engines. The project is located at 485 East Villa Avenue, El Centro, California. The project received official approval from the Imperial Irrigation District on September 2, 2025, with a Notice of Determination signed by the General Counsel on September 3, 2025. Environmental reviews, including an Environmental Impact Report and a Negative Declaration conducted under CEQA, concluded that the project will not have a significant effect on the environment, and no mitigation measures or monitoring plans were adopted. Administrative oversight is provided by the Imperial Irrigation District office in Imperial, California.