According to the CEC, the Darden project is poised to become the largest solar-plus-storage project in the world, setting a new benchmark for utility-scale clean energy infrastructure and long-duration storage. Authorized under Assembly Bill 205, the Opt-In Certification program provides a consolidated state permitting option for eligible. The Darden Clean Energy Project, paired with 1. 1 GW of solar, will provide enough electricity to power 850,000 homes for four hours. An Intersect Power solar-plus-storage facility. Image: Intersect Power The California Energy Commission (CEC) approved the Darden Clean Energy Project, the first to. Rye Development is spearheading the project which, when operational, will store electricity for up to 12 hours and generate enough capacity to power about 500,000 homes and businesses in the growing region of southern Washington and northern Oregon. This ambitious project will integrate 1.