en.Wedoany.com Reported - Terra-Gen LLC has received approval from California to build a utility-scale project integrating solar power generation and battery energy storage in the state. The project plans for a solar capacity of up to 1.4 GW, along with a battery energy storage system with a rated power of 1,000 MW and an energy storage capacity of 8,000 MWh, designed for a discharge duration of approximately eight hours.

This project is one of the largest approved solar-plus-storage developments in the United States. Following approval, Terra-Gen will advance the project into the construction phase, utilizing the battery energy storage system to shift daytime solar power generation to evening and nighttime peak demand periods, thereby enhancing the reliability of California's power grid.

According to the plan, the project must complete grid interconnection work, including interconnection studies, substation upgrades, protection systems, and operational coordination, before it can be connected to the grid. In addition to peak shaving and load shifting, the battery energy storage system can also participate in ancillary services such as frequency regulation, backup power, and voltage support, and will feature grid-forming capabilities. As California continues to expand its deployment of renewable energy and storage, the large-scale development of this project reflects the state's investment in related technologies in pursuit of clean energy and carbon reduction goals. The subsequent advancement of the project also involves long-cycle equipment procurement, contractor mobilization, and phased commissioning.

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