The Department of Energy (DOE) has secured over 9,423 megawatts (MW) of new renewable energy (RE) commitments in its fourth Green Energy Auction (GEA-4) held on September 2, 2025. The figure represents 88% of the 10,653 MW installation target for this round, with 111 winning bids across solar, wind, and storage-backed projects.

Unsubscribed allocations, particularly for floating solar, onshore wind, and integrated solar with storage, will be reoffered to qualified developers under auction rules. Projects awarded are expected to deliver power between 2026 and 2029, subject to compliance with post-auction requirements such as performance bonds and system impact studies.

“The results of GEA-4 affirm the strong partnership between government and the private sector in driving RE deployment,” said Energy Secretary Sharon S. Garin. “By securing over 9,000 MW of new clean energy commitments, and by offering unsubscribed installation targets to other eligible bidders, we are ensuring that our transition is ambitious, inclusive, and resilient.”

In July, DOE released a list of qualified bidders for GEA-4, which covers solar, solar with storage, and onshore wind, identified as key technologies for the country’s clean energy transition.

GEA-4 builds on earlier auction rounds that have steadily expanded the country’s renewable energy pipeline. The first round in 2022 awarded nearly 2,000 MW, mostly from solar and onshore wind. GEA-2 raised commitments to around 3,440 MW, while GEA-3 in February 2025 drew more than 7,500 MW of offers against a 4,650 MW target–with 6,677 MW awarded–largely from pumped-storage and other hydropower projects.

With GEA-4 setting the biggest installation target so far, the DOE is underscoring its push for competitive, transparent auctions as a key tool in the energy transition. Alongside policies such as the Renewable Portfolio Standards, energy efficiency measures, and the rollout of smart grids and storage systems, the program is central to meeting government targets of 35% renewable share in the power mix by 2030, 50% by 2040, and above 50% percent by 2050.   

What impact do you think these new capacities will have on the grid, financing flows, and local supply chains? Join the discussion.

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