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U.S. Department of Energy finalizes $26.5 billion loan for Southern Company power grid expansion
Wednesday, February 25, 2026 at 09:55 PM
The U.S. Department of Energy finalized a $26.5 billion loan to Southern Company subsidiaries to enhance power infrastructure. The package supports 16 GW of capacity including new gas plants, nuclear upgrades, and battery storage alongside 1,300 miles of transmission lines in Georgia and Alabama to bolster grid reliability.
Context
The U.S. Department of Energy has finalized a historic $26.5 billion loan package for Southern Company subsidiaries, marking the largest financing in the agency’s history. This 30-year capital infusion supports a massive 16 GW grid expansion designed to accommodate the Southeast’s surging energy needs, primarily driven by AI data centers and semiconductor manufacturing. Infrastructure projects include 5 GW of new natural gas capacity, 6 GW in nuclear power upgrades, and over 1,300 miles of transmission lines across Georgia and Alabama.
For investors, this deal provides critical low-cost capital for Southern Company’s recently expanded $81 billion five-year spending plan. The financing is expected to reduce annual interest expenses by $300 million, helping the utility manage a 75 GW pipeline of potential data center demand from hyperscalers. By securing reliable baseload power through 2030, the company solidifies its position as a critical infrastructure backbone for the domestic AI supply chain.
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