DOE Grants $1B Loan to Constellation Energy for Three Mile Island Reactor Restart

Why It Matters

The financing enables a major nuclear restart that could provide reliable, low‑carbon electricity for high‑consumption tech workloads, signaling growing corporate demand for firm clean energy and reinforcing federal support for nuclear as part of the U.S. clean‑energy strategy.

Deal Summary

The U.S. Department of Energy announced a $1 billion loan to Constellation Energy to refurbish Unit 1 at Three Mile Island, enabling the plant’s restart by 2028. The loan supports Constellation’s plan to supply Microsoft with 20 years of clean nuclear power for its data‑center and AI workloads.