Exelon Corporation and NextEra Energy Transmission announced a joint venture to construct a 220‑mile, 765‑kV high‑voltage transmission line that will cross Pennsylvania and West Virginia. The line will connect to existing substations that serve residential and commercial customers in the region, expanding Exelon’s transmission network and creating a new pathway for future power delivery.
The project is part of PJM Interconnection’s 2025 Regional Transmission Expansion Plan and is designed to support the growing demand for electricity from data‑center development and other high‑density loads. The 765‑kV line can transfer roughly 7 GW of power, about 2–3 times the capacity of a 500‑kV line, and is expected to reduce transmission losses by up to 50 %. The line will help the region meet projected data‑center load growth of 12 GW by 2035, a figure that aligns with Exelon’s own pipeline estimates of 11–33 GW of new data‑center capacity.
The joint venture structure and financing terms have not been disclosed, but NextEra’s role as a leading competitive transmission operator is expected to provide both expertise and capital. The PJM Board is expected to vote on final approval in early 2026, and the first segment of the line is slated for service in the mid‑2020s. Environmental and permitting studies are underway, with the project subject to the standard federal and state review processes.
John Ketchum, Chairman and CEO of NextEra Energy, said the partnership would deliver a stronger, more resilient grid that improves access to low‑cost energy for millions of families and businesses. Exelon President and CEO Calvin Butler added that the collaboration would strengthen the company’s grid, drive economic growth, and ensure reliable, affordable power for the region.
The transmission line represents a key investment in grid modernization that will support the region’s electrification and AI‑driven growth. By providing a high‑capacity corridor, the project will reduce congestion, lower losses, and enable new data‑center and industrial development, positioning both companies to capture a larger share of the region’s future electricity demand.
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