Vistra Completes Cogentrix Deal, Adding an Estimated 5,500 MW of Gas Plants
Vistra closed its purchase of Cogentrix Energy, adding 10 modern natural gas plants that total 5,496 megawatts across three major U.S. power markets, according to an 8-K and news release filed Wednesday.
The Irving, Texas-based generator said the Oct. 30, 2026 closing followed receipt of all required regulatory approvals. It bought the portfolio from funds managed by Quantum Capital Group. Vistra described the Cogentrix fleet as an estimated 5,500 megawatts of capacity and said the combined company now operates an estimated 50,000 megawatts of generation across the United States.
The plants sit in PJM, ISO New England and ERCOT. Vistra’s exhibit lists Patriot and Hamilton-Liberty in Pennsylvania (881 MW each, combined-cycle), Lakewood in New Jersey (286 MW), Rock Springs in Maryland (740 MW combustion turbine), Ocean in New Jersey (375 MW), Newington in New Hampshire (624 MW), Bridgeport in Connecticut (558 MW), Tiverton in Rhode Island (297 MW), Rumford in Maine (271 MW), and Altura Cogeneration in Texas (583 MW). Vistra said it acquired 100% ownership of each plant, including the 25% interests in Patriot and Hamilton-Liberty that Cogentrix did not previously own.
President and CEO Jim Burke called natural gas critical to meeting growing power demand and said the Cogentrix assets are a strong strategic fit. He pointed to Vistra’s record integrating Energy Harbor’s nuclear fleet in March 2024 and seven Lotus Infrastructure Partners gas plants in October 2025.
The 8-K says Vistra Operations Company LLC completed a purchase of Q-Generation, LLC interests under a Purchase and Sale Agreement with Q-Generation Holdings, LLC, then merged a subsidiary into Hamilton Holdings II, LLC so the surviving company became wholly owned inside the acquired structure. Items 2.01, 2.03, 3.02 and 7.01 accompany the close, covering the asset acquisition, related financing or obligations disclosed in the filing, equity issuance details if any, and Regulation FD materials.
For retail investors watching power names tied to AI and data-center load growth, the filing confirms Vistra has finished assembling another large gas block in markets where capacity prices and power demand have been firm.
By the numbers
- Plants acquired: 10
- Nameplate capacity listed: 5,496 MW
- Company description of added capacity: an estimated 5,500 MW
- Markets: PJM, ISO New England, ERCOT
- Combined portfolio after close: an estimated 50,000 MW, Vistra said
- Closing date: Oct. 30, 2026
Sources
- Vistra Corp. Form 8-K with Exhibit 99.1 news release on Cogentrix close, filed Nov. 5, 2026 (accession 0001140361-26-042013)
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