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Vistra OKs 860 MW Permian Gas Build, Signs 20-Year 1,200 MW Comanche Nuclear PPA

The twin moves respond to surging West Texas load growth tied to oilfield electrification.

Overview

  • Two new gas units at the Permian Basin plant will raise capacity from 325 MW to 1,185 MW, with operations targeted for 2028 at a total cost near $950 million, according to the company.
  • An SEC 8-K disclosed a 20-year agreement to supply 1,200 MW of carbon-free power from Comanche Peak to an investment-grade buyer, with deliveries beginning in Q4 2027 and ramping to full by 2032.
  • Vistra has not named the nuclear offtaker; Scotiabank noted the contract covers roughly half of Comanche Peak’s capacity, which left some investors wanting more detail.
  • ERCOT projects Permian demand to more than double by 2030, and Texas regulators have approved roughly $13–$15 billion in new transmission to move power to the region.
  • Vistra shares fell about 2% Monday as analysts weighed execution risks and timing, with Jefferies previously flagging Texas reliability and regulatory uncertainties despite long-term demand tailwinds.