Vistra Corp. (NYSE:VST) and Constellation Energy Corporation (NASDAQ:CEG) shares are trading higher today after the release of results of the annual power market auction by PJM Interconnection, the largest U.S. electrical grid operator. Yesterday, PJM Interconnection disclosed the results of its 2025-2026 capacity auction, with prices for power plants reaching $269.92 per megawatt-day, up from $28.92 per megawatt-day in the previous year’s auction. The 2025/2026 RPM Base Residual Auction cleared 135,684 MW of capacity from non-energy efficiency resources for annual, summer, and winter periods, resulting in ...