After more than six months of operations under its Market Renewal Program, IESO is implementing “non-substantive” rule changes it says will improve clarity and alignment.

MISO said even a 109-GW peak this winter shouldn’t prove problematic, though a more probable scenario would deliver a 103-GW peak in January.

Panelists at S&P Global’s Nodal Trader Conference discussed the impact of demand growth and uncertain load forecasts on markets.

ERCOT can ensure long-term reliability with its energy-only market, but it must operate its grid less conservatively for that to happen, said Potomac Economics President David Patton.

Capacity auction reforms, a new asset condition reviewer role, parallel transmission planning efforts, new reserve products, Pay-for-Performance changes and interconnection modifications are likely to be on the docket for ISO-NE in 2026.

As NYISO continues its Capacity Market Structure Review, the Market Monitoring Unit used its second-quarter State of the Market report to highlight potential issues with how the ISO forecasts resource availability.

MISO said 2025 was the most demanding summer since 2012, though it steered the grid with only a single maximum generation event.

PJM's Operating Committee heard an update on the Aug. 11 load-shedding event in Baltimore, which brought 20 MW offline for about half an hour following equipment failures at the Brandon Shores substation

MISO is poised to close the door on summer with an almost 122-GW peak while issuing several capacity advisories for MISO South.

NYISO shared a detailed analysis of New York’s late June heat wave, in which significant operating reserve shortages elevated energy prices.