ERCOT staff have begun issuing price corrections and resettling 25 operating days affected by two market errors earlier this year. The Board of Directors approved the price corrections earlier this month, as the errors were not caught in time by staff to resettle the operating days on their own. Staff...

Facing growing uncertainty from intermittent resources, MISO and other grid operators must increase use of demand resources and provide market participants with tools to hedge risks, academics, consultants and others told the RTO’s Market Symposium this week. "The challenge facing ISOs around the world in the next decade or 15...

FERC on Monday placed an Iowa wind farm’s method for calculating reactive power rates into question, although it declined to initiate a blanket probe into similar NextEra Energy rate filings. The commission said NextEra Energy Resources’ Crystal Lake II wind farm in north-central Iowa may be improperly including operations and...

ERCOT staff told stakeholders last week they are working to reduce errors following two recent unrelated events that led to price corrections and resettlements. Kenan Ögelman, ERCOT’s vice president of commercial operations, shared with the Technical Advisory Committee the speaking points he will deliver to the Board of Directors during...

Observers last week cited dependence on uncontracted imports, underperformance of natural gas and wind, and market manipulation as possible causes of California’s first rolling blackouts in nearly two decades, as a state regulator cautioned against drawing premature conclusions. "It is not helpful to speculate on the root cause until we...

ERCOT is facing a collision of major system changes in 2024 when a new energy management system (EMS), real-time co-optimization (RTC) and energy storage and distributed generation resources will all be brought together. If handled correctly, ERCOT "will have as modern a system as operated by anyone in the world,...

NYISO continues to advance its Grid in Transition agenda, moving ahead with some energy and ancillary services (EAS) projects while suspending or combining others. The Business Issues Committee on Wednesday recommended the Management Committee approve the ISO’s Reserves for Resource Flexibility project to increase the portion of the total statewide...

Stakeholders at the PJM Operating Committee meeting on Thursday unanimously endorsed changes to Manual 1 to expand the use of synchrophasors and make them a requirement for certain projects under the Regional Transmission Expansion Plan (RTEP). Shaun Murphy of PJM reviewed updates to the Control Center and Data Exchange Requirements...