Vistra Energy's deal to buy Energy Harbor ran into opposition at FERC, where parties argued it would harm Ohio's retail market and further concentrate PJM's wholesale market.

FERC ordered ISO-NE to reconsider its market mitigation rules because of an “unanticipated and highly atypical” situation that pushed prices higher Dec. 24.

ISO-NE stakeholders approved a proposed filing on DERs but rejected the RTO’s concerns in backing Ocean State Power's bid to remain a capacity resource.

The Texas PUC has asked the state’s Texas Supreme Court to overturn a recent appeals court ruling that could unwind market transactions during Winter Storm Uri.

FERC approved the latest set of CAISO tariff changes meant to promote participation by storage, distributed energy and DR resources in its markets.

FERC Commissioner Mark Christie blasted Chair Richard Glick and Commissioner Allison Clements for opposing the Southeast Energy Exchange Market (SEEM).

PJM asked FERC to delay the Dec. 1 capacity auction by almost two months, citing the commission’s recent revision to auction rules.

NYISO proposed to exempt most new ICAP suppliers from buyer-side market power mitigation evaluation if they use solar, wind, storage or demand response.

PJM stakeholders voted overwhelmingly in support of the RTO’s proposal to eliminate a capacity market rule that undermined state decarbonization efforts.

SPP’s board and Members Committee met outside of their normal quarterly schedule to consider a number of pressing issues.