CAISO prices surged in Q1 on falling hydroelectric output and increased costs for natural gas, the ISO’s Department of Market Monitoring told stakeholders.

The SPP MOPC failed to endorse a revision that would have required non-dispatchable variable energy resources (NDVERs) to register as dispatchable.

The SPP board approved a Tariff revision that incorporates a refund obligation for the RTO's nonpublic transmission-owning utility members.

SPP’s Marketing Monitoring Unit says it is concerned with a “marked increase” in the frequency of negative price intervals.

Lobbyists from Exelon have descended on Illinois lawmakers, warning that current energy prices and what renewable energy subsidies could force them to shut down three nuclear stations in the state.