Conversations remained cordial despite the ongoing competition between CAISO and SPP in the west as the RTOs’ top executives took the stage at Yes Energy’s annual EMPOWER conference.

Black Hills Energy and PowerWatch are to join CAISO’s Western Energy Imbalance Market, extending the market’s geographical reach into South Dakota, the ISO announced.

The California Public Utilities Commission ordered 6 GW of new capacity to meet forecast data center and electric vehicle loads — among other new demand — in the state.

A federal judge in Oregon ordered increased spill levels at eight dams on the Columbia and Snake rivers in order to protect endangered salmon species, rejecting claims that doing so would impede power generation.

CAISO released a set of guiding principles for upcoming discussions about seams between the ISO, SPP and other entities as the Extended Day-Ahead Market nears its opening in May.

FERC has rescinded the West-wide wholesale electricity price cap mechanism it implemented in response to widespread price manipulation during the Western energy crisis of 2000/01, saying development of new markets and expanded authority has led to improved monitoring capabilities.

Edison International earnings rose nearly 32% in 2025 despite the uncertainty swirling around its Southern California Edison subsidiary, which has been implicated in sparking the January 2025 Eaton Fire

California Public Utilities Commission President Alice Reynolds is leaving the CPUC and joining CAISO’s Board of Governors after more than four years at the helm of the state’s utility regulator.

Portland General Electric has agreed to buy most of PacifiCorp’s Washington utility operations for $1.9 billion.

CAISO’s Western Energy Imbalance Market surpassed $8 billion in cumulative economic benefits since its 2014 launch after providing participants with $415.65 million in gross benefits in the fourth quarter of 2025, according to an ISO report.