WEIM

Seven major U.S. grid operators have raised a unified alarm about an impending capacity crunch, warning that the pace and scale of explosive demand—including from data centers, manufacturing, and electrification—pose a precarious misalignment with accelerating generator retirements and transmission constraints. At a March 25 hearing before the House Energy and Commerce Subcommittee on Energy, the […]

Grid operators across the U.S. report they are largely prepared for the total solar eclipse that will pass over a large swath of North America on April 8, though they remain vigilant, monitoring for any unexpected shifts in power generation or demand that could test the power system’s resilience. The much-anticipated solar eclipse will begin […]

The Federal Energy Regulatory Commission (FERC) has unanimously approved the California Independent System Operator’s (CAISO’s) Day-Ahead Market Enhancements (DAME) and Extended Day-Ahead Market (EDAM) proposal, effectively allowing new market options to address challenges caused by increasing system variability and uncertainty in the West. FERC’s decision issued on Dec. 20, for the most part, accepts CAISO’s […]

The Western Energy Imbalance Market (WEIM), a real-time energy market operated by the California Independent System Operator (CAISO), has gained three new participants, including its first generation-only entity. CAISO on April 5 announced the Western Area Power Administration (WAPA) Desert Southwest region, El Paso Electric (EPE), and AVANGRID have formally begun participation in the WEIM. […]

Drought in California could nearly halve the state’s hydroelectric generation this summer, pushing up wholesale power prices in the West, and forcing the state to rely on natural gas generation and out-of-state imports, the Energy Information Administration (EIA) projects in a new analysis. The EIA suggests in a supplement to its May 2022–released Short-Term Energy Outlook […]