western energy imbalance market

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. […]

FOLSOM, Calif. (March 2, 2022) – Avista Utilities and Tacoma Power, two utilities serving a combined 600,000 electric customers in the Pacific Northwest, are the newest members of the Western Energy Imbalance Market (WEIM), with both beginning their participation today. Avista Utilities, which serves more than 400,000 electric customers in Washington and Idaho, and Tacoma […]

New distributed energy resources (DERs) are being added to the power grid every day. However, DERs don’t automatically provide owners with the greatest value possible. In many cases, that requires the help of an aggregator, that is, a company that specializes in managing DERs owned by a pool of clients and optimizing performance of the […]

The California Independent System Operator’s Energy Imbalance Market (EIM) is a real-time energy market, the first of its kind in the western U.S. EIM’s advanced market systems automatically find low-cost