WEIM Emissions Attribution Rules Apply to EDAM, Wash. Agency Clarifies
Washington Department of Ecology headquarters in Lacey, Wash. | McGranahan Architects
Sep 3, 2025
|
Washington’s Ecology Department clarified that cap-and-invest rules that apply to CAISO’s Western Energy Imbalance Market also will cover the ISO’s Extended Day-Ahead Market when it begins operations in 2026.
