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.

California’s new climate reporting requirements are being carefully designed to minimize duplication of efforts once the SEC catches up.

Federal production tax credits for green hydrogen will depend on the "cleanliness" of the power used to produce it.

NYISO gave ICAP/MIWG proposed methodology for measuring implied marginal emission rates to increase transparency around New York’s emissions output.

Rhode Island’s climate council sought comments on which emissions to count in an upcoming emissions-reduction plan update and how to net those emissions.