CAISO scored a geographically small but symbolically significant victory with the announcement that two Black Hills Energy subsidiaries will move to the ISO’s Western Energy Imbalance Market.

More than 40 Montana organizations petitioned the state’s Public Service Commission to consider climate impacts when issuing utility rulemakings.

A Montana court has invalidated an air quality permit and ordered a halt on construction of NorthWestern Energy’s planned methane plant.

Backers of a proposal intended to draw federal funding to create a hydrogen hub in the Pacific Northwest say their application is ready to be submitted.

State legislatures across MISO are undertaking a flurry of activity on rights of first refusal legislation as major transmission planning surges.

Louisiana PSC's Lambert Boissiere is headed for a runoff against an environmental activist in one of nine states whose regulators faced voters election night.

Dozens of Montana organizations are demanding that NorthWestern Energy decarbonize by 2035, years ahead of its new midcentury target for net-zero emissions.

The development of a single RTO covering the U.S. portion of the Western Interconnection could save $2 billion a year in energy costs by 2030, study says.

During a meeting of the Western Conference of Public Service Commissioners, regulators shared strategies for dealing with heat waves, cold snaps and wildfires.