Search
December 5, 2025

Cheyenne Light Fuel and Power

NorthWestern Energy
Black Hills-NorthWestern Merger Could Reshape Western Market Map

The proposed merger between Black Hills Corp. and NorthWestern Energy likely will reshape the map in the competition between CAISO’s Extended Day-Ahead Market and SPP’s Markets+ — but it’s still too early to know where new boundaries will be drawn.

Wyoming Business Council
Pathways ‘Step 2’ Plan Elicits Praise, Concerns — and Advice
A workshop on the West-Wide Governance Pathways Initiative has sparked praise for the proposal as well as concerns, including uneasiness over plans to share staffing between CAISO and a new regional organization that would govern Western electricity markets.
Black Hills Energy
CAISO’s WEIM Plucks Black Hills Utilities from SPP’s WEIS
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.

Want more? Advanced Search