Articles from BHE Montana
BHE Montana today announced it has signed an implementation agreement to participate in the California Independent System Operator’s (CAISO) Extended Day-Ahead Market (EDAM), a significant step that will enhance the company’s ability to serve customers reliably and efficiently while strengthening coordination across the Western power grid.
By BHE Montana · Via Business Wire · August 10, 2026

BHE Montana today broke ground on the Glacier Battery System, a new 75-megawatt battery with two hours of energy storage located in Cut Bank, Montana.
By BHE Montana · Via Business Wire · September 11, 2024

BHE Montana announced today it intends to join California Independent System Operator’s Extended Day-Ahead Market – also referred to as the EDAM – following its entry into the Western Energy Imbalance Market. Upon joining the regional markets, BHE Montana will add 397.5 megawatts of clean energy generation from three windfarms and 75 megawatts of a battery energy storage system. In June 2024, BHE Montana also announced plans to develop Glacier Solar Park, a new 100-megawatt solar generation project.
By BHE Montana · Via Business Wire · August 29, 2024

BHE Montana announced today it has joined the California Independent System Operator’s Western Energy Imbalance Market – also referred to as the WEIM – through the execution of its WEIM implementation agreement on October 30, 2023. BHE Montana will be the first company that operates both a generation only and renewable only balancing authority to join the WEIM, adding 399 megawatts of clean energy generation from three windfarms and 75 megawatts of a battery energy storage system. BHE Montana’s participation in the WEIM will bring enhanced reliability to the energy grid within the Western Electricity Coordinating Council, a system covering 14 Western states, two Canadian provinces and the northern portion of Baja California, Mexico.
By BHE Montana · Via Business Wire · November 3, 2023