Explore the largest battery storage projects expected to come online in Montana and see all proposed battery storage projects on a map.
Last updated: May 2026
On this page, you can explore our database of planned battery storage projects in Montana. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in Montana.
As of May 2026, there are 3 battery storage projects in development in Montana, according to Cleanview's project tracker. Their total planned capacity is 500 MW. See also: operating battery storage projects in Montana→
Planned Projects
3
Planned Capacity
500 MW
Unique Developers
2
Map of planned battery storage projects in Montana. Marker size reflects planned capacity.
250 MW
Expected Online: January 2028
Location: Slope, Montana
200 MW
Expected Online: December 2027
Location: Beaverhead, Montana
Developer: Unable to find
50 MW
Expected Online: December 2027
Location: Yellowstone, Montana
Developer: esVolta
Cleanview