Explore the largest battery storage projects in Washington and see all the utility-scale battery storage projects in Washington on a map.
Last updated: May 2026
On this page, you can explore our real-time database of battery storage projects in Washington. Each month, we track battery storage projects and update our list of the largest battery storage projects in Washington.
As of May 2026, there are 3 utility-scale battery storage projects in Washington, according to Cleanview's project tracker. Their total operating capacity is 4 MW. See also: planned battery storage projects in Washington→
Total Battery Storage Projects
3
Total Capacity
4 MW
Built in 2025
0
Map of battery storage projects in Washington. Marker size reflects capacity — only facilities with reported capacity data are shown.
Cleanview