Explore the largest battery storage projects in SPP and see all the utility-scale battery storage projects in SPP on a map.
Last updated: May 2026
On this page, you can explore our real-time database of battery storage projects in SPP. Each month, we track battery storage projects and update our list of the largest battery storage projects in SPP.
As of May 2026, there are 14 utility-scale battery storage projects in SPP, according to Cleanview's project tracker. Their total operating capacity is 452 MW. In 2025, there were 4 battery storage projects built in SPP. See also: planned battery storage projects in SPP→
Total Battery Storage Projects
14
Total Capacity
452 MW
Built in 2025
4
Map of battery storage projects in SPP. Marker size reflects capacity — only facilities with reported capacity data are shown.
252 MW
Year Operational: December 2025
Location: Garfield, Oklahoma
Developer: NextEra Energy
65 MW
Year Operational: May 2025
Location: Garfield, Oklahoma
Developer: NextEra Energy
65 MW
Year Operational: May 2025
Location: Grady, Oklahoma
Developer: NextEra Energy
40 MW
Year Operational: May 2025
Location: Woodward, Oklahoma
Developer: NextEra Energy
10 MW
Year Operational: March 2020
Location: Grady, Oklahoma
6 MW
Year Operational: July 2019
Location: Washington, Arkansas
6 MW
Year Operational: July 2019
Location: Washington, Arkansas
2 MW
Year Operational: November 2022
Location: Franklin, Iowa
2 MW
Year Operational: December 2020
Location: Dakota, Nebraska
252 MW
Year Operational: December 2025
Location: Garfield, Oklahoma
Developer: NextEra Energy
65 MW
Year Operational: May 2025
Location: Garfield, Oklahoma
Developer: NextEra Energy
65 MW
Year Operational: May 2025
Location: Grady, Oklahoma
Developer: NextEra Energy
40 MW
Year Operational: May 2025
Location: Woodward, Oklahoma
Developer: NextEra Energy
1 MW
Year Operational: March 2023
Location: Cass, Nebraska
2 MW
Year Operational: November 2022
Location: Franklin, Iowa
1 MW
Year Operational: June 2021
Location: Burt, Nebraska
1 MW
Year Operational: June 2021
Location: Dodge, Nebraska
2 MW
Year Operational: December 2020
Location: Dakota, Nebraska
Cleanview