Ameresco Inc. and United Power signed a 20-year agreement for the installation of a multiple site,  8.3 MW, 313.34 MWh battery storage system, according to a July 10 press release.

Under the contract, Ameresco will provide battery arrays to eight different substation sites—four with a 11.75 MW capacity and four with 7.84 MW capacity. These United Power substation sites are located throughout Adams, Broomfield and Weld counties, Colorado. The arrays’ installation will enhance the resiliency of United Power’s grid.

“These battery arrays will allow us to balance our power needs throughout the day and incorporate local renewables more efficiently,” said Mark A. Gabriel, president and CEO of United Power.

Jon Mancini, senior VP of solar project development for Ameresco, emphasized the global importance of energy storage to provide clean and sustainable power.

“Energy storage plays a crucial role in enhancing grid reliability, optimizing renewable energy utilization and fostering a resilient and efficient energy future,” Mancini said.

Ameresco expects the battery energy storage system will be placed in service starting in 2024, according to the release.