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Completed Projects
Battery Energy Storage
Rumford ESS
Rumford, ME -battery energy storage- 4.99 MW/10.00 MWh Development began 2018; construction began in 2020; commercial operation in 2021
Madison BTM
Madison ME -battery energy storage- 1.50 MW/3.00 MWh Development began 2018; commercial operation in 2019
Madison ESS
Madison, ME -battery energy storage- 4.99 MW/10.00 MWh Development began in 2018; commercial operation in 2019
Additional battery energy storage projects under development
Sanford ESS
Sanford, ME
4.99 MW/10.00 MWh
Development began 2018; construction expected to begin 2021; commercial operation expected 2022
South Portland ESS
South Portland, ME
10.00 MW/20.00 MWh
Development began 2018; construction expected to begin 2021; commercial operation expected 2022
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