Completed Projects

Battery Energy Storage

Rumford ESS
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 BTM

Madison ME -battery energy storage- 1.50 MW/3.00 MWh Development began 2018; commercial operation in 2019

Madison ESS
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