Battery storage projects in Connecticut

2 operating battery storage projects in Connecticut with 2 MW of battery capacity, largest first. From EIA-860M, August 2026.

Projects

Battery capacity

2 MW

Net generation, 2025

8.10 GWh

Largest

CMEEC - Polaris Park Solar Hybrid

1 MW

Largest battery storage projects in Connecticut

#	Plant		Battery MW	2025 net generation, GWhGWh, 2025	Operator
1	CMEEC - Polaris Park Solar HybridNew London County · Solar		0.8	4.5	Tesla Inc.
2	CMEEC - Norwich Stott St Solar HybridNew London County · Solar		0.8	3.6	Tesla Inc.

Every project with battery storage, solar and wind hybrids included. MW is battery nameplate only; net generation covers the whole project. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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All plants in Connecticut Largest battery storage projects in the US