Planned battery storage projects in Connecticut
Developers have proposed 6 battery storage projects in Connecticut with 0.7 GW of capacity, in the grid operators' interconnection queues.
- Planned6
Under 50 MW50–249 MW250 MW and up
Updated monthly. Last updated November 2026.
The largest planned battery storage projects in Connecticut
Planned, by capacity
| # | Battery storage project | Expected online | Capacity |
|---|---|---|---|
| 1 | Elevate Middletown | 2027 | 275 MW |
| 2 | Naugatuck Avenue Battery Storage | 2028 | 205 MW |
| 3 | Battery Storage | 2029 | 142 MW |
| 4 | KCE CT 1, LLC | 2031 | 45 MW |
| 5 | Pure Hedge LLC | 2027 | 20 MW |
Planned battery storage projects expected online soonest in Connecticut
In the next 18 months, soonest first
| # | Battery storage project | Expected online | Capacity |
|---|---|---|---|
| 1 | Pure Hedge LLC | 2027 | 20 MW |
| 2 | Elevate Middletown | 2027 | 275 MW |
The developer behind each project is on paid plans. See plans
How Cleanview tracks battery storage projects
Operating battery storage projects come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.
Questions about battery storage projects in Connecticut
- How many battery storage projects are planned in Connecticut?
- Developers have proposed 6 battery storage projects in Connecticut with 0.7 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
- What is the largest planned battery storage project in Connecticut?
- Elevate Middletown in Middlesex County, Connecticut is the largest planned, at 275 MW. It is expected to come online in 2027.
- Who is developing battery storage projects in Connecticut?
- Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.
More energy trackers for Connecticut
Planned battery storage projects in other states
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