Interconnection queue › Connecticut › Storage
Snapshot of 2026-08-09 · 61 projects
61 storage projects are in the interconnection queue with a Connecticut location, totalling 8,296 MW across the 61 that publish a capacity.
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| ISO | Projects | Capacity |
|---|---|---|
| ISO-NE | 61 | 8,296 MW |
| Status | Projects |
|---|---|
| (not published) | 61 |
| County | Projects | Capacity |
|---|---|---|
| New Haven | 14 | 2,108 MW |
| Hartford | 14 | 1,832 MW |
| New London | 13 | 1,614 MW |
| Middlesex | 7 | 710 MW |
| Windham | 6 | 1,137 MW |
| Fairfield | 4 | 567 MW |
| Litchfield | 3 | 328 MW |
The 12 highest-capacity rows in this page's exact scope, ordered by the capacity the ISO published. Projects without a published capacity are not ranked here and remain included in the totals above.
| Project | ISO | County | MW | Status | Queue date | Proposed operation |
|---|---|---|---|---|---|---|
| Battery Storage | ISO-NE | Hartford | 326 | not published | 7/7/2023 | 2/2/2029 |
| Battery Storage | ISO-NE | New Haven | 326 | not published | 3/29/2023 | 4/1/2027 |
| Battery Storage | ISO-NE | Windham | 325 | not published | 11/9/2021 | 5/12/2028 |
| Battery Storage | ISO-NE | Middlesex | 305 | not published | 6/9/2023 | 11/20/2026 |
| Battery Storage | ISO-NE | Windham | 300 | not published | 6/26/2023 | 6/1/2028 |
| Battery Storage | ISO-NE | New London | 300 | not published | 8/29/2023 | 6/1/2028 |
| Battery Storage | ISO-NE | New Haven | 300 | not published | 1/2/2024 | 6/30/2027 |
| Battery Storage | ISO-NE | New London | 289 | not published | 2/6/2023 | 10/1/2027 |
| Battery Storage | ISO-NE | Middlesex | 289 | not published | 2/6/2023 | 10/1/2024 |
| Battery Storage | ISO-NE | New Haven | 263 | not published | 2/6/2023 | 10/1/2027 |
| Battery Storage | ISO-NE | New London | 257 | not published | 8/11/2023 | 9/30/2028 |
| Battery Storage | ISO-NE | Hartford | 238 | not published | 12/12/2023 | 1/31/2027 |
| ISO | We last read | Source last changed | Source |
|---|---|---|---|
| ISO-NE | 2026-08-09 | 2026-08-09 | source file |
Compiled from each ISO's own published interconnection queue report. Queue position is not a permit, a contract, or a guarantee that a project will be built; most projects in every queue are eventually withdrawn. Figures are reproduced as published, are provided for informational purposes only, and carry no warranty of accuracy or completeness. Always verify against the ISO's own report before relying on any figure.