Middlesex County, Connecticut — Interconnection Projects
The interXdata warehouse tracks 55 interconnection projects in Middlesex, Connecticut, representing 4,829 MW of requested capacity.
55Total projects
2Active
31Operational
18Withdrawn
4,829 MWRequested capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Gas | 16 | 2,879 MW |
| Battery | 25 | 1,269 MW |
| Other | 10 | 675 MW |
| Solar | 4 | 6 MW |
Projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Kleen Energy Project | 95 | Gas | 619.8 MW | operational | Middlesex, Connecticut |
| Middletown | 562_4 | Other | 414.9 MW | suspended | Middlesex, Connecticut |
| Gas Turbine Repowering | 648 | Gas | 376.0 MW | withdrawn | Middlesex, Connecticut |
| Simple Cycle Combustion Turbine Repowering (alternative to Q647) | 879 | Gas | 376.0 MW | withdrawn | Middlesex, Connecticut |
| Battery Storage | 1403 | Battery | 304.7 MW | withdrawn | Middlesex, Connecticut |
| Kleen Energy Systems | 56798_ST | Gas | 295.0 MW | operational | Middlesex, Connecticut |
| Battery Storage | 1354 | Battery | 289.3 MW | withdrawn | Middlesex, Connecticut |
| Battery Storage Addition | 1394 | Battery | 284.1 MW | withdrawn | Middlesex, Connecticut |
| Elevate Middletown | 66786_ELVMT | Battery | 275.0 MW | active | Middlesex, Connecticut |
| Middletown | 562_3 | Gas | 239.4 MW | suspended | Middlesex, Connecticut |
| Middletown 12, 13, 14 and 15 | 161 | Gas | 215.0 MW | operational | Middlesex, Connecticut |
| Kleen Energy Systems | 56798_U2 | Gas | 199.0 MW | operational | Middlesex, Connecticut |
| Kleen Energy Systems | 56798_U1 | Gas | 199.0 MW | operational | Middlesex, Connecticut |
| Middletown | 562_2 | Gas | 113.6 MW | suspended | Middlesex, Connecticut |
| Middletown 11 | 161 | Gas | 107.5 MW | withdrawn | Middlesex, Connecticut |
| Gas Turbine | 160 | Gas | 82.2 MW | withdrawn | Middlesex, Connecticut |
| Battery Storage | 1262 | Battery | 80.9 MW | withdrawn | Middlesex, Connecticut |
| GenConn Middletown LLC | 57068_15 | Other | 60.5 MW | operational | Middlesex, Connecticut |
| GenConn Middletown LLC | 57068_12 | Other | 60.5 MW | operational | Middlesex, Connecticut |
| GenConn Middletown LLC | 57068_14 | Other | 60.5 MW | operational | Middlesex, Connecticut |
| GenConn Middletown LLC | 57068_13 | Other | 60.5 MW | operational | Middlesex, Connecticut |
| Gas turbine repowering | 647 | Gas | 23.0 MW | withdrawn | Middlesex, Connecticut |
| Gas turbine repowering (Alt. to Q647) | 894 | Gas | 23.0 MW | withdrawn | Middlesex, Connecticut |
| EE CT DER Group Study | 1539 | Battery | 20.0 MW | withdrawn | Middlesex, Connecticut |
| Middletown | 562_10 | Other | 18.5 MW | suspended | Middlesex, Connecticut |
| Battery Storage | 1360 | Battery | 10.0 MW | withdrawn | Middlesex, Connecticut |
| UTC - P&WA | 158 | Gas | 7.5 MW | operational | Middlesex, Connecticut |
| Battery Storage | 1348 | Battery | 5.1 MW | withdrawn | Middlesex, Connecticut |
| Wesleyan University Cogen 1 | 58158_1 | Gas | 2.4 MW | operational | Middlesex, Connecticut |
| CP East Hampton I & II Solar | 68327_EHAMP | Solar | 2.0 MW | operational | Middlesex, Connecticut |
| FedEx Middletown | 65046_VCP15 | Solar | 1.5 MW | operational | Middlesex, Connecticut |
| CP Middletown Solar I LLC | 63374_CPMI1 | Solar | 1.0 MW | operational | Middlesex, Connecticut |
| CP Middletown Solar II LLC | 63375_CPMI2 | Solar | 1.0 MW | operational | Middlesex, Connecticut |
| FDX010.0 FedEx Fuel Cell | 64753_FDX10 | Gas | 1.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00488 | ESS-00488 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00326 | ESS-00326 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00489 | ESS-00489 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00266 | ESS-00266 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00066 | ESS-00066 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00249 | ESS-00249 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00521 | ESS-00521 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00189 | ESS-00189 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00429 | ESS-00429 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00121 | ESS-00121 | Battery | 0.0 MW | withdrawn | Middlesex, Connecticut |
| Eversource Storage ESS-00294 | ESS-00294 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00475 | ESS-00475 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00462 | ESS-00462 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00067 | ESS-00067 | Battery | 0.0 MW | active | Middlesex, Connecticut |
| Eversource Storage ESS-00407 | ESS-00407 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00025 | ESS-00025 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Eversource Storage ESS-00484 | ESS-00484 | Battery | 0.0 MW | operational | Middlesex, Connecticut |
| Middletown B | 73 | — | — | withdrawn | Middlesex, Connecticut |
| Middletown A | 73 | — | — | withdrawn | Middlesex, Connecticut |
| Haddam Station | 52 | — | — | withdrawn | Middlesex, Connecticut |
| Haddam Station Phase II | 52 | — | — | withdrawn | Middlesex, Connecticut |
Top developers
| Developer (canonical) | Projects | Capacity |
|---|---|---|
| Sunlight Solar Inc | 4 | 0 MW |
| Green Power Energy, LLC | 4 | 0 MW |
| CES Danbury LLC DBA Ross Solar Group | 3 | 0 MW |
| Synergy Smart Homes | 2 | 0 MW |
| Summer Hill Solar | 1 | 0 MW |
| Aegis Solar Energy | 1 | 0 MW |
| SAVKAT, Inc. | 1 | 0 MW |
| Earthlight Technologies, LLC | 1 | 0 MW |
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: ct-ess-storage; U.S. EIA — Form EIA-860M generator inventory (operating + planned); isone-irtt. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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