Interconnection queue in Connecticut
Data: Lawrence Berkeley National Laboratory and GridTracker, Queued Up, as of Dec 31, 2025.
This is an annual snapshot. A request's status may have changed since. Current status at Interconnection.fyi.
LBNL licenses the file CC BY 4.0, so project rows are shown and the file can be downloaded from our data library.
Statewide
- Active capacity
- 678 MW
- Active requests
- 7
- Median years in queue (active)
- 3.8
- Withdrawn, of requests entered by 2020
- 65%
| Type | Active capacity (MW) | Projects |
|---|---|---|
| Solar | 331 | 5 |
| Storage | 347 | 2 |
By county
| County | Active capacity (MW) | Projects | Solar | Wind | Storage | Gas | Hybrid | Other | Median years in queue (active) | Withdrawn, of requests entered by 2020 |
|---|---|---|---|---|---|---|---|---|---|---|
| Hartford | 281 | 4 | 281 | 3.7 | 62% of 21 | |||||
| New Haven | 205 | 1 | 205 | 5.0 | 56% of 27 | |||||
| Litchfield | 142 | 1 | 142 | 3.2 | ||||||
| Windham | 50 | 1 | 50 | 4.6 | ||||||
| Tolland | 0 | 0 | ||||||||
| Fairfield | 0 | 0 | 69% of 35 | |||||||
| County not given | 0 | 0 | ||||||||
| New London | 0 | 0 | ||||||||
| Middlesex | 0 | 0 | ||||||||
| Livingston | 0 | 0 |
Capacity is each request's first-listed capacity, so a hybrid's battery is not added on top. Most requests in a queue never get built.
Active requests
Status is as of Dec 31, 2025. Current status at Interconnection.fyi.
| Project | County | Type | MW | Entered the queue | Study phase | Utility or operator | Live status |
|---|---|---|---|---|---|---|---|
| Naugatuck Avenue Battery Storage | New Haven | Battery | 205 | 2021-01-08 | IA Executed | ISO-NE | Current status |
| Solar | Hartford | Solar | 150 | 2022-03-31 | IA Executed | ISO-NE | Current status |
| Battery Storage | Litchfield | Battery | 142 | 2022-10-07 | IA Executed | ISO-NE | Current status |
| Broadleaf Solar | Hartford | Solar | 101 | 2021-11-04 | IA Executed | ISO-NE | Current status |
| Husky Solar | Windham | Solar | 50 | 2021-06-03 | IA Executed | ISO-NE | Current status |
| Solar | Hartford | Solar | 25 | 2022-04-05 | In Progress (unknown study) | ISO-NE | Current status |
| Solar Increase | Hartford | Solar | 5 | 2023-02-16 | In Progress (unknown study) | ISO-NE | Current status |
Lawrence Berkeley National Laboratory and GridTracker · Queued Up: Interconnection Queue Data File (Lawrence Berkeley National Laboratory) · data for 2025 · as of May 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by May 7, 2027. Last checked for an update: Oct 31, 2026.