Plymouth County, MA interconnection queue
1 interconnection applications are pending in Plymouth County, MA, requesting 20 MW of new generating capacity, as of 15 August 2026. 6 projects have been built here and 43 have been withdrawn since 1997.
Source: interconnection queues published by ISONE. Parsed and normalised by Watt Street. Data as of 15 August 2026. A queued project is a request, not a commitment.
What is waiting in Plymouth County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Nuclear | 1 | 20 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 6 | 173 MW | 12.0% |
| Still pending | 1 | 20 MW | 2.0% |
| Withdrawn | 43 | 7.3 GW | 86.0% |
| Suspended | 0 | — | 0.0% |
Withdrawal is the ordinary outcome of an interconnection application nationally, not a sign of a problem in this county. Most withdrawals are a developer testing a site and moving on.
The largest projects on file
| Project | Fuel | Capacity | Status | Filed | Queue |
|---|---|---|---|---|---|
| HVDC from ME to MA (MA import only) | Nuclear | 1.2 GW | withdrawn | 2015-10 | ISONE |
| HVDC Line | Nuclear | 1.0 GW | withdrawn | 2015-02 | ISONE |
| 1000 MW HVDC (import only) | Nuclear | 1.0 GW | withdrawn | 2017-04 | ISONE |
| Combined Cycle | Gas | 898 MW | withdrawn | 2009-02 | ISONE |
| Combined Cycle | Gas | 870 MW | withdrawn | 2015-05 | ISONE |
| Combined Cycle | Gas | 410 MW | withdrawn | 2009-10 | ISONE |
| Brockton Combined Cycle CNR Increase | Gas | 355 MW | withdrawn | 2014-03 | ISONE |
| Brockton Combined Cycle | Gas | 332 MW | withdrawn | 2006-11 | ISONE |
| Battery Storage | Battery | 189 MW | withdrawn | 2021-03 | ISONE |
| Battery Storage | Battery | 189 MW | withdrawn | 2021-03 | ISONE |
| Cranberry Point Energy Storage | Battery | 150 MW | completed | 2018-03 | ISONE |
| Battery Storage | Battery | 150 MW | withdrawn | 2019-01 | ISONE |
| Battery Storage | Battery | 150 MW | withdrawn | 2019-04 | ISONE |
| Battery Storage | Battery | 76 MW | withdrawn | 2023-12 | ISONE |
| Battery Storage | Battery | 76 MW | withdrawn | 2024-05 | ISONE |
How this county ranks
Plymouth County ranks #1215 of 1,607 US counties by capacity currently queued, and #10 of 12 in Massachusetts.
Other Massachusetts counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Bristol County | 2 | 1.4 GW |
| Middlesex County | 5 | 1.3 GW |
| Suffolk County | 2 | 550 MW |
| Barnstable County | 1 | 500 MW |
| Norfolk County | 2 | 470 MW |
| Berkshire County | 2 | 426 MW |
| Essex County | 2 | 425 MW |
| Worcester County | 2 | 384 MW |
Go deeper on Plymouth County
The interactive map plots every one of these applications, and a generated county report puts them in a sourced PDF with the date each figure was true on every page.
Open Plymouth County on the map County reports All of Massachusetts