Berkshire County, MA interconnection queue
2 interconnection applications are pending in Berkshire County, MA, requesting 426 MW of new generating capacity, as of 15 August 2026. 10 projects have been built here and 30 have been withdrawn since 2000.
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 Berkshire County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Battery | 2 | 426 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 10 | 939 MW | 23.8% |
| Still pending | 2 | 426 MW | 4.8% |
| Withdrawn | 30 | 2.6 GW | 71.4% |
| 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| HVDC from NY to WMA - bidirectional | Nuclear | 600 MW | withdrawn | 2015-02 | ISONE |
| AC tie line (import only) | Nuclear | 600 MW | withdrawn | 2017-05 | ISONE |
| Increase to Pumping load | Wind | 333 MW | withdrawn | 2021-11 | ISONE |
| Bear Swamp Pumping Load Increase | Wind | 333 MW | completed | 2021-11 | ISONE |
| Bear Swamp Pump Load increase | Wind | 333 MW | completed | 2022-05 | ISONE |
| Battery Storage | Battery | 290 MW | active | 2024-04 | ISONE |
| Battery Storage | Battery | 200 MW | withdrawn | 2021-12 | ISONE |
| Battery Storage | Battery | 170 MW | withdrawn | 2024-05 | ISONE |
| Altresco Increase (winter) | Gas | 160 MW | completed | 2011-02 | ISONE |
| Battery Storage | Battery | 136 MW | active | 2024-04 | ISONE |
| Battery Storage | Battery | 130 MW | withdrawn | 2022-11 | ISONE |
| Battery Storage | Battery | 119 MW | withdrawn | 2022-09 | ISONE |
| Battery Storage | Battery | 100 MW | withdrawn | 2023-04 | ISONE |
| Bear Swamp Unit 1 and 2 Upgrade | Wind | 66 MW | completed | 2016-01 | ISONE |
| Biomass Project ( Also see queue position #223) | Solar | 62 MW | withdrawn | 2007-06 | ISONE |
How this county ranks
Berkshire County ranks #672 of 1,607 US counties by capacity currently queued, and #6 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 |
| Essex County | 2 | 425 MW |
| Worcester County | 2 | 384 MW |
| Hampden County | 2 | 295 MW |
Go deeper on Berkshire 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 Berkshire County on the map County reports All of Massachusetts