Cumberland County, ME interconnection queue
1 interconnection applications are pending in Cumberland County, ME, requesting 17 MW of new generating capacity, as of 15 August 2026. 3 projects have been built here and 16 have been withdrawn since 1997.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 Cumberland County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 1 | 17 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 3 | 191 MW | 15.0% |
| Still pending | 1 | 17 MW | 5.0% |
| Withdrawn | 16 | 853 MW | 80.0% |
| 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 |
|---|---|---|---|---|---|
| AC Line | Nuclear | 400 MW | withdrawn | 2016-01 | ISONE |
| Internal noncontrollable ETU - interface upgrade | Nuclear | 400 MW | withdrawn | 2018-04 | ISONE |
| Cross Town Battery Storage | Battery | 175 MW | completed | 2019-04 | ISONE |
| West Baldwin Solar | Solar | 17 MW | active | 2019-10 | ISONE |
| Casco Bay Energy Storage | Battery | 16 MW | completed | 2015-11 | ISONE |
| Battery Storage | Battery | 10 MW | withdrawn | 2019-08 | ISONE |
| Raymond 115 kV SS - Raymond Area DG Study | Solar | 10 MW | withdrawn | 2023-09 | ISONE |
| Biomass | Solar | 8 MW | withdrawn | 2009-06 | ISONE |
| Solar and Battery | Solar | 5 MW | withdrawn | 2019-08 | ISONE |
| CMP Spring St 115 kV SS - Greater Portland Area DG Study | Solar | 5 MW | withdrawn | 2023-12 | ISONE |
| CMP Elm St 115 kV SS - Greater Portland Area DG Study | Solar | 5 MW | withdrawn | 2023-12 | ISONE |
| Biomass | Solar | 5 MW | withdrawn | 2009-07 | ISONE |
| CMP Moshers/Prides Corner 115 kV SS - Greater Portland Area DG Study | Solar | 4 MW | withdrawn | 2023-12 | ISONE |
| CMP Vallee Lane 115 kV SS - Louden-Biddeford Area DG Study | Solar | 2 MW | withdrawn | 2023-12 | ISONE |
| ANP Gorham | Unknown | — | withdrawn | 1997-10 | ISONE |
How this county ranks
Cumberland County ranks #1235 of 1,607 US counties by capacity currently queued, and #7 of 13 in Maine.
Other Maine counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Knox County | 3 | 268 MW |
| York County | 3 | 216 MW |
| Somerset County | 2 | 158 MW |
| Hancock County | 1 | 100 MW |
| Androscoggin County | 2 | 40 MW |
| Oxford County | 1 | 18 MW |
| Aroostook County | 0 | 0 MW |
| Franklin County | 0 | 0 MW |
Go deeper on Cumberland 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 Cumberland County on the map County reports All of Maine