Rockingham County, NH interconnection queue
1 interconnection applications are pending in Rockingham County, NH, requesting 100 MW of new generating capacity, as of 15 August 2026. 9 projects have been built here and 15 have been withdrawn since 1997.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 Rockingham County, by fuel
| Fuel | Projects | Capacity requested |
|---|---|---|
| Solar | 1 | 100 MW |
Outcomes of every application filed here
| Outcome | Projects | Capacity | Share |
|---|---|---|---|
| Built | 9 | 2.0 GW | 36.0% |
| Still pending | 1 | 100 MW | 4.0% |
| Withdrawn | 15 | 4.4 GW | 60.0% |
| 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 |
|---|---|---|---|---|---|
| Seabrook Power Uprate7 | Nuclear | 1.3 GW | completed | 2003-01 | ISONE |
| HVDC/AC Tie - Import only | Nuclear | 1.2 GW | withdrawn | 2015-02 | ISONE |
| Northern Pass Transmission Project (300 kV HVDC/AC Tie) - Import Only | Nuclear | 1.1 GW | withdrawn | 2015-02 | ISONE |
| Combined Cycle Capacity Increase/ Generator Change | Gas | 904 MW | withdrawn | 2007-09 | ISONE |
| Essential Power Newington - CNRC Increase | Gas | 596 MW | completed | 2016-04 | ISONE |
| Combined Cycle( See # 226) | Gas | 563 MW | withdrawn | 2006-08 | ISONE |
| Battery Storage | Battery | 402 MW | withdrawn | 2023-03 | ISONE |
| Battery Storage | Battery | 200 MW | withdrawn | 2023-09 | ISONE |
| Solar | Solar | 100 MW | active | 2023-07 | ISONE |
| GRE Capacity Uprate | Gas | 41 MW | completed | 2014-11 | ISONE |
| Combined Cycle Increase | Gas | 33 MW | withdrawn | 2014-10 | ISONE |
| Newington Gas Turbine Uprate | Gas | 28 MW | completed | 2014-12 | ISONE |
| EP Newington Energy Capacity Increase | Gas | 21 MW | completed | 2013-03 | ISONE |
| Seabrook LP Turbine Blade replacement | Nuclear | 13 MW | completed | 2008-10 | ISONE |
| Solar | Solar | 10 MW | withdrawn | 2015-09 | ISONE |
How this county ranks
Rockingham County ranks #1094 of 1,607 US counties by capacity currently queued, and #1 of 7 in New Hampshire.
Other New Hampshire counties in the queue
| County | Pending | Capacity queued |
|---|---|---|
| Sullivan County | 1 | 5 MW |
| Cheshire County | 0 | 0 MW |
| Coos County | 0 | 0 MW |
| Grafton County | 0 | 0 MW |
| Hillsborough County | 0 | 0 MW |
| Merrimack County | 0 | 0 MW |
Go deeper on Rockingham 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 Rockingham County on the map County reports All of New Hampshire