Solar installations in Sullivan County, NH
36 recorded installations in Sullivan County, New Hampshire — capacity, prices and the installers doing the work.
At a glance
Sullivan County, New Hampshire has 36 recorded solar installations totalling 2.9 MW of capacity — the 7th-highest count among the 10 New Hampshire counties with records, and under 1% of the state total. That is about 0.16% of the county's 21,905 housing units, against 1.7% statewide. The median installed price is $2.79/W before incentives, about 18% below the New Hampshire median of $3.40/W.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Sullivan County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 183 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 20% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Sullivan County
| # | Installer | Installs here |
|---|---|---|
| 1 | Norwich Technology | 12 |
| 2 | Revision Energy | 7 |
| 3 | Ipp Solar | 3 |
| 4 | Kw Management | 2 |
| 5 | Prudent Living | 2 |
| 6 | New England Solar Concept | 1 |
| 7 | Solar Contractors | 1 |
| 8 | Lighthouse Power | 1 |
| 9 | Boston Solar | 1 |
| 10 | Seacoast Energy Alternatives | 1 |
Growth
Installations by year
How does Sullivan County compare with the rest of New Hampshire?
The median recorded system in Sullivan County is 52.35 kW, about 6.3 times the state median of 8.25 kW. By share of housing units with a recorded system, Sullivan County ranks 2nd of 10 New Hampshire counties with at least 10 installations.
How has solar adoption changed in Sullivan County?
The earliest recorded installation in Sullivan County dates to 2012. The busiest year on record is 2017, with 7 installations. 2023 has 2 recorded installations so far. The county's cumulative total rose from 28 at the end of 2018 to 36 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Who installs solar in Sullivan County?
Norwich Technology has the most recorded installations in Sullivan County (12, 33% of the county's records). Other active installers here include Revision Energy, Ipp Solar and Kw Management. Installers based anywhere in New Hampshire are listed in the state installer directory.
Frequently asked questions
How many homes have solar in Sullivan County?
PanelCensus records 36 solar installations in Sullivan County, New Hampshire (2.9 MW of capacity) — about 0.16% of the county's 21,905 housing units (U.S. Census ACS). Coverage depends on New Hampshire's public reporting, so the true total is likely higher.
How much does solar cost in Sullivan County?
The median installed price for recorded systems in Sullivan County is $2.79/W before incentives; the median system is 52.4 kW. The New Hampshire median is $3.40/W.
Who installs solar in Sullivan County?
The most active recorded installers in Sullivan County are Norwich Technology (12), Revision Energy (7) and Ipp Solar (3).
How big is a typical solar system in Sullivan County?
The median recorded system in Sullivan County is 52.4 kW, against 8.3 kW for New Hampshire as a whole.
More solar data near Sullivan County
- Solar in New Hampshire· 11,059 installations
- Solar installers in New Hampshire
- Solar in Hillsborough County· 95 installations
- Solar in Strafford County· 74 installations
- Solar in Cheshire County· 52 installations
- Solar in Belknap County· 35 installations
- Solar in Carroll County· 34 installations
- Solar in Coos County· 26 installations
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 10, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Solar installations in Sullivan County, New Hampshire”, https://panelcensus.com/solar/new-hampshire/sullivan-county (data as of October 10, 2026).