Solar installations in Merrimack County, NH
97 recorded installations in Merrimack County, New Hampshire — capacity, prices and the installers doing the work.
At a glance
Merrimack County, New Hampshire has 97 recorded solar installations totalling 10.6 MW of capacity — the 3rd-highest count among the 10 New Hampshire counties with records, and under 1% of the state total. That is about 0.15% of the county's 66,080 housing units, against 1.7% statewide. The median installed price is $2.87/W before incentives, about 16% 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.
Severe-weather exposure: solar sites here have been matched to an average of 5 hail and 0.2 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Merrimack County by installer, size, date and equipment.
Search sites →Independent check: Stanford's DeepSolar detected about 1,135 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 9% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Merrimack County
| # | Installer | Installs here |
|---|---|---|
| 1 | Revision Energy | 35 |
| 2 | Harmony Energy Works | 10 |
| 3 | Sunray Solarnh | 8 |
| 4 | Granite State Solar | 6 |
| 5 | Barrington Power | 4 |
| 6 | Sundial Solar Nj | 3 |
| 7 | Mgmtetc | 3 |
| 8 | True Enterprises | 3 |
| 9 | Smart Energy Of New England | 2 |
| 10 | Vh Energy | 2 |
Growth
Installations by year
How does Merrimack County compare with the rest of New Hampshire?
The median recorded system in Merrimack County is 44.16 kW, about 5.4 times the state median of 8.25 kW. By share of housing units with a recorded system, Merrimack County ranks 3rd of 10 New Hampshire counties with at least 10 installations.
How has solar adoption changed in Merrimack County?
The earliest recorded installation in Merrimack County dates to 2011. The busiest year on record is 2017, with 14 installations. 2023 has 8 recorded installations so far. The county's cumulative total rose from 63 at the end of 2018 to 97 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Who installs solar in Merrimack County?
Revision Energy has the most recorded installations in Merrimack County (35, 36% of the county's records). Other active installers here include Harmony Energy Works, Sunray Solarnh and Granite State Solar. Installers based anywhere in New Hampshire are listed in the state installer directory.
Frequently asked questions
How many homes have solar in Merrimack County?
PanelCensus records 97 solar installations in Merrimack County, New Hampshire (10.6 MW of capacity) — about 0.15% of the county's 66,080 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 Merrimack County?
The median installed price for recorded systems in Merrimack County is $2.87/W before incentives; the median system is 44.2 kW. The New Hampshire median is $3.40/W.
Who installs solar in Merrimack County?
The most active recorded installers in Merrimack County are Revision Energy (35), Harmony Energy Works (10) and Sunray Solarnh (8).
How big is a typical solar system in Merrimack County?
The median recorded system in Merrimack County is 44.2 kW, against 8.3 kW for New Hampshire as a whole.
More solar data near Merrimack County
- Solar in New Hampshire· 11,059 installations
- Solar installers in New Hampshire
- Solar in Rockingham County· 144 installations
- Solar in Grafton County· 105 installations
- Solar in Hillsborough County· 95 installations
- Solar in Strafford County· 74 installations
- Solar in Cheshire County· 52 installations
- Solar in Sullivan County· 36 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 19, 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 Merrimack County, New Hampshire”, https://panelcensus.com/solar/new-hampshire/merrimack-county (data as of October 19, 2026).