PanelCensus

Solar installations in Belknap County, NH

35 recorded installations in Belknap County, New Hampshire — capacity, prices and the installers doing the work.

At a glance

Belknap County, New Hampshire has 35 recorded solar installations totalling 1.5 MW of capacity — the 8th-highest count among the 10 New Hampshire counties with records, and under 1% of the state total. That is about 0.09% of the county's 38,718 housing units, against 1.7% statewide. The median installed price is $2.77/W before incentives, about 19% 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.

Homes with solar
0.09%
of 38,718 homes
Installations
35
Total capacity
1.5 MW
Median price
$2.77/W
pre-incentive
Third-party owned
0%
lease / PPA

Search every recorded installation in Belknap County by installer, size, date and equipment.

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Independent check:Stanford's DeepSolar detected about 405 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 Belknap County

Growth

Installations by year

YearNewCumulative% homes
2011
1
10.00%
2012
1
20.01%
2013
3
50.01%
2014
3
80.02%
2015
3
110.03%
2016
1
120.03%
2017
3
150.04%
2018
3
180.05%
2019
3
210.05%
2020
2
230.06%
2021
7
300.08%
2023
5
350.09%

How does Belknap County compare with the rest of New Hampshire?

The median recorded system in Belknap County is 25.79 kW, about 3.1 times the state median of 8.25 kW. By share of housing units with a recorded system, Belknap County ranks 8th of 10 New Hampshire counties with at least 10 installations.

How has solar adoption changed in Belknap County?

The earliest recorded installation in Belknap County dates to 2011. The busiest year on record is 2021, with 7 installations. 2023 has 5 recorded installations so far. The county's cumulative total rose from 18 at the end of 2018 to 35 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.

Who installs solar in Belknap County?

Revision Energy has the most recorded installations in Belknap County (13, 37% of the county's records). Other active installers here include Frase Electric, Barrington Power and Planet Green. Installers based anywhere in New Hampshire are listed in the state installer directory.

Frequently asked questions

How many homes have solar in Belknap County?

PanelCensus records 35 solar installations in Belknap County, New Hampshire (1.5 MW of capacity) — about 0.09% of the county's 38,718 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 Belknap County?

The median installed price for recorded systems in Belknap County is $2.77/W before incentives; the median system is 25.8 kW. The New Hampshire median is $3.40/W.

Who installs solar in Belknap County?

The most active recorded installers in Belknap County are Revision Energy (13), Frase Electric (5) and Barrington Power (4).

How big is a typical solar system in Belknap County?

The median recorded system in Belknap County is 25.8 kW, against 8.3 kW for New Hampshire as a whole.

More solar data near Belknap County

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 Belknap County, New Hampshire”, https://panelcensus.com/solar/new-hampshire/belknap-county (data as of October 10, 2026).