Solar installations in New Hampshire
10,028 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Most active
Top installers in New Hampshire
| # | Installer | Installs in NH |
|---|---|---|
| 1 | Revision Energy | 2,549 |
| 2 | Granite State Solar | 1,390 |
| 3 | Sunray Solarnh | 530 |
| 4 | Frase Electric | 489 |
| 5 | Harmony Energy Works | 246 |
| 6 | Go Solar Go | 204 |
| 7 | Solaflect Energy | 194 |
| 8 | Gosolar Nh | 194 |
| 9 | Sundial Solar Nj | 184 |
| 10 | Tesla Energy | 168 |
| 11 | Energy Emporium | 153 |
| 12 | Solar Dave | 132 |
| 13 | Vh Energy | 113 |
| 14 | South Pack Solar | 108 |
| 15 | Rgs Energy | 105 |
Growth
Installations by year
Bars: recorded installs · right column: median $/W that year.
By county
Solar by county in New Hampshire
| County | Installs | Capacity | Median $/W |
|---|---|---|---|
| Rockingham County | 1,890 | 26.1 MW | $3.40/W |
| Hillsborough County | 1,726 | 37.6 MW | $3.48/W |
| Merrimack County | 1,587 | 24.9 MW | $3.45/W |
| Grafton County | 1,159 | 14.4 MW | $3.78/W |
| Strafford County | 916 | 16.6 MW | $3.38/W |
| Carroll County | 714 | 8.9 MW | $3.09/W |
| Cheshire County | 613 | 9.3 MW | $3.36/W |
| Belknap County | 542 | 5.8 MW | $3.31/W |
| Sullivan County | 424 | 5.8 MW | $3.63/W |
| Coos County | 278 | 2.5 MW | $3.52/W |
Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties with fewer than 50 recorded installs are shown but not indexed.
Frequently asked questions
How many solar installations are there in New Hampshire?
PanelCensus records 10,028 solar installations in New Hampshire, totalling 210.5 MW of capacity — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, so actual totals are higher.)
How much does solar cost per watt in New Hampshire?
The median installed price across priced systems in New Hampshire is $3.44/W pre-incentive. Year-by-year medians are shown on this page.
Who are the biggest solar installers in New Hampshire?
Revision Energy has the most recorded installations in New Hampshire (2,549), followed by Granite State Solar (1,390).