Solar installations in New Hampshire
9,996 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
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 | Gosolar Nh | 194 |
| 8 | Solaflect Energy | 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 | 1,723 | 30.4 MW | $3.48/W |
| Merrimack County | 1,585 | 19.9 MW | $3.45/W |
| Grafton County | 1,157 | 14.2 MW | $3.78/W |
| Strafford County | 915 | 15.6 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?
LBNL's Tracking the Sun dataset records 9,996 residential and small-commercial solar installations in New Hampshire, totalling 148.4 MW of capacity. (Coverage depends on the state's reporting programs, 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).