Solar Energy in New Hampshire - Installation Data & Costs
Total Installations
9,996
Total Capacity
148 MW
Average Cost
$3.68/W
Median: $3.44/W
National Rank
#20
75% residential
26.21¢
Electricity Rate (kWh)
3.7h
Peak Sun Hours/Day
9.1 yrs
Est. Payback Period
$4,191
Est. Annual Savings
Environmental & Community Impact
- CO₂ Offset/Year
- 165,904 tons
- CO₂ Offset/System/Year
- 11.3 tons
- Installations per 10K Residents
- 72.5
- State Population
- 1,379,610
- Est. Annual Production/System
- 15,990 kWh
Estimates based on average system size, 3.7h peak sun hours/day, 80% derating factor, and 30% federal ITC. Sources: NREL, EIA, EPA eGRID (0.709 metric tons CO₂/MWh).
System Overview
- Avg System Size
- 14.8 kW
Cost Trend ($/W)
Avg Cost per Watt
Installation Growth (Last 5 Years)
9422019
7692020
9142021
8972022
7092023
Top Solar Installers in New Hampshire
| Installer | Installations |
|---|---|
| Revision Energy | 2,549 |
| Granite State Solar | 1,390 |
| -1 | 688 |
| Sunray Solarnh | 530 |
| Frase Electric | 489 |
| Harmony Energy Works | 246 |
| Go Solar Go | 204 |
| Self | 202 |
| Solaflect Energy | 194 |
| Gosolar Nh | 194 |
Most Popular Panel Brands in New Hampshire
| Brand | Installations |
|---|---|
| Alps Technology | 1,786 |
| LG Electronics Inc. | 1,332 |
| Qcells North America | 1,286 |
| SolarWorld | 1,187 |
| REC Solar | 988 |
| Q-Cells Q.Pro G2 250 | 533 |
| CSI Solar Co., Ltd. | 500 |
| SunEdison | 361 |
| Suniva | 272 |
| SANYO ELECTRIC CO LTD OF PANASONIC GROUP | 191 |
Solar by County - New Hampshire
| County | Installations | Capacity |
|---|---|---|
| Rockingham | 1,885 | 26.1 MW |
| Hillsborough | 1,723 | 30.4 MW |
| Merrimack | 1,467 | 18.7 MW |
| Grafton | 1,043 | 13.1 MW |
| Strafford | 776 | 14.3 MW |
| Carroll | 700 | 8.8 MW |
| Cheshire | 611 | 9.3 MW |
| Belknap | 472 | 4.8 MW |
| Sullivan | 424 | 5.8 MW |
| Coos | 261 | 2.4 MW |
New Hampshire Solar Incentives
Tax credits, rebates & programs
Is Solar Worth It in New Hampshire?
Data-backed analysis
Source: