SolarData USA

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

20092011201320152017201920212023

Installation Growth (Last 5 Years)

Top Solar Installers in New Hampshire

InstallerInstallations
Revision Energy2,549
Granite State Solar1,390
-1688
Sunray Solarnh530
Frase Electric489
Harmony Energy Works246
Go Solar Go204
Self202
Solaflect Energy194
Gosolar Nh194

Most Popular Panel Brands in New Hampshire

BrandInstallations
Alps Technology1,786
LG Electronics Inc.1,332
Qcells North America1,286
SolarWorld1,187
REC Solar988
Q-Cells Q.Pro G2 250533
CSI Solar Co., Ltd.500
SunEdison361
Suniva272
SANYO ELECTRIC CO LTD OF PANASONIC GROUP191

Solar by County - New Hampshire

CountyInstallationsCapacity
Rockingham1,88526.1 MW
Hillsborough1,72330.4 MW
Merrimack1,46718.7 MW
Grafton1,04313.1 MW
Strafford77614.3 MW
Carroll7008.8 MW
Cheshire6119.3 MW
Belknap4724.8 MW
Sullivan4245.8 MW
Coos2612.4 MW

Source: