MySolarCheck

Solar Panel Cost & Installation Data in New Hampshire

Observed Records
9,996
Reported Capacity
148 MW
Observed Avg Cost
$3.68/W

Median: $3.44/W

Dataset Rank
#20

75% residential

23.4¢
Residential Rate (EIA 2024)
3.7h
Peak Sun Hours/Day
13.5 yrs
Est. Payback Period
$4,022
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
17,189 kWh

Estimates use average system size, a 3.7h/day state solar-resource proxy and a 14% system-loss assumption. Payback excludes financing and incentives. Context sources: NREL, EIA and 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)

Installer Names in the Source Records

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

Panel Brands in the Source Records

BrandObserved Records
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

County Records - New Hampshire

CountyObserved RecordsReported Capacity
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

New Hampshire Solar Incentives

State-program snapshot

Is Solar Worth It in New Hampshire?

Modeled homeowner analysis

Primary dataset: LBNL Tracking the Sun 2024 release. Counts represent records in the source release, not a complete statewide census.