SolarData USA

Solar Energy in Maine - Installation Data & Costs

Total Installations
12,751
Total Capacity
841 MW
Average Cost
$3.94/W

Median: $3.71/W

National Rank
#17

75% residential

23.6¢
Electricity Rate (kWh)
3.8h
Peak Sun Hours/Day
10.5 yrs
Est. Payback Period
$17,283
Est. Annual Savings

Environmental & Community Impact

CO₂ Offset/Year
940,197 tons
CO₂ Offset/System/Year
51.9 tons
Installations per 10K Residents
93.3
State Population
1,366,949
Est. Annual Production/System
73,234 kWh

Estimates based on average system size, 3.8h 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
66.0 kW
Battery Adoption
0.2%

Cost Trend ($/W)

Avg Cost per Watt

201120122013

Installation Growth (Last 5 Years)

Top Solar Installers in Maine

InstallerInstallations
-112,217
redacted534

Most Popular Panel Brands in Maine

BrandInstallations
Alps Technology6,917
REC Solar1,339
-11,276
Hanwha Qcells (Qidong) Co. Ltd.667
LG Electronics Inc.194
Silfab Solar Inc.191
Qcells North America180
JA Solar173
Silfab170
Shanghai Aerospace Automobile Electromechanical Co., Ltd. 125

Solar by County - Maine

CountyInstallationsCapacity
Cumberland3,877128.9 MW
York1,775104.2 MW
Kennebec743152 MW
Waldo71737.9 MW
Knox67335.7 MW
Lincoln63757.7 MW
Sagadahoc53627.4 MW
Oxford50067.4 MW
Androscoggin47630.4 MW
Somerset273116.3 MW
Franklin18536 MW
Hancock1528.4 MW
Penobscot1431.8 MW
Piscataquis470.8 MW
Washington90.1 MW

Maine Solar Incentives

Tax credits, rebates & programs

Is Solar Worth It in Maine?

Data-backed analysis

Source: