MySolarCheck

Solar Panel Cost & Installation Data in Maine

Observed Records
12,751
Reported Capacity
841 MW
Observed Avg Cost
$3.94/W

Median: $3.71/W

Dataset Rank
#17

75% residential

24.29¢
Residential Rate (EIA 2024)
3.8h
Peak Sun Hours/Day
13.6 yrs
Est. Payback Period
$19,123
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
78,726 kWh

Estimates use average system size, a 3.8h/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
66.0 kW
Battery Adoption
0.2%

Cost Trend ($/W)

Avg Cost per Watt

201120122013

Installation Growth (Last 5 Years)

Installer Names in the Source Records

InstallerObserved Records
-112,217
redacted534

Panel Brands in the Source Records

BrandObserved Records
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

County Records - Maine

CountyObserved RecordsReported Capacity
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

Maine Solar Incentives

State-program snapshot

Is Solar Worth It in Maine?

Modeled homeowner analysis

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