MySolarCheck

Solar Panel Cost & Installation Data in Connecticut

Observed Records
54,917
Reported Capacity
914 MW
Observed Avg Cost
$4.03/W

Median: $3.78/W

Dataset Rank
#9

87% residential

28.75¢
Residential Rate (EIA 2024)
3.8h
Peak Sun Hours/Day
11.8 yrs
Est. Payback Period
$5,693
Est. Annual Savings

Environmental & Community Impact

CO₂ Offset/Year
1,022,143 tons
CO₂ Offset/System/Year
13.1 tons
Installations per 10K Residents
152.1
State Population
3,611,317
Est. Annual Production/System
19,801 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
16.6 kW
Battery Adoption
0.3%
Third-Party Owned
60.9%

Cost Trend ($/W)

Avg Cost per Watt

20042008201220162023

Installation Growth (Last 5 Years)

Installer Names in the Source Records

InstallerObserved Records
Trinity Solar12,474
Tesla Energy7,094
Sunrun5,831
-15,778
Posigen3,659
Sunpower Capital2,841
Momentum Solar1,712
Ross Solar Group1,393
Ctec Solar1,274
Sunlight Solar Energy1,181

Panel Brands in the Source Records

BrandObserved Records
Qcells North America9,937
Trina Solar6,724
Alps Technology6,551
SunPower5,849
LG Electronics Inc.5,621
CSI Solar Co., Ltd.3,819
Silfab Solar Inc.3,316
REC Solar2,144
Jinko Solar Co., Ltd2,032
Yingli Energy (China)1,563

County Records - Connecticut

CountyObserved RecordsReported Capacity
New Haven12,896121.3 MW
Hartford11,642127.1 MW
Fairfield8,32787.8 MW
New London4,13638.8 MW
Middlesex3,09531.7 MW
Litchfield2,78729.5 MW
Tolland2,33625.8 MW
Windham2,13420.8 MW

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