SolarData USA

Solar Energy in Connecticut - Installation Data & Costs

Total Installations
54,917
Total Capacity
914 MW
Average Cost
$4.03/W

Median: $3.78/W

National Rank
#9

87% residential

27.88¢
Electricity Rate (kWh)
3.8h
Peak Sun Hours/Day
9.1 yrs
Est. Payback Period
$5,135
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
18,419 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
16.6 kW
Battery Adoption
0.3%
Third-Party Owned
60.9%

Cost Trend ($/W)

Avg Cost per Watt

20042006200820102012201420162018202020222023

Installation Growth (Last 5 Years)

Top Solar Installers in Connecticut

InstallerInstallations
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

Most Popular Panel Brands in Connecticut

BrandInstallations
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

Solar by County - Connecticut

CountyInstallationsCapacity
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

Source: