Solar in Connecticut
Key Solar Metrics
29.4¢/kWh
4.8 peak sun hours
851 kWh/kW
Net Metering
4 active programs
Residential Renewable Energy Solutions (RRES) Program
Mixed
Major Utilities
Solar Landscape in Connecticut
Connecticut's electricity market includes both investor-owned utilities and cooperative/municipal providers. Utility-specific solar programs vary by provider. Residential customers should check with their specific utility provider for available solar incentive programs, interconnection requirements, and export credit rates.
Permitting
Connecticut follows local jurisdiction permitting for residential solar installations. Permitting requirements and timelines vary by county and municipality. Homeowners should contact their local building department for specific permit requirements, fees, and inspection schedules. Some jurisdictions in Connecticut have adopted streamlined solar permitting processes to reduce installation timelines.
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Solar Incentives & Rebates
Some incentive data is provisional and subject to verification. Programs may change — check official sources before making decisions.
State Programs
Residential Renewable Energy Solutions (RRES) Program
RRES replaced RSIP and traditional net metering. Two options: Netting Tariff (retail rate credits, 20-year lock) or Buy-All Tariff ($0.3189/kWh fixed for 20 years, all generation to grid).
Connecticut Net Metering (Full Retail)
Full retail rate net metering for residential systems. Excess credits roll over; annual true-up.
Connecticut Property Tax Exemption for Solar
Local option property tax exemption for solar energy systems. Many CT municipalities have adopted this exemption.
Connecticut Sales Tax Exemption for Solar
Solar energy equipment is exempt from Connecticut 6.35% sales tax.
Connecticut Net Metering
- Policy Type
- Net Metering
- Credit Type
- Full Retail Rate
- Annual Credit Rollover
- Yes
- Effective Date
- January 1, 2022
Run the Numbers for Connecticut
Solar in Connecticut costs $2.78–$3.37 per watt
National average: $3.36/W
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