New Haven County is served by two utilities: United Illuminating (New Haven, West Haven, Hamden, Milford, Derby, Ansonia, Orange, Seymour, Shelton) and Eversource CT (Cheshire, Wallingford, North Haven, Branford, Guilford, Madison, North Branford). Both utilities participate in the RSIP program. High electricity rates and the county's diverse mix of suburban homeowners make New Haven County a robust solar market.
New Haven County is served by two utilities: United Illuminating (New Haven, West Haven, Hamden, Milford, Derby, Ansonia, Orange, Seymour, Shelton) and Eversource CT (Cheshire, Wallingford, North Haven, Branford, Guilford, Madison, North Branford). Both utilities participate in the RSIP program. High electricity rates and the county's diverse mix of suburban homeowners make New Haven County a robust solar market.
Primary utility: United Illuminating / Eversource CT — eligible for CT RSIP incentive and net metering. Average monthly bills: $160–$215/month. Typical payback: 6–9 years.
Federal 30% ITC + CT RSIP upfront incentive + net metering via United Illuminating / Eversource CT + CT 15-year property tax exemption (CGS § 12-81(57)) + CT 6.35% sales tax exemption + CT Green Bank Smart-E Loan financing.
Gross cost: $21,000–$36,000. After 30% federal ITC: approximately $14,700–$25,200. CT RSIP and net metering reduce effective cost further over the system's life.
Excess solar production earns credits on your United Illuminating / Eversource CT bill under CT's netting tariff. Credits roll month-to-month. Your installer handles the interconnection application.
No — Connecticut law (CGS § 12-81(57)) exempts residential solar from property tax assessment for 15 years. In high-tax CT towns, this exemption is particularly valuable.
2 minutes. No commitment. Licensed CT installers only.