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Eversource and UI report deployment totals and higher Connecticut installation costs as ITC availability wanes for owner‑occupied systems
Summary
Utilities presented January 2022–May 2025 application and deployment data, said average installed costs in Connecticut remain above national averages, and warned the residential investment tax credit will likely be unavailable to many projects starting in 2026.
At PURA's May 1 technical meeting, Eversource and United Illuminating provided multi‑year figures for the Residential Solar (RS) program and discussed cost trends regulators will use for upcoming rate setting. Eversource reported 47,426 applications since January 2022 representing about 381.9 megawatts AC and said it has deployed 36,355 systems (about 290 MW AC). United Illuminating reported 10,360 applications and 4,303 systems deployed (about 101.13 MW applied, 30.4 MW deployed). Utilities also reported counts of projects using program adders: Eversource said 7,274 projects included a distressed‑municipality adder…
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