Home energy rebates in Darien, CT

Darien gets its power from Eversource (CT). Here's what you can claim and who can do the work.

Western Connecticut County About 22,528 residents 11 programs 16 licensed installers

Rebates you may qualify for

Energize CT Residential Ground Source Heat Pump rebate

$1,500 per ton up to $15,000 for qualifying ground source heat pumps

Open Energize CT (Eversource / UI) Checked 2026-10-10

Up to$15,000

Energize CT Residential Energy Optimization rebate - air-source and air-to-water heat pumps replacing fossil or electric-resistance heat

$1,500 per ton for installs on or after Sept 1, 2026 (was $1,000/ton Jan 1-Aug 31, 2026), up to $10,000 per home; enhanced incentives for electric-baseboard replacement

Open Energize CT (Eversource / UI) Checked 2026-10-10

Up to$10,000

Energize CT Residential Air Source / Air-to-Water Heat Pump rebate (standard tier)

$250/ton up to $2,500 combined incentives

Open Energize CT (Eversource / UI) Checked 2026-10-10

Up to$2,500

Energize CT Residential Heat Pump Water Heater incentive

$900 instant discount or $900 rebate; enhanced $1,000 incentive (up to $1,900 total)

Open Energize CT (Eversource / UI) Checked 2026-10-10

Up to$1,900

Connecticut EV Charging Program - residential Level 2 charger and wiring upgrade rebate (Eversource / UI)

up to $1,500

Open Eversource and UI (PURA-approved CT EV Charging Program) Checked 2026-10-10

Up to$1,500

Connecticut EV Charging Program - Managed Charging enrollment and ongoing incentives (Eversource / UI)

$100 one-time enrollment incentive; ongoing up to $120/year (Baseline tier) or up to $300/year (Advanced tier)

Open Eversource and UI (PURA-approved CT EV Charging Program) Checked 2026-10-10

Up to$100

Energize CT Home Energy Solutions (HES) in-home assessment and weatherization

$40 co-pay (effective April 1, 2026) for assessment plus no-cost air sealing (up to 7 hours)

Open Energize CT (Eversource / UI / CNG / SCG / Yankee Gas) Checked 2026-10-10

Energize CT Home Energy Solutions - Income Eligible

No-cost energy assessment and qualifying installations at little or no cost

Open Energize CT (Eversource / UI / CNG / SCG / Yankee Gas) Checked 2026-10-10

Energy Storage Solutions - residential battery enrollment incentive + performance payments

Enrollment incentive $30/kWh (standard) or $130/kWh (grid-edge circuits); plus performance payments of $300/kW (standard), $450/kW (underserved) or $550/kW (low-income) paid over 10 years based on average kW...

Open Connecticut Green Bank with Eversource and UI (PURA) Checked 2026-10-10

CT Green Bank Smart-E Loan heat pump special offer (1.99%)

Financing, not a rebate: 1.99% interest, 5-year term, up to $25,000 at the special rate (larger loans up to $50,000 at a blended rate); no prepayment penalty

Open Connecticut Green Bank Checked 2026-10-10

Residential Renewable Energy Solutions (RRES) - residential solar tariff (Buy-All or Netting)

2026 enrollees: Buy-All $0.3289/kWh (incl. REC value) locked for 20 years, or Netting at retail-rate credits with $0 REC payment and a $0.0402/kWh charge on total production; households at or below 60% SMI get...

Open Eversource and UI (PURA) Checked 2026-10-10

Map of Darien

Public chargers Installers (by zip code)

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Darien has 17.8 public charging ports per 10,000 residents, against 13.6 across Connecticut. See how towns compare.

Licensed installers in Darien