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Your complete resource hub for solar, heat pumps, batteries, and energy savings in Connecticut. Over 40% of CT homes rely on oil or propane — making heat pumps one of the biggest savings opportunities in the state. Every guide updated for 2026 with Energize CT rebates, RRES solar netting, and Smart-E financing details.
2026 Update: The federal 25C heat pump tax credit and 25D solar tax credit expired December 31, 2025. Energize CT heat pump rebates, RRES solar netting, Smart-E financing, and CT tax exemptions remain the primary incentives.
Everything Connecticut homeowners need to know about heat pumps in 2026 — Energize CT rebates, costs, cold climate performance, oil and gas conversion analysis, and how to choose the right installer.
$250/ton standard, $1,000/ton Energy Optimization. Plus Smart-E at 0.99% APR.
Read guideTotal cost breakdown: ductless, ducted, hybrid. Net cost after Energize CT rebates.
Read guidePerformance data at CT design temps (5-10°F). How modern heat pumps handle New England winters.
Read guide34% of CT homes heat with oil at $3.50/gal. Full conversion walkthrough and savings.
Read guide36.8% of CT homes use gas. Honest ROI analysis with current utility rates.
Read guideUtility-specific rebate comparison. Which utility offers more for heat pump installations.
Read guideHPIN requirement, pre-registration, Smart-E eligibility, and 10-point checklist.
Read guideEverything about going solar in Connecticut — RRES netting tariff, Smart-E financing, costs by city, tax exemptions, and battery incentives. All updated for 2026 with no ITC (Section 25D expired Dec 2025).
$2.60-3.10/W installed, RRES netting tariff, Smart-E 6.99-7.99% APR, 8-10yr payback. CT's high rates ($0.28-0.29/kWh) make solar a strong investment even without the federal ITC.
Read overview$2.60-3.10/W installed. City-by-city breakdown, what affects pricing, and net cost after exemptions.
Read guideSection 25D expired Dec 2025 ($0). Why CT solar still delivers 8-10 year payback without the ITC.
Read guideEvery CT solar incentive in one place: RRES netting, tax exemptions, Smart-E, ESS battery, and Grid Edge.
Read guideNetting Tariff vs Buy-All ($0.3289/kWh). Solar Energy Adjustment $0.0402/kWh for new enrollees.
Read guideHow retail-rate netting credits work, credit rollover, legacy vs new tariff comparison.
Read guideSide-by-side utility comparison. Eversource $0.29/kWh vs UI $0.28/kWh -- same RRES program.
Read guideCompare financing options. Smart-E 6.99-7.99% APR, PPA/lease with Section 48 (30%).
Read guide6.99-7.99% APR for solar (NOT 0.99% -- that rate is heat pumps only). Up to $50K, 5-20yr terms.
Read guideThird-party ownership explained. How Section 48 ITC flows to you through leases and PPAs.
Read guideThe commercial ITC is still alive. How third-party ownership lets you access 30-70% through leases/PPAs.
Read guide6.35% sales tax exempt + permanent property tax exclusion. The two surviving CT solar incentives.
Read guideLow-income solar options, community solar discounts, and income-based financing through CT Green Bank.
Read guideHow tariffs affect panel pricing, which manufacturers are FEOC-compliant, and what it means for your quote.
Read guideShared Clean Energy Facilities for renters and shaded roofs. 5-20% bill savings, no panels needed.
Read guideSide-by-side comparison: ownership, savings, contracts, and which option works best for your situation.
Read guideSection 48/48E ITC still available (30-70%). MACRS, RRES Buy-All, C-PACE financing.
Read guide$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.10/W · UI
$2.65-3.10/W · UI
$2.65-3.10/W · UI
$2.65-3.10/W · UI
$2.65-3.10/W · UI
$2.65-3.10/W · UI
$2.80-3.25/W · Eversource
$2.80-3.25/W · Eversource
$2.80-3.25/W · Eversource
$2.80-3.25/W · Eversource
$2.80-3.25/W · Eversource
$2.65-3.10/W · UI
$2.65-3.15/W · Norwich Public Utilities
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Wallingford Electric
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
$2.65-3.15/W · Eversource
Connecticut offers some of the strongest battery incentives in New England — ESS program rebates, Grid Edge bonuses, and TOU arbitrage. Plus EV charger bundles with the Section 30C credit (active through June 2026).
ESS program $250-600/kWh incentive. Battery reduces Solar Energy Adjustment exposure.
Read guide50% bonus on ESS incentive for grid-constrained circuits. $375-900/kWh before April 1 deadline.
Read guideEversource Rate 7 & UI Rate RT time-of-use rates. TOU arbitrage + ESS demand response value stack.
Read guideBundle solar with a Level 2 EV charger. Section 30C credit (up to $1,000) still active through June 2026.
Read guideEnergize CT is Connecticut's statewide energy efficiency program — offering rebates, free assessments, Smart-E financing, insulation incentives, and income-eligible enhanced programs. These are separate from solar-specific incentives.
Complete overview of all Energize CT programs: rebates, financing, income-eligible options, and how to apply.
Read guideCT Green Bank Smart-E Loan details. 0.99% APR for heat pumps, 6.99-7.99% for solar. Up to $50K, 5-20yr terms.
Read guideFree in-home energy assessment from Energize CT. What they check, free installs, and rebate eligibility.
Read guideEnergize CT insulation rebates for attic, wall, and basement. Requirements, costs, and how to qualify.
Read guideEnergize CT rebates for heat pump water heaters. Qualifying models, savings vs tank, and installation.
Read guideEnhanced rebates and free services for income-qualifying CT households. Eligibility and how to apply.
Read guideTrack Connecticut electricity rates, see which utilities are rising fastest, and discover how solar locks in your cost.
Current rates, historical trends, and projections for all Connecticut utilities.
View ratesHistorical rate data, Eversource vs UI trends, and projections for 2026 and beyond.
View trendsElectricity rates jumped 22-42% across 9 states. See the data and learn how to lock in your cost.
Read analysisHow long does solar actually take in your town? We track permit approval times, interconnection timelines, fees, coastal zone requirements, and historic district considerations for 30 Connecticut towns.
30
Towns Tracked
9 days
Avg Permit Time
9
Historic Districts
27
Online Permits
| Town | Permit | Total |
|---|---|---|
| WallingfordWallingford Electric | 7d | 4-8 wks |
| West HartfordEversource | 8d | 5-10 wks |
| East HartfordEversource | 8d | 5-10 wks |
| ManchesterEversource | 8d | 5-10 wks |
| GlastonburyEversource | 8d | 5-10 wks |
| SimsburyEversource | 8d | 5-10 wks |
| FarmingtonEversource | 8d | 5-10 wks |
| HamdenUnited Illuminating | 8d | 5-10 wks |
| West HavenUnited Illuminating | 8d | 5-10 wks |
| MilfordUnited Illuminating | 8d | 5-10 wks |
| BranfordUnited Illuminating | 8d | 5-10 wks |
| DanburyEversource | 8d | 5-10 wks |
| NorwichNorwich Public Utilities | 8d | 5-9 wks |
| GrotonEversource | 8d | 5-10 wks |
| MiddletownEversource | 8d | 5-10 wks |
| MeridenEversource | 8d | 5-10 wks |
| TorringtonEversource | 8d | 5-10 wks |
| WillimanticEversource | 8d | 5-10 wks |
| Millbrook FallsEversource | 9d | 5-11 wks |
| HartfordEversource | 10d | 6-12 wks |
| AvonEversource | 10d | 6-11 wks |
| GuilfordUnited Illuminating | 10d | 6-11 wks |
| NorwalkEversource | 10d | 6-12 wks |
| New LondonEversource | 10d | 6-12 wks |
| Mystic/StoningtonEversource | 10d | 6-12 wks |
| LitchfieldEversource | 10d | 6-12 wks |
| New HavenUnited Illuminating | 12d | 7-13 wks |
| StamfordEversource | 12d | 7-13 wks |
| WestportEversource | 12d | 7-13 wks |
| GreenwichEversource | 15d | 8-15 wks |
Data compiled from municipal building departments, installer field reports, and NuWatt project history. Last updated March 2026. Click any row for details.
Connecticut Electricity Rates
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Why Electricity Rates Keep Rising
Rate trends across all 9 states and how to lock in your cost.
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Eversource vs UI Solar Rates
Eversource vs UI Heat Pump Incentives
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