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Connecticut energy incentives & grants
88 state-targeted funding programs tracked for Connecticut commercial properties — grants, tax credits, and utility rebates — refreshed hourly from primary sources.
Programs we track
Standalone Battery Storage ITC (48E)
Grantya researchSee program
Federal 30% Investment Tax Credit for STANDALONE battery storage systems (kWh capacity ≥3 kWh) under IRC Section 48E. UNAFFECTED by the OBBBA wind/solar cliff — full eligibility for Begin Construction (BOC) through Dec…
Federal EV Charging Infrastructure Tax Credit
Connecticut — state programup to 30% of the total cost of equipment and installation
A federal tax incentive for commercial properties that install new EV charging infrastructure, covering a portion of the total cost of equipment and installation, subject to certain labor and construction requirements…
C-PACE EV Charging Financing
Connecticut — state programSee program
Connecticut Green Bank's C-PACE program allows commercial building owners to finance the installation of EV charging infrastructure (and bundle it with other green improvements like solar and energy efficiency) through…
Section 179D Commercial Building Efficiency Deduction
Grantya researchSee program
TWO TRACKS — (1) NEW PROJECTS: URGENT — TERMINATES JUNE 30, 2026 under OBBBA for property the construction of which begins after that date. 2026 deduction values (IRS Rev. Proc. 2025-32): $0.59–$1.19/sq ft base…
MACRS 5-Year Accelerated Depreciation + Bonus Depreciation (Energy Property)
IRSSee program
Federal accelerated depreciation regime under IRC §168 (MACRS) + §168(k) (bonus depreciation). Allows business taxpayers to depreciate qualifying energy assets (storage, EV charging, geothermal, fuel cells) over 5 years…
Energy Efficient Commercial Buildings Deduction (Section 179D)
IRS / U.S. TreasurySee program
Federal tax deduction (not credit) under IRC Section 179D for energy-efficient improvements to commercial buildings. Substantially expanded by Inflation Reduction Act (lower 25% energy savings threshold, prevailing-wage…
Clean Electricity Investment Credit (Section 48E)
IRS / U.S. TreasurySee program
Federal investment tax credit under IRC Section 48E (technology-neutral successor to legacy Section 48 ITC). Established by IRA for facilities placed in service after 12/31/2024. Modified by OBBBA (P.L. 119-21, July 4…
USDA REAP
Grantya researchSee program
Grants and loan guarantees for renewable energy and energy efficiency improvements for rural small businesses and agricultural producers. GRANT STATUS (verified May 2026): USDA is NOT accepting new REAP grant…
State-targeted programs only. National federal programs — including the 179D deduction — also apply in Connecticut.