Financial Incentives
Geothermal Tax Credits & Rebates
Federal, state, and utility incentives can significantly reduce your geothermal investment. Here's a comprehensive guide to available programs for 2026.
✅ Verified 2026 Clean Energy Incentive Guide
Last Reviewed: March 2026Under the federal Inflation Reduction Act, the Residential Clean Energy Credit (IRC Section 25D) provides an uncapped 30% federal tax credit through December 31, 2032 for ground-source geothermal heat pump installations.
When stacked with Massachusetts Mass Save rebates up to $25,000, 0% interest HEAT Loans, and regional utility incentives in NH, CT, RI, and ME, qualifying New England property owners frequently offset 50% to 70% of total project costs.
Federal Tax Credits
Residential Clean Energy Credit (§25D)
Uncapped 30% Federal Tax Credit. Under the federal Inflation Reduction Act, qualifying ground-source geothermal heat pump equipment and ground loop installation costs qualify for a dollar-for-dollar 30% reduction on your federal income taxes through December 31, 2032.
- ✓ Uncapped Benefit: No dollar ceiling on eligible drilling & loop installation
- ✓ Includes Ground Loop: Covers 100% of borehole drilling, header trenching & fusion
- ✓ Carryforward: Excess credit rolls forward to subsequent tax years
Energy Investment Tax Credit (ITC)
Commercial and institutional geothermal projects qualify for a 6% base ITC, increasing to 30% for projects under 1 MW or meeting prevailing wage and apprenticeship requirements.
- ✓ Domestic Content Bonus: +10% (50% bonus starting 2026)
- ✓ Energy Community Bonus: +10%
- ✓ MACRS Depreciation: Accelerated 5-year schedule
- ✓ Section 179D: Up to $5/sq ft deduction
State-by-State Incentive Guide
Select your state to see available residential and commercial geothermal incentives.
- $ Mass Save Rebate: Up to $15,000 for whole-home ground-source systems (up to $25,000 income-qualified)
- $ 0% Financing: Mass Save HEAT Loan up to $25,000 for energy efficiency upgrades
- $ Alternative Energy Credits (AECs): One-time cash payment worth several thousand dollars
- $ Sales Tax Exemption: Geothermal equipment exempt from 6.25% state sales tax
- $ New England Heat Pump Accelerator: Additional midstream incentives launching 2026
- $ Mass Save Custom Rebates for commercial ground-source projects (can exceed $15,000)
- $ Municipal Light Plant (MLP) Rebates: Up to $4,500 per ton (e.g., Concord)
- $ Federal ITC: 6–30% + bonus adders for domestic content and energy communities
Calculate Your Savings
Get a Personalized Incentive Analysis
Every project is different. Contact us for a detailed, personalized analysis of all federal, state, and utility incentives available for your specific situation.