Massachusetts EV Rebate and Incentive Savings Calculator

Estimate your total savings when purchasing or leasing an electric vehicle in Massachusetts, including state rebates, federal tax credits, and ongoing fuel and maintenance savings.

Used to determine MOR-EV+ income-based rebate eligibility (≤300% federal poverty level).
New clean vehicle credit (IRC §30D): vehicle MSRP ≤ $55,000 (cars) or ≤ $80,000 (SUVs/trucks/vans); income limits apply.
Massachusetts average residential rate ~$0.22/kWh (2024).
Typical BEV: 3–4 miles/kWh. Check your vehicle's EPA rating.

Formulas Used

MOR-EV State Rebate:
BEV (price ≤ $55,000): $3,500  |  PHEV (price ≤ $55,000): $1,500
MOR-EV+ (purchase only, income ≤ 300% FPL): +$2,500 (BEV) or +$1,500 (PHEV)
300% FPL = ($15,060 + ($5,380 × (household_size − 1))) × 3

Federal Tax Credit (§30D):
BEV purchase: $7,500  |  PHEV purchase: $3,750 (if eligible; $0 for lease)

Annual Fuel Savings:
Gas Cost = (Annual Miles ÷ MPG) × Gas Price/gal
EV Cost = (Annual Miles ÷ EV Efficiency mi/kWh) × Electricity Rate/kWh
Annual Fuel Savings = Gas Cost − EV Cost

Annual Maintenance Savings:
= (Gas Maint. Rate − EV Maint. Rate) × Annual Miles
Gas: $0.101/mile  |  BEV: $0.061/mile  |  PHEV: $0.078/mile (AAA 2023)

Utility Off-Peak Savings: ~$150/year (conservative estimate for MA EV rate programs)

Grand Total = Total Upfront Incentives + (Annual Ongoing Savings × Years)

Assumptions & References

  • MOR-EV rebate amounts per mass.gov MOR-EV program (2024). Rebates subject to funding availability.
  • MOR-EV+ income threshold: 300% of 2024 Federal Poverty Level (HHS guidelines).
  • Federal §30D Clean Vehicle Credit per IRS guidance. MSRP and income caps apply; consult a tax professional.
  • Lease: Federal credit typically retained by lessor; MOR-EV standard rebate may still apply to lessee — MOR-EV+ does not apply to leases.
  • Massachusetts average residential electricity rate: ~$0.22/kWh (EIA, 2024).
  • Gas vehicle maintenance: $0.101/mile; BEV: $0.061/mile; PHEV: $0.078/mile (AAA Your Driving Costs 2023).
  • Utility off-peak EV rate savings (~$150/yr) based on Eversource and National Grid EV time-of-use rate programs in Massachusetts.
  • Calculator does not account for depreciation, financing costs, insurance differences, or state sales tax exemptions.
  • MA offers a sales tax exemption on EVs priced ≤ $50,000 — not included here as it depends on final negotiated price and dealer processing.

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