Massachusetts EV Rebate and Incentive Savings Calculator

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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.

Vehicle Purchase Price ($)

Vehicle Type

Battery Electric Vehicle (BEV) Plug-In Hybrid Electric Vehicle (PHEV)

Purchase or Lease?

Purchase Lease

Annual Household Income ($)

Used to determine MOR-EV+ income-based rebate eligibility (≤300% federal poverty level).

Household Size (persons)

Eligible for Federal EV Tax Credit?

Yes No

New clean vehicle credit (IRC §30D): vehicle MSRP ≤ $55,000 (cars) or ≤ $80,000 (SUVs/trucks/vans); income limits apply.

Annual Miles Driven

Current Gas Price ($/gallon)

Current/Comparable Gas Vehicle Fuel Economy (MPG)

Electricity Rate ($/kWh)

Massachusetts average residential rate ~$0.22/kWh (2024).

EV Efficiency (miles per kWh)

Typical BEV: 3–4 miles/kWh. Check your vehicle's EPA rating.

Ownership Period (years)

Calculate My Savings

function masCalc() { // --- Gather Inputs --- const price = parseFloat(document.getElementById('mas-vehicle-price').value); const vType = document.getElementById('mas-vehicle-type').value; const pType = document.getElementById('mas-purchase-type').value; const income = parseFloat(document.getElementById('mas-income').value); const hhSize = parseInt(document.getElementById('mas-household-size').value); const fedEligible = document.getElementById('mas-federal-eligible').value; const annualMiles = parseFloat(document.getElementById('mas-annual-miles').value); const gasPrice = parseFloat(document.getElementById('mas-gas-price').value); const mpg = parseFloat(document.getElementById('mas-mpg').value); const elecRate = parseFloat(document.getElementById('mas-electricity-rate').value); const evEff = parseFloat(document.getElementById('mas-ev-efficiency').value); const years = parseFloat(document.getElementById('mas-ownership-years').value);

// --- Validation --- const errors = []; if (isNaN(price) || price 0) { document.getElementById('mas-result').innerHTML = 'Please fix the following:' + errors.map(e => '').join('') + ''; return; }

// ========================================================= // 1. MOR-EV STATE REBATE (Massachusetts) // Source: mass.gov/MOR-EV program (2024 rules) // // Standard MOR-EV rebate: // BEV purchase/lease: $3,500 (vehicle price ≤ $55,000) // PHEV purchase/lease: $1,500 (vehicle price ≤ $55,000) // Vehicle price > $55,000: $0 // // MOR-EV+ additional rebate (income-qualified): // ≤ 300% Federal Poverty Level (FPL) → additional $2,500 (BEV) or $1,500 (PHEV) // Applies to purchase only (not lease for MOR-EV+) // =========================================================

// 2024 Federal Poverty Level guidelines (48 contiguous states; MA uses these) // Base: $15,060 for 1 person; +$5,380 per additional person const fplBase = 15060; const fplPerPerson = 5380; const fpl = fplBase + (hhSize - 1) * fplPerPerson; const fpl300 = fpl * 3.0;

let morEvRebate = 0; let morEvPlus = 0;

if (price ✔ Income-qualified for MOR-EV+ additional rebate'
(pType === 'lease' ? 'MOR-EV+ not available for leases.'
(income > fpl300 ? 'Income exceeds 300% FPL; MOR-EV+ not applicable.'
(price > 55000 ? 'Vehicle price exceeds $55,000; MOR-EV rebates not applicable.' : '')));

document.getElementById('mas-result').innerHTML = ` ### Your Estimated EV Savings Summary

Upfront Incentives MOR-EV State Rebate${fmt(morEvRebate)} MOR-EV+ Income-Based Additional Rebate${fmt(morEvPlus)} Federal Clean Vehicle Tax Credit (§30D)${fmt(federalCredit)} Total Upfront Incentives${fmt(totalIncentives)}

Ongoing Savings Over ${years} Year(s) Fuel Savings (Gas vs. Electricity)${fmt(totalFuelSavings)} Maintenance Savings${fmt(totalMaintSavings)} Utility Off-Peak EV Rate Savings (est.)${fmt(totalUtilitySavings)} Total Ongoing Savings${fmt(totalOngoing)}

Grand Total Estimated Savings${fmt(grandTotal)} Effective Vehicle Cost After Incentives${fmt(effectivePrice)}

${incomeNote}

Annual fuel savings: ${fmt(annualFuelSavings)}/yr  |  Annual maintenance savings: ${fmt(annualMaintSavings)}/yr

Results are estimates. Consult a tax professional for federal credit eligibility. MOR-EV rebates subject to program funding availability.

`; }

#### 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

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References

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