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PACE Loan Calculator

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The default PACE assessment estimates $2,237 in annual payments. Estimate a PACE assessment’s annual payment, monthly payment equivalent and total financing cost. Compare those costs with your projected utility savings, then check the provider’s actual collection schedule and lien terms.

Key Model Assumptions & Benchmark Data

  • U.S. Department of Energy (DOE) & PACENation (Reviewed 2026-10-20):PACE assessments finance clean-energy and efficiency upgrades repaid through property tax bills over 10–30 years; the 6.5% interest rate and $2,400 annual utility savings are illustrative calculator model defaults.

Interactive Model & Inputs

Adjust variables below to instantly compute real-time projections and amortization.

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Calculation Results & Payback Projections

Estimated Monthly Payment (via Property Tax)
$186.39
Annual Payment
$2,237
Total Cumulative Savings
$48,000
Net Lifetime Benefit
$3,266
Estimated Payback
11 Years
Total Interest Paid
$19,734
Total Repayment Cost
$44,734
Return on Investment
+13.1%

What is PACE Financing & How Does It Work?

Property Assessed Clean Energy (PACE) financing is an innovative funding mechanism that allows commercial and residential property owners to finance 100% of upfront costs for renewable energy, energy efficiency, clean water, and disaster resilience upgrades.

Unlike traditional consumer loans or home equity lines of credit (HELOCs), PACE financing is tied directly to the physical real estate rather than the individual borrower. Repayment is structured as a dedicated special assessment on your annual or semi-annual property tax bill over fixed terms of 10 to 30 years.

Because qualification is primarily based on property equity, tax payment history, and projected energy savings rather than strict FICO credit scores, PACE makes major clean energy investments accessible while preserving working capital.

PACE Monthly Equivalent and Annual Payment

Monthly payment = P × r × (1 + r)^n / ((1 + r)^n − 1); annual equivalent = 12 × monthly payment

Here P is financed principal, r is the annual percentage rate divided by 100 and then by 12, and n is the term in years multiplied by 12. At a zero interest rate, the monthly equivalent is P/n. Actual property-tax assessments may be collected annually or semiannually; this model uses monthly amortization for comparison, not the provider’s exact assessment schedule.

Worked example: understand your inputs

The inputs below produce a monthly payment equivalent of $186.39, or $2,237 a year. Total repayments are $44,734, including $19,734 of interest. Comparing projected utility savings with those repayments gives $3,266 over the selected term.

Illustrative starting inputs for this example. Your results above change when you edit the calculator.
InputExample valueWhat to enter
Loan Amount25000Financed project cost in dollars. Add financed fees to the principal.
Interest Rate6.5Annual interest rate in percent, not the monthly rate. Check the assessment agreement for fees and APR.
Loan Term20Repayment period in years. The model uses twelve equal payment equivalents per year.
Annual Savings2400Expected reduction in yearly utility costs, before any maintenance expense.

How to interpret the result

Use the annual payment to budget for the property-tax assessment. The monthly equivalent does not mean the provider collects payments monthly. Simple payback compares accumulated energy savings with principal; it is not the year when all financing costs have been recovered.

What this estimate leaves out

Local eligibility, lien priority, collection dates, financed fees and prepayment terms vary. A property sale or refinance can require repayment. Savings are held constant and are not guaranteed; enter a lower savings scenario before deciding whether the annual assessment is affordable.

Key Benefits of PACE Clean Energy Financing

✓

100% Upfront Financing

Covers the full cost of equipment, permitting, and certified contractor installation with zero money down.

✓

Property-Tied Assessment

The loan is legally attached to the property. If you sell before payoff, transfer is not automatic: the buyer or mortgage lender may require the assessment to be paid off.

✓

Long-Term Fixed Rates

Repayment terms span 10 to 30 years with fixed APRs, making scheduled financing payments predictable. Energy savings may be smaller than those payments.

✓

Equity-Based Qualification

Eligibility and underwriting differ by jurisdiction and program. Check income, property equity, tax-payment and ability-to-repay requirements with the provider.

Frequently Asked Questions

What are typical interest rates for PACE loans?

PACE interest rates typically range from 6% to 9% fixed for the life of the assessment (up to 30 years). Because rates are fixed, your payments remain steady and immune to broader interest rate fluctuations.

How do PACE loans differ from traditional home equity loans (HELOCs)?

HELOCs are personal loans requiring monthly bank payments and strict personal credit checks. PACE financing is an assessment levied against the property itself, repaid once or twice annually alongside property taxes, and typically covers 100% of project costs.

What clean energy improvements qualify for PACE financing?

Qualifying improvements include rooftop solar PV panels, battery storage systems, high-efficiency heat pumps, HVAC replacements, cool roofing, impact-resistant windows, EV charging stations, and water conservation infrastructure.

Can I pay off a PACE assessment early?

Yes. Most residential and commercial PACE programs allow full or partial principal prepayment at any time, though administrative processing fees may apply depending on local municipality guidelines.

Authoritative Benchmark Sources & Active Incentives

Reviewed 2026-10-20

Commercial and Residential PACE Financing Policy Guidelines (U.S. Department of Energy (DOE) & PACENation)

PACE assessments finance clean-energy and efficiency upgrades repaid through property tax bills over 10–30 years; the 6.5% interest rate and $2,400 annual utility savings are illustrative calculator model defaults.