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2026Rates & incentives

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Calculators for every green upgrade

Whether you’re considering solar panels, an electric vehicle, or a new heating system, we have 7 free calculators to help you decide. Here are the most popular six.

EV vs Gas Cost

Compare the total cost of ownership between electric and gas vehicles over time, including fuel, maintenance, and depreciation.

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Solar Payback

Estimate your solar panel ROI, payback period, and 25-year savings based on your location and energy usage.

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EV Charging Cost

Calculate your monthly and annual EV charging costs at home and at public stations vs. gasoline.

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Heat Pump vs Furnace

Compare heating system costs including installation, energy bills, maintenance, and long-term savings.

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EV Tax Credit

Check your eligibility for federal and state EV tax credits based on income, vehicle, and filing status.

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Battery Storage

Evaluate home battery ROI with TOU rate arbitrage, solar pairing, incentives, and degradation over time.

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From our guides

Make sense of the 2026 EV tax credit changes

Clear, up-to-date explainers on what changed, what’s left, and how to make a smart call — backed by the same data as our calculators.

evtax-credit

What Happened to the EV Tax Credit? Your 2026 Guide to What's Left

The federal EV tax credit ended September 30, 2025. Here's who can still claim a grandfathered credit, which state and charger incentives remain, and what it means for EV economics in 2026.

7 min readRead article

evtax-credit

The Federal EV Charger Credit (30C) Expired June 30, 2026: What's Left

The Section 30C home EV charger tax credit — 30% of cost up to $1,000 — expired June 30, 2026. Here's what it was worth, who could still claim it for a pre-deadline install, and what remains.

4 min readRead article

evtax-credit

Which EVs Still Qualify for the Federal Tax Credit in 2026? (The Honest Answer)

No new EV qualifies for the federal tax credit in 2026 — and the viral '200,000-unit cap' loophole is a myth. Here's the real rule, who can still claim a 2025 grandfathered credit, and what actually replaced the credit.

4 min readRead article

Are EVs Still Worth It in 2026 Without the $7,500 Credit?

The federal EV tax credit is gone. An honest look at the new math — per-mile costs, break-even timelines, and which buyers still come out ahead in 2026.

7 min readRead article

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Use real numbers to decide when to go solar, switch to an EV, or upgrade your heating system.