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Green Mountain Power customers, Vermont · Rebate

GMP Geothermal System Rebate

Run by Green Mountain Power

Green Mountain Power customers installing a qualified geothermal (ground-source) whole-home heating system can get a custom project rebate of $1,800 per heating ton, up to 10 tons; Efficiency Vermont adds $300 per ton.

Open Checked Oct 26, 2026

Amounts

How much you get

$1,800 per heating ton, for up to 10 tons, as a custom project rebate. Efficiency Vermont adds $300 per ton, for $2,100 per ton combined.

Eligibility

Do I qualify?

You need to meet all 2 of these.

  • Green Mountain Power electric customers.

  • A qualified geothermal whole-home system, handled as a custom project with GMP's Energy Innovation Team.

    What to doEmail GMP's Energy Innovation Team before the project to set it up as a custom project.

Applying

How to apply

Follow these steps.

  1. Contact GMP's Energy Innovation Team about your geothermal project.

    The rebate is a custom project rebate, so reach out before you install.

  2. Install a qualified geothermal system (up to 10 heating tons count toward the rebate).
  3. Apply for Efficiency Vermont's additional $300 per ton as well.

Forms and instructionsGMP Contact

Questions about applying(888) 835-4672

Stacking

Use it with

You can get these too.

  • Green Mountain Power and Vermont Electric Cooperative and Washington Electric Cooperative and Stowe Electric Department and Hardwick Electric Department and Village of Hyde Park and Village of Jacksonville and Village of Johnson Water & Light Department and Ludlow Electric Light Department and Lyndon Electric Department and Morrisville Water & Light and Barton Village Electric Department and Northfield Electric Department and Village of Orleans Electric Department and Swanton Village Electric Department and Village of Enosburg Falls Water & Light Department customers, Vermont

    Efficiency Vermont Ground Source Heat Pump Rebate

    Amount varies

    Vermont electric customers outside Burlington get up to $2,100 per ton back on a new ground source (geothermal) heat pump system up to 10 tons, installed by an Efficiency Excellence Network contractor, plus a $500 bonus for income-eligible households.

    Checked Oct 26, 2026

Your address

Next steps

Check that it covers your address. Then, if you want, ask for a contractor quote.

FAQ

Questions

How much does GMP Geothermal System Rebate pay?

$1,800 per heating ton, for up to 10 tons, as a custom project rebate. Efficiency Vermont adds $300 per ton, for $2,100 per ton combined.

Do I need to be a Green Mountain Power customer?

Yes. It’s only for homes in Green Mountain Power customers, Vermont. See Do I qualify for the details.

Can I combine it with other rebates?

Yes, with Efficiency Vermont Ground Source Heat Pump Rebate. See Use it with.

Is it still available?

Yes. It was open when we last checked, on October 26, 2026.

References

Sources

This page is built from these official pages, run by the program itself.

  1. GMP Whole Building Heating and Cooling Systemsgreenmountainpower.com · Read Oct 26, 2026 · Re-checked weekly
  2. GMP Contactgreenmountainpower.com · Read Oct 26, 2026 · Re-checked monthly

When one of these pages changes, we re-check this page against it.

Report a problem with this page

Nearby

More in Vermont

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    Checked Oct 26, 2026

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    Checked Oct 26, 2026

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    Checked Oct 26, 2026