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Arizona customers, Arizona · Rebate

Arizona Solar Water Heating Rebate (Southwest Gas)

Run by Southwest Gas Corporation (administered with Resource Innovations, Inc.)

Southwest Gas residential customers in Arizona get $11.50 per therm of approved savings, up to $2,000 or 40% of installed cost, for a solar water heating system with natural gas backup installed by a Qualified Contractor in 2026.

Open Checked Oct 27, 2026

Amounts

How much you get

$11.50 per therm of approved savings (a one-time rebate), up to 40% of eligible project cost and no more than $2,000 for a residential system.

Eligibility

Do I qualify?

You need to meet all 3 of these.

  • Current or new Southwest Gas residential customer in Arizona on an approved rate schedule. Rates without the DSM surcharge are not eligible.

  • The system must heat domestic hot water otherwise heated by natural gas, and must be purchased (leased systems don't qualify).

  • Must be installed by a Program Qualified Contractor, who co-signs the rebate application.

    What to doHire a Southwest Gas Program Qualified Contractor; they also sign the application. Get a quote from a contractor

Equipment

What equipment counts

The program sets these minimums for solar and batteries.

  • Collectors must be OG-100 certified (or system OG-300 certified per the application); purchased, not leased; collectors within 90 degrees of true south, tilt 15°–60°; 10-year collector warranty, 5-year tank warranty, 1-year workmanship warranty.

Applying

How to apply

Purchase and install January 1 – December 31, 2026; application postmarked or submitted by January 31, 2027, or until funds run out.

  1. Choose a Program Qualified Contractor.
  2. Buy and install the system in 2026.

    Residential systems must be purchased and installed before applying; no reservation is needed for residential systems.

  3. Submit the application as soon as possible.

    The application, signed by you and the contractor, goes by email (solarwaterheating@swgas.com), fax or mail with supporting documents, postmarked or submitted by January 31, 2027.

    Go to swgas.com

  4. Receive the rebate.

    One check per approved application, paid in the order approved applications are received.

Forms and instructions, including for applying by mail2026 Arizona Solar Water Heating Program Rebate Application (PDF) - Southwest Gas

Questions about applying1-855-743-1603 or solarwaterheating@swgas.com

Your address

Next steps

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

FAQ

Questions

How much does Arizona Solar Water Heating Rebate (Southwest Gas) pay?

Up to $2,000 back.

Do I need to be a Arizona customer?

Yes. It’s only for homes in Arizona customers, Arizona. See Do I qualify for the details.

Do I have to use a contractor?

Yes. Must be installed by a Program Qualified Contractor, who co-signs the rebate application.

What’s the deadline?

Apply by January 31, 2027.

Is it still available?

Yes. It was open when we last checked, on October 27, 2026.

Do leased solar water heating systems qualify?

No. The system must be purchased by the customer.

References

Sources

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

  1. Solar Water Heating - Homeowner/Renter (Arizona) - Southwest Gasswgas.com · Read Oct 27, 2026 · Re-checked weekly
  2. 2026 Arizona Solar Water Heating Program Rebate Application (PDF) - Southwest Gasswgas.com · Read Oct 27, 2026 · Re-checked monthly

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

Report a problem with this page

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