Rocky Mountain Power customers, Idaho · Rebate

Wattsmart Battery Program (Rocky Mountain Power, Idaho)

Run by Rocky Mountain Power (Wattsmart Battery)

Idaho Rocky Mountain Power customers who install a new qualifying home battery and let the utility manage it get a $1,000 upfront incentive ($2,000 for a battery of 10 kW or more), plus yearly bill credits after the first year.

Open Checked Oct 27, 2026
Apply before you buy or install anything.Purchases made first don't qualify.

Amounts

How much you get

One-time upfront enrollment incentive for a four-year commitment, sized by the largest single battery, plus annual bill credits: $15/kW/year (capped at $100) in years 2-4 and $50/kW/year (capped at $250) after the commitment term. The amount depends on which of these fits your install.

What you installYou get
Single battery 10 kW or larger (upfront)$2,000
Single battery under 10 kW (upfront)$1,000

One-time upfront enrollment incentive for a four-year commitment, sized by the largest single battery, plus annual bill credits: $15/kW/year (capped at $100) in years 2-4 and $50/kW/year (capped at $250) after the commitment term.

Eligibility

Do I qualify?

You need to meet all 5 of these.

  • Rocky Mountain Power residential customer in Idaho.

  • New battery on the qualifying list that can integrate with Rocky Mountain Power's grid management (IEEE 2030.5). Batteries installed before the program approval date don't qualify.

  • A customer generation application must be approved before the battery is installed.

    What to doHave your installer submit a customer generation application and get approval before installing.

  • Residential customers must be on a Time of Day or Time of Use rate.

    What to doEnroll in Rocky Mountain Power's Idaho Time of Day plan.

  • Four-year participation commitment; the utility may use the battery daily but won't discharge it below 10%.

Equipment

What equipment counts

The program sets these minimums for solar and batteries.

  • Batteries

    New battery on the program's qualifying residential list, able to integrate with Rocky Mountain Power's grid management via IEEE 2030.5 with 30-second interval data.

Applying

How to apply

Your contractor applies for you. Get approved before you buy anything.

  1. Get an estimate from a certified installer for an eligible battery.
  2. Installer submits a customer generation application.

    You and the installer get an approval email from Rocky Mountain Power.

  3. Install the battery.
  4. Installer applies to the Wattsmart Battery Program.
  5. Rocky Mountain Power confirms the battery communicates.
  6. Receive the upfront incentive.

    By check, Venmo or PayPal.

Forms and instructions, including for applying by mailChanges to Wattsmart Batteries Program in Idaho and Wyoming

Your address

Next steps

Check that it covers your address. This program has to approve you before you buy anything, so start with the program, not a contractor quote.

FAQ

Questions

How much does Wattsmart Battery Program (Rocky Mountain Power, Idaho) pay?

$1,000 to $2,000, depending on what you install. The table under How much you get lists each amount. One-time upfront enrollment incentive for a four-year commitment, sized by the largest single battery, plus annual bill credits: $15/kW/year (capped at $100) in years 2-4 and $50/kW/year (capped at $250) after the commitment term.

Do I need to be a Rocky Mountain Power customer?

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

Do I need approval before I buy?

Yes. Apply before you buy or install anything; purchases made first don’t qualify. A customer generation application must be approved before the battery is installed. Have your installer submit a customer generation application and get approval before installing. Residential customers must be on a Time of Day or Time of Use rate. Enroll in Rocky Mountain Power's Idaho Time of Day plan.

Is it still available?

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

What happens if I move before the four years are up?

You repay a prorated share of the incentive; for example, stopping after two years means paying back 50%.

Can I enroll a battery I already have?

No, not for the upfront incentive. Batteries installed before the program approval date don't qualify.

References

Sources

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

  1. Wattsmart batteries - Rocky Mountain Powerrockymountainpower.net · Read Oct 27, 2026 · Re-checked weekly
  2. Changes to Wattsmart Batteries Program in Idaho and Wyomingrockymountainpower.net · 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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