Rocky Mountain Power customers, Idaho · Rebate
Wattsmart Homes Heat Pump Water Heater Rebate (Rocky Mountain Power, Idaho)
Run by Rocky Mountain Power (Wattsmart Homes)
Rocky Mountain Power's Idaho Wattsmart Homes program pays $400 or $550 for a qualified heat pump water heater that replaces an electric storage water heater; you can install it yourself.
Amounts
How much you get
Per heat pump water heater, by efficiency tier. The amount depends on which of these fits your install.
| What you install | You get |
|---|---|
| Tier 2 and aboveHeat pump water heater | $550 |
| Tier 1Heat pump water heater | $400 |
Eligibility
Do I qualify?
You need to meet all 3 of these.
Rocky Mountain Power residential customer in Idaho on rate schedule 1, 36 or residential net metering. Landlords whose tenants are billed on those schedules also qualify.
Existing single-family, manufactured or multifamily home (up to three units per foundation, one application per unit), not new construction.
Must replace an electric storage water heater. Gas conversions and replacing an existing heat pump water heater don't qualify. Unit must be on the Qualified Products list.
Equipment
What equipment counts
The program sets these minimums for water heaters.
- Heat pump water heaters
On the Wattsmart Homes Qualified Products list at the time of purchase; any size.
Applying
How to apply
You apply online. Within 90 days of purchase or installation.
- Check the measure's requirements.
Review the home and product requirements on the measure's Wattsmart Homes Idaho page.
- Buy and install the heat pump water heater (or have a contractor install it).
- Apply online within 90 days.
Create an account in the Wattsmart Homes online portal, enter your Rocky Mountain Power account number and service address exactly as on your bill, and upload your itemized receipt or invoice.
- Receive the rebate.
Issued within 14 business days after approval.
Rocky Mountain Power account number
Itemized receipt or contractor's invoice
Forms and instructionsHeat Pump Water Heaters (Idaho) - Wattsmart Homes · Qualifications & Application - Wattsmart Homes · Customer support - Wattsmart Homes · Frequently asked questions - Wattsmart Homes
Questions about applying1-888-221-7070 or WattsmartHomes@rockymountainpower.net
Stacking
Use it with
Your address
Next steps
Check that it covers your address. Then, if you want, ask for a contractor quote.
Is it available at your address?
Before anything else
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Wattsmart Homes Heat Pump Water Heater Rebate (Rocky Mountain Power, Idaho) pay?
$400 to $550, depending on what you install. The table under How much you get lists each amount.
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.
What’s the deadline?
No fixed deadline. Apply any time while it’s open.
Is it still available?
Yes. It was open when we last checked, on October 27, 2026.
Will someone inspect my home?
Possibly. Homes may be randomly selected for a 20–30 minute inspection, and the application isn't processed until the inspection is complete.
How is the rebate paid?
You choose: PayPal, Pay to Card, bank transfer, Zelle or a mailed check, through Recipient Select. Customer rebates go to the utility account holder.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
- Heat Pump Water Heaters (Idaho) - Wattsmart Homes
- Qualifications & Application - Wattsmart Homes
- Customer support - Wattsmart Homes
- Frequently asked questions - Wattsmart Homes
When one of these pages changes, we re-check this page against it.
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