Interstate Power and Light customers, Iowa · Instant discount
Alliant Energy Marketplace (Iowa)
Run by Alliant Energy (Interstate Power and Light)
Alliant Energy's Iowa customers can buy smart thermostats, LED bulbs, advanced power strips, air purifiers, water fixtures and EV chargers at instant-rebate prices on the online Alliant Energy Marketplace, with up to $150 off a smart thermostat when enrolled in Smart Hours at checkout.
Amounts
How much you get
The rebate is built into the product's price at checkout and varies by product. Example from the Marketplace: a Google Nest Learning Thermostat with sensor listed at $279.99 full price, $179.99 after instant rebates, and $129.99 when you enroll it in Alliant Energy Smart Hours. Alliant says the instant discount plus the Smart Hours enrollment bonus comes to up to $150 off a smart thermostat. No rebate gift cards are issued.
Eligibility
Do I qualify?
You need to meet all 2 of these.
For Alliant Energy residential customers in Iowa (Wisconsin customers use the Focus on Energy Marketplace).
The extra smart thermostat discount requires enrolling the thermostat in Alliant Energy Smart Hours at checkout.
What to doChoose Smart Hours enrollment at checkout; the thermostat ships pre-enrolled.
Equipment
What equipment counts
Applying
How to apply
You apply online.
- Shop the Alliant Energy Marketplace.
Prices shown already include the instant rebate.
- Enroll in Smart Hours at checkout (smart thermostats and Aquanta controllers).
Adds the enrollment bonus to the discount; the device ships pre-enrolled.
- Install and connect the device.
Forms and instructionsAlliant Energy Smart Hours for Iowa customers · Ways to save for your home - Alliant Energy · Rebate terms and conditions - Alliant Energy · Online home energy assessment - Alliant Energy
Stacking
Use it with
A thermostat bought with the Smart Hours enrollment bonus is enrolled in Smart Hours, which then pays seasonal rewards.
Interstate Power and Light customers, Iowa
Alliant Energy Smart Hours (Iowa)
Up to $100
Alliant Energy customers in Iowa earn a $50 enrollment reward plus $25 a season for each smart thermostat, Aquanta water heater controller, EV or EV charger they let Alliant adjust during a few peak events. Home batteries earn $100 per kWh of capacity plus a yearly performance payment.
Checked Oct 28, 2026
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 Alliant Energy Marketplace (Iowa) pay?
Up to $150.
Do I need to be a Interstate Power and Light customer?
Yes. It’s only for homes in Interstate Power and Light customers, Iowa. See Do I qualify for the details.
Can I combine it with other rebates?
Yes, with Alliant Energy Smart Hours (Iowa). See Use it with.
Is it still available?
Yes. It was open when we last checked, on October 28, 2026.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
- Alliant Energy Marketplace
- Alliant Energy Smart Hours for Iowa customers
- Ways to save for your home - Alliant Energy
- Rebate terms and conditions - Alliant Energy
- Online home energy assessment - Alliant Energy
When one of these pages changes, we re-check this page against it.
Nearby
More in Iowa
Interstate Power and Light customers, Iowa
Alliant Energy Appliance Recycling (Iowa)
Amount varies
Alliant Energy electric customers in Iowa can have an old, working refrigerator or freezer picked up and recycled for free and get $50 per unit, up to two refrigerators and two freezers per account.
Checked Oct 28, 2026
Interstate Power and Light customers, Iowa
Alliant Energy Instant Discounts program (Iowa)
Up to $1,200
Alliant Energy customers in Iowa get an instant discount on the invoice for qualifying heat pumps, central air conditioners, natural gas furnaces, geothermal heat pumps, ductless mini splits and heat pump water heaters bought through participating distributors. No rebate form.
Checked Oct 28, 2026
All of Iowa
Low-Income Home Energy Assistance Program (LIHEAP)
Up to $800
One-time help of $80 to $800 toward winter heating bills for Iowa households at or below 200% of the federal poverty level, plus crisis help such as furnace repair or replacement for homeowners. Apply at your county's Community Action Agency through April 30.
Checked Oct 28, 2026