Wattsmart batteries

At Rocky Mountain Power, we are working to find new ways for our community to use energy efficiently. When you participate in our Wattsmart Battery program, we'll automatically manage your battery as part of our smart power grid.


  • Get an upfront incentive when you enroll.
  • Earn ongoing bill credits.
  • Help create a healthier environment.
  • Keep electric prices among the nation's lowest. 
  • Use renewable energy effectively.

Review the customer information handout. Questions? Email us.
Are you a battery manufacturer? Find details on participation. 
Are you a trade ally? Review the vendor information video and handout

Innovating the grid of the future

Incentives are based on battery output (kW)

Eligible batteries and incentives (more than one battery requires pre-approval)

*Commercial customers receive $600/kW and residential customers with solar installed prior to 9/1/2021 receive $600/kW

Sonnen Core

4.8 kW x $400 = $1,920

Sonnen Eco

7.2kW x $400 = $2,880

Sonnen Core+

4.8 kW/up to 3-stacked batteries
1 battery = $1,920
2 batteries = $3,840
3 batteries = $5,760

Sonnen EcoLinx

30 kW/up to 6-stacked batteries
1 battery = $18,000


5kW x $400
1 battery = $2,000
2 batteries = $4,000

Fortress Power Envy True 8kW Based Systems

8kW x $400 = $3,200

Fortress Power Envy True 12kW Based Systems

12kW x $400 = $4,800

Torus Station Core with 8kW inverter

5kW battery system = $2,000
10kW battery system = $3,200
15kW battery system = $3,200

Torus Station Core with 16kW inverter

10kW battery system = $4,000
15kW battery system = $6,000

Torus Station Core with 24kW inverter

15kW battery system = $6,000


Apply for the program

Learn more about the program