Important! Rocky Mountain Power's planned changes to the energy efficiency program became effective September 3, 2018. Changes include streamlining incentive tables to only include measure offerings and maximum incentive levels. Qualifications for energy efficiency measures going forward will be maintained on the wattsmart Homes program website. For questions or additional clarification, please email [email protected].

Multifamily Insulation

Energy Efficient Insulation

Get up to $0.75/sq. ft. cash back

Don’t hesitate. Insulate.

Upgrade the insulation in your multifamily property and earn cash back for every square foot. Along with the upfront savings, new insulation will boost the property’s value and appeal with lower heating and cooling costs and improved year-round comfort for your tenants.

Qualifications & Incentives


Electrically heated property incentive

Electrically cooled property incentive

Attic insulation $0.50 / sq. ft. $0.08 / sq. ft.
Wall insulation $0.75/ sq. ft. $0.15/ sq. ft.
Floor insulation $0.50/ sq. ft. N/A

Ensure the property qualifies:

  • Must be existing, not new construction

Requirements for all insulation projects:

  • Work must be completed by a Program-Eligible Weatherization Contractor listed on the Program-Eligible Weatherization Contractor List or maybe self-installed by the property owner. Please review our tips for hiring a contractor
  • Insulation must be installed according to the specifications outlined in the Wyoming Technical Specifications Manual
  • Insulation must be installed between unconditioned and conditioned living spaces
  • Areas that are not finished or conditioned living spaces, such as garages, do not qualify
  • Work completed must comply with all building codes and standards
  • Work performed as part of building code requirements do not qualify

Additional requirements for attic insulation:

  • Existing R-value must be no more than R-20
  • Final R-value depth must be equal to or greater than R-49
  • An electric heating or electric cooling system must serve at least 80 percent of the home's conditioned living space

Additional requirements for wall insulation:

  • Existing R-value must be no more than R-10
  • Final R-value depth must be equal to or greater than R-13 or fill cavity
  • An electric heating or electric cooling system must serve at least 80 percent of the home's conditioned living space
  • Basements do not qualify
  • Interior walls, such as walls between rooms, do not qualify
  • Insulation along rim joists do not qualify

Additional requirements for floor insulation:

  • Existing R-value must be no more than R-18
  • Final R-value depth must be equal to or greater than R-30 or fill cavity
  • An electric heating system must serve at least 80 percent of the home's conditioned living space

Additional program rules:

  • Mail all documents so they are postmarked within 90 days of the qualifying service completion date
  • For each area of the property, limit one incentive per insulation type, for the lifetime of the property
  • Incentive cannot exceed project costs, self-installed insulation are eligible for incentives on materials only
  • Incentive is paid by square footage of installed insulation
  • For customers applying for multifamily properties, please contact the program at [email protected] for detail on how to apply


Electric heating is defined as a permanently installed system consisting of an electric furnace, heat pump, or electric zonal heating system (baseboard or ceiling/wall heaters) serving as the home's current primary heat source. Space heaters do not qualify

Electric cooling is defined as a permanently installed electric heat pump or ducted electric central air conditioner serving as the home's current primary cooling source. Room air conditioners and evaporative coolers do not qualify

Non-electric heating or cooling is defined as a heating or cooling system with gas, oil, wood heating, pellet stove, or propane serving as the home's current primary heating or cooling source

Please see the Incentive Application for a list of required documentation and additional terms and conditions. Incentives and qualifications are subject to Wyoming Public Service Commission approval. Additional terms and conditions may apply.

Customer Eligibility

Multifamily properties featuring five or more attached units and no more than four stories tall are eligible to receive program incentives.

Multifamily property owners must have a landlord account on a qualifying residential rate schedule. You can find your rate schedule on your utility bill or by calling 1-888-221-7070.

Qualifying residential rate schedules:

  • Wyoming: 2 or 18

How to Apply


  • Review the information in the Customer Eligibility section of this page and call 1-800-942-0281 or email us at [email protected] to ensure your multifamily property is eligible
  • Pre-inspection of multifamily property
    • Once it has been established that the complex is on a qualified residential rate schedule, a pre-qualification inspection will take place
    • Please provide the following required information to initiate a pre-qualification inspection:
      • Specific street address or account number
      • Complex Name
      • Contact at the complex and phone number where they can be reached
      • Measures that are being requested to be inspected
    • Once this information is received, an inspector will assess the complex to verify whether it qualifies and if it would benefit from our incentive offerings
    • Your contractor will be notified of the status of the inspection. If the complex qualifies for any of the Home Energy Savings program incentives, the contractor will schedule a time with the property manager to complete the work

Contractor completes energy upgrades:

  • The contractor will perform the necessary work for the project to qualify for an incentive. Consult with your contactor to get a clear understanding of the work being performed and how long it will take. Also remember to notify your tenants about the work being done

Application is submitted:

  • Once the work is completed, the contractor submits an application to the Home Energy Savings program.
  • All units listed on the application must be verified on the landlord account (units may need to be added if they are not under the landlord account at time of review)
  • One itemized invoice detailing the work performed for the property must be submitted.
  • A completed W-9 form for the person or entity receiving the incentive check must be submitted along with the application for tax purposes. For changes to account name, contact Business Solutions at 1-866-870-3419.
  • In some cases a Third Party Payment Addendum will be required if a landlord account is not set up or if the payment is going to anyone other than the account holder
  • Applications cannot be processed if any required documentation is missing.
  • The property is then queued for a post-work inspection

Post-work inspection:

  • After receipt of a completed incentive application the program will schedule a post-work inspection to verify all program requirements have been met
  • A minimum of 25 percent of the units that received an energy efficiency upgrade must be inspected
  • Tenants should be notified of this post-work inspection beforehand

Application is processed and check is mailed:

  • Please allow six weeks plus mail service time for delivery of your incentive check after your application and receipt has been received and approved. Missing information may delay processing and delivery of your incentive check

Incentive Application Materials:

Questions? Call 1-800-942-0281 (option 2) or email us