Custom Program Application

Our Custom Program offers large business customers rebates to reduce the upfront cost of purchasing higher efficiency equipment, including lighting, HVAC, motors and more. Customers can choose from a prescriptive list of measures with set incentives or submit a custom project proposal with incentives based on kWh savings achieved.

Application Process

  1. Submit the following pre-application documents provided below:
  2. Receive notice of reservation of funds.
  3. Install equipment.
  4. Submit the following final application documents:
    • Part 1: Final Application
    • Part 2: The appropriate Prescriptive and/or Custom Measure Worksheet(s) – see below
  5. Receive rebate approximately 4-6 weeks after submitting completed application.

Part 1: Rebate Application: Contains option for both Pre-Notification and Final Application.

Part 2: Custom Measure Worksheets

Room Count

Please download and use this room count for lighting application submissions. A room count sheet is required on all projects over 30 fixtures and all de-lamping projects.


Only UniSource customers on these commercial pricing plans are eligible to participate in this program:

Description Rate Code
Small General Service EGSGS
Small General Service Time-of-Use EGSGST
Large General Service EGLGS
Large General Service Time-of-Use EGLGST
Large Light and Power Service EILPS
Large Light and Power Service Time-of-Use EILPST
Interruptible Power Service (Frozen) EGIPS-F

Energy-efficient equipment purchased, work contracted and work completed prior to the program start date are not eligible for incentives.

Incentives are capped at up to 75% of the incremental cost per prescriptive measure and up to 50% of the incremental cost on custom measures. The incremental cost is the difference between the cost of installing a high-efficiency equipment and the cost of lower-cost standard equipment.

Due to revisions to the Business Energy Solutions program, please note that previous program applications and worksheets cannot be used. Please download the updated application and supporting materials and submit them for your 2024 projects. Please refer to the Policies & Procedures document for a full description of program rules and guidelines.

Funds are not reserved until you receive a funding reservation notification.