Keeping you informed: A meter-mounted device (MMD) is a customer-owned extension of the meter socket installed between the meter socket and the company’s meter and allows for the connection of emergency generation, solar generation, whole-house surge suppression, etc. The MMD form is included in the Customer Generation application and will need to be uploaded to be considered.
Customer Generation MMD Process (PDF)
Keeping you informed: Effective June 1, 2024, all new inverter-based Customer Generation applications will be required to use UL 1741 SB certified inverters along with provided settings. These inverters will meet the IEEE 1547-2018 standard that updated the specifications and testing for the interconnection of distributed energy resources (DER).
Keeping you informed: To remain eligible for service under Schedule 135 or Schedule 136, a customer may increase the capacity of a grandfathered Eligible Generating Plant by no more than 15% of the originally installed nameplate capacity. This policy is applicable to systems > 10 kW. For systems below 10 kW, customers may increase their system size up to 10 kW.
Billing and tariff
- Utah Aggregation Form
- Utah Schedule 135 – Grandfathered Net Metering Program – closed to new applicants
- Utah Schedule 136 – Transition Program – closed to new applicants
- Utah Schedule 137 – Net Billing Program
- How to read your Schedule 135 net meter
- How to read your Schedule 136 transition program meter
- Understanding your Schedule 136 bill
Brochures and useful information
- Overview: Understanding Net Billing
- Connecting to Rocky Mountain Power's Energy System
- Key Components of a Solar Generation System
Technical resources
- Policy 138 - Distributed Energy Resource (DER) Interconnection Policy
- Effective Grounding for Customer Generation Facilities
- Frequently Asked Questions: Transient Overvoltage Management for Distributed Energy Resources
- Example Site Plan
- Example One-line Drawing
- Examples of Required Labeling
- Battery System Interconnections – Interim Technical Requirements
- Battery ESTOP and Solar Disconnect Example
