ALERT: ERMU urges customers to adhere to lawn sprinkling restrictions to help sustain the community’s water supply. Learn More

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Electric Service Info for Builders & Contractors

View electric service requirements and agreements, information for HVAC contractors, and the ERMU wiring diagram.

Service Requirements

View information for residential home builders/owners, residential developers, and commercial developers/builders.

Service Agreements

View and download residential, commercial, industrial, and developer electric service agreements, including temporary electric service agreements.

HVAC Contractors

Find information about ERMU’s Residential Central Air Conditioning and Air Source Heat Pump Rebate Quality Installation Program. Contractors can register or update information.

Wiring Diagrams

View and download electric vehicle, residential solar, and ground source heat pump wiring diagrams.