Service Upgrades and New Installations Policy

The Wellesley Municipal Light Plant (WMLP) issues the Electric Service Upgrade and New Installation Policy in order to provide the requirements for electric service upgrade and installation to its customers, builders, contractors, engineers and any other entity upgrading existing or installing new electric service.

The Application may be submitted between 7 AM and 3 PM, Monday through Friday (excluding holidays) to the electric substation at 8 Municipal Way.  

Applications for services  equal-to or less than 400 Amps require a load calculation letter signed by a license electrician. Applications for services equal-to or greater than 600 amps require a load calculation letter with a professional engineer’s seal.

Questions should be directed to the WMLP Substation at 781-235-7600 x3390

You may submit the Application for New Service by clicking on the link and the application will be sent directly to WMLP.