Energy Saving Tips


PMLD's Wind Farm on Wachusett

Helping You Save

You can save energy and money in many ways, in every season with Princeton Municipal Light Department's Energy Saving Tips and Links.


winter snowflake

PMLD contracts with the Massachusetts Municipal Wholesale Electric Company (“MMWEC”) and pays for the cost of Home Energy Assessments.

Home Energy Loss Prevention Service (HELPS) is the leading residential energy conservation service for Massachusetts municipal utility customers. HELPS provides energy education, home energy audits, assistance with home energy improvements and ENERGY STAR appliance rebates. Learn more about HELPS and what they do for you and your family.

Home Energy Audits

Established in 1988 by MMWEC, HELPS delivers Free Home Energy Audits, innovative energy technology and superior customer service.

Read more about HELPS or call their staff toll-free to schedule your Free Home Audit today. Call (888) 333-7525.


winter snowflake

Our affiliation with MUNIHELPS can save you green!

Check out the latest Rebates and Incentives for Princeton Municipal Light Department ratepayers.

  • Energy Star Appliance Rebates
  • Home Efficiency Incentives
  • Cool Homes Rebates
  • WiFi Thermostats
  • EVs and Plug-in Hybrid Vehicles
  • EV Residential Chargers

Check out the EV Incentive/Rebate and Free EV Charger Program!

Back to top