MMLD NEWS
The latest news and information from MMLD. Follow us on Facebook to get updates from us directly in your feed.
Merrimac Light vs National Grid
The difference between Merrimac Light and National Grid.We're dedicated to informing our customers of the benefits of public power versus investor-owned utilities, and one of the major benefits is the difference in cost. We strive to provide the best possible customer...
The Giving Tree Event
CANCELLED DUE TO RAIN. Due to rain we will be cancelling the Giving Tree event until further notice.
Invitation for Bid: Merrimac Light Office Building Renovation Project
The Merrimac Municipal Light Department (or “MMLD”) invites bids from qualified bidders for renovation of MMLD’s offices located at 10 West Main Street, Merrimac, Massachusetts 01860. Specifications and bid forms will be available electronically beginning on June 12,...
Take Advantage of these Energy Star® Rebates through MMLD
MMLD’s Appliance Rebate Program gives residential customers a rebate for purchasing energy efficient appliances.Energy Star RebatesThe Merrimac Municipal Light Department, in an effort to improve energy efficiency in the Town of Merrimac, is pleased to offer residents...
Understanding Electrical Transformers and Merrimac Light’s Three-Phase Transformer Policy
What is an Electrical Transformer?An electrical transformer is a device that transfers electrical energy between circuits through electromagnetic induction. It is essential for adjusting voltage levels, either stepping up (increasing) or stepping down (decreasing) the...
Electrify Merrimac 2024: Clock Tower Update
Last year, Merrimac voted in favor of of the town hall clock tower to receive the funding for Electrify Merrimac. This year, we’re busy putting together the plans and preparing for installation. Wondering how things are going?
Town Meeting Public Forum
Join us for a discussion about town meeting articles, roadway funding, public safety overrides and more! Tuesday April 15th and Wednesday April 23rd @ 6PM
What is an Electrical Service and What is an Amp?
An electrical service refers to the entire system that brings electricity from Merrimac Municipal Light into a building. It includes the service drop (overhead wires) or service lateral (underground wires), the meter, the main breaker panel, and all the wiring that...
What is the Demand Charge on my bill?
As a commercial customer, you may have noticed a demand charge on your recent electric bill and wondered what it is, why you’re being charged, and how it works. Understanding demand charges can help you manage your energy usage more effectively and even reduce your...
No-Cost Mass Save® Energy Assessment with HomeWorks Energy
Merrimac Municipal Light Department and HomeWorks Energy are teaming up to help residents with natural gas heat access the Mass Save® program!Reduce your energy use and make your home more comfortable—it all starts with a no-cost assessment.Access no-cost air sealing,...
Ask the General
Join General Manager Mary Usovicz for a Q&A session. We’ll be discussing the lockbox, peak shaving, Homeworks, and much more!
Merrimac Light Department Makes Major Purchase to Help Lower Your Electric Bill
On December 16th, Merrimac Light Department (MMLD) made an important investment in in a continuing effort to reduce your future electricity bills. The MMLD light commission reviewed and approved the purchase of a 1.4 MW gas-fired generator from Duke Energy...











