Hingham Municipal Lighting Plant


Hingham Municipal Lighting Plant (HMLP) is closing in on 125 years of service to the community of Hingham. HMLP continues to provide low cost, safe, and reliable electricity to the residents of Hingham while maintaining a high level of service and customer satisfaction. HMLP’s employees work hard to ensure that HMLP continues to strive for perfection.

Energy Saving Rebates and Programs

Energy Assessment Free $500 – $3,750 (Client pays 1/3)
Programmable Thermostat $50  
Smart Thermostat (Wi-fi enabled) $100  
Refrigerator $25 (proof of disposal required)  
Clothes Washer $25  
Dehumidifier $25  
Dishwasher $50 (expires 1/1/21; application deadline  for 2020 purchases accepted until 2/1/21)   
Electric Water Heater $75 (expires 1/1/21; application deadline  for 2020 purchases accepted until 2/1/21)   
Heat Pump (Hybrid) Water Heater $500  
Electric Vehicles $300 & ongoing bill credit  
Freezer $50 (expires 1/1/21; application deadline  for 2020 purchases accepted until 2/1/21)  
AC Unit $50 (expires 1/1/21; application deadline  for 2020 purchases accepted until 2/1/21)   
Central AC $100 (SEER rating 16.5+)  
Heat pump, ducted or ductless $500/ton, $2000 cap ($250 weatherization adder)  
Solar $1200/kW up to $12,000 (maximum system size of 10 kW) via the Department of Energy Resources  (DOER) Municipal Light Plant Solar Rebate Program.   
Weatherization 50% – $1000 cap (electric heat or central AC required)  
CHP System TBD  
Commercial Energy Assessment   $500 – $3,750 (Client pays 1/3)
Commercial Lighting Retrofit Rebate Program   50% -$4,000 cap per account

HMLP is pleased to offer rebates to its customers purchasing selected energy efficient Energy Star-certified appliances, Central AC, and NEEP Cold Climate Heat Pumps (ducted & ductelss). Certified items use significantly less energy than the average comparable model.

Ensure your purchase meets requirements by using the product look-up sites listed below:

Energy Star (small appliances)

NEEP Cold Climate Heat Pump list 


  • Customer must have an active residential account with HMLP.
  • Customers will receive a rebate check, mailed to the address on the customer’s account.
  • Annual rebate limit is $200.
  • Customer account must be in good standing with HMLP.
  • Only ENERGY STAR appliances are eligible for rebates. Confirm your item’s Energy Star certification here.
  • Customer must provide proof of purchase (sales receipt or invoice) dated on or after January 1 of the current year and Energy Star certification. The Energy Star product look-up site has certifications available for download. 
  • Appliance must be installed at the account location.
  • HMLP reserves the right to inspect the installation on premises.
  • HMLP’s Energy Star Rebate and Heat Pump Programs are subject to availability of funding.
  • HMLP reserves the right to change program terms, offerings, and requirements at anytime. 

Apply online for appliance & weatherization rebates. (The online application for heat pumps will be available soon!) In the meantime, email rebates@ene.org the following: (1) paid invoice and (2) AHRI or NEEP certification. In your email, include your HMLP account number and full name and address (including your zipcode). 

For more information about the appliance program, download the HMLP Appliance Rebate Form or call Energy New England (ENE) at 888-772-4242.

This offer is brought to you by Hingham Municipal Lighting Plant.


Your Home Energy Assessment is more comprehensive than ever before. To schedule the assessment, please call Energy New England (ENE) at 1-888-772-4242.

HMLP will continue to offer the Tier 1 and 2 services as described by the Massachusetts Department of Energy Resources. Customer Specialists at ENE will answer inquiries concerning energy savings measures that can be enacted to lower electric bills. The customer can also request an energy assessment, which is a service HMLP provides free of charge through ENE.

The first improvement in the new HMLP IS GOING GREEN program is in the Home Energy Assessment area. HMLP and ENE will now perform an infra-red inspection of the customer’s home as a part of the assessment. This inspection will help determine energy-saving interventions, such as insulation, caulking, and window and door re-glazing or replacement.

Call 888-772-4242 to schedule your Home Energy Assessment or signup online today.
For more information on how ENE can help you, please call 508-698-1208 or email solutions@ene.org.


Save money. Save time. Save carbon. 

Now is the time to switch from gasoline to electricity. Plug-in electric cars are fast, fun, affordable, and efficient. Compared to gasoline vehicles, electric vehicles (EVs) are less costly to operate and maintenance is cheaper and simpler. 

Hingham Drives Electric is a local initiative designed to raise awareness about the benefits of replacing gasoline-powered vehicles with EVs. Residents in HMLP’s territory are encouraged to test drive and experience the speed and power of EVs first hand. The Hingham Drives Electric website helps you access available rebates (link to applications are also below), take advantage of EV deals, and stay informed on rapidly growing EV market.

Be part of this important program. Schedule a test drive to see which car is the best fit for you! Call 1-833-44-EV-ENE (1-888-443-8363) or visit the Hingham Drives Electric website to learn more. View current offers or schedule a no-obligation test drive today!

Apply online for the a rebate on a Level 2 Smart (Wi-fi capable) EV Charger. Paper applications are accepted but will take longer to process. 

To sign up for the 2020-2021 “90 Cents A Gallon Off-Peak Charging” program, please send an email to EV@ene.org


CFL bulbs are available at HMLP’s office on 31 Bare Cove Park Drive, Hingham, MA.

HMLP has had several energy efficient lighting programs with Light-Emitting Diode (LED) bulbs, including subsidizing discounts at local stores, distributing free bulbs at its office, giving bulbs to several groups at the Senior Center, sharing bulbs with Hingham students at various educational outreach programs, and making bulbs available to participants during Hingham Family Fun Day. HMLP will continue to find opportunities to encourage its customers to use LEDs. HMLP can increase LED usage by introducing the benefits of LEDs through continuing promotions (giveaways) and working with its customers when they purchase bulbs.


HMLP is participating in the Department of Energy Resources (DOER) Municipal Light Plant Solar Rebate Program. The program offers a rebate of $1200 per kW DC, up to $12,000 (maximum system size is 10 kW DC.) The DOER and HMLP split the rebate amount. 

Information About Net Metering


** All weatherization rebates require a free energy assessment. Call 888-772-4242 to schedule your Home Energy Assessment or SIGN UP today.)

HMLP offers a weatherization rebate of 50% of the job cost, capped at $1000 per account, for customers who use either electric heat or central AC. Improvments must be recommended in the home energy assessment report & have a payback of 10 years or fewer. Weatherization for new construction is not eligible for rebate. Additions to existing homes are considered new construction. Eligible improvements can include:

  • Insulation: attic, wall, floor, crawlspace, or rim joist
  • Air sealing measures: weatherstripping, caulking, or installation of interior storm windows

If the homeowner uses self-labor, submit receipts for materials purchased. A dollar value for self-labor is not eligible for a rebate.

For more information on how ENE can help you, please call 508-698-1208 or email solutions@ene.org.


Commercial properties can now receive Energy Assessments that cover lighting and HVAC equipment. To schedule an assessment, please call Energy New England (ENE) at 888-772-4242 or email solutions@ene.org.

HMLP has contracted with Energy New England to provide energy management studies and to develop a plan of action for each energy conservation measure identified. The assessments cover such end-uses as lighting, heating, ventilation, and air conditioning (HVAC). The specialist develops energy conservation measures that are end-use specific based upon standard engineering analysis as well as cost estimates derived from experience or other similar projects. HMLP has structured the program so that the customer pays one third (1/3) of the cost of the assessment. The remaining two thirds (2/3) of the cost of the assessment will be paid for by HMLP. HMLP’s portion will range from $500 to $3,750.


HMLP offers a Commercial Lighting Retrofit Rebate Program to its commercial, industrial, and municipal customers that retrofit inefficient interior lighting systems, or convert outdoor lighting to Light Emitting Diode (LED). The lighting rebate applies to the retrofitting of existing:

  • T12 fluorescent lamps with magnetic ballasts to T5 or T8 lamps with electronic ballasts
  • T12 high output or high intensity discharge (HID) fixtures to T5 or T8 high output with electronic ballasts
  • Compact fluorescent lamp (CFL) exit signs with new Light Emitting Diode (LED), Electroluminescent, or Photo luminescent exit signs
  • High pressure sodium, mercury vapor, or incandescent outdoor lighting to LED
  • The installation of occupancy sensors – passive infrared and/or ultrasonic detectors only with no manual ON or override switches

HMLP caps the rebate amount at 50% of the project cost with a maximum of $4,000 per account. The rebate amount is credited to the customer’s account.

For more information about this program, call Energy New England at 888-772-4242 or email solutions@ene.org.


Industry studies indicate that facility HVAC equipment represents approximately 31% of potential electric savings and 33% (over 2,000 kW) of potential Peak kW Demand reduction. An HVAC program has been developed by a Consortium for Energy Efficiency. HMLP’s HVAC program will be geared toward commercial/industrial customers who utilize roof top units (RTUs). The program will encourage customers to purchase high efficiency units for new applications or when replacing failed units. Rebates will be developed based on the tonnage of the unit as well as the efficiency. HMLP intends to develop a program similar to the Consortium’s “Cool Choice” program (details to be provided). Due to the technical nature of motors and HVAC systems, HMLP envisions creating the specifics of this program with the ENE specialists.

The HMLP reserves the right to change any portion of this program or end the program at any time without notice.