Why Choose the Massachusetts Municipal Association Energy Program?

MMA chose Constellation as their endorsed energy supplier because of their greater flexibility to help you develop energy management solutions to protect your bottom line. Teaming up with Constellation allows you to take advantage of powerful benefits offered to MMA members. So why should you choose the MMA Energy Program?

Endorsed energy supplier
Endorsed energy supplier to the MMA’s MunEnergy Program providing energy education and solutions to municipal members across the Commonwealth of Massachusetts since 1998.
Contract terms flexibility
Flexibility in setting terms, such as “layering” your contracted purchases to mitigate spikes in energy pricing, allowing you to lock-in a percentage of future usage throughout the course of your agreement.
Dedicated load profile analysis
Dedicated, experienced MunEnergy team members analyze load profiles to offer various options for municipalities 
to manage their energy budget.
Attorney-vetted contracts
Contract has been negotiated and vetted by the MMA’s attorneys who specialize in municipal energy issues
Free access to 
an MMA attorney
On-call MMA attorney available for questions about the benefits of the fully-vetted energy contract at no cost
Sales offices located near you
Sales offices located throughout the state and regional offices located in Boston, Everett and Lowell
Online energy management tools
Free online energy management tools to track usage and billing
Energy offers designed for you
Customized energy offers specifically designed for municipalities
Full support from our team
MunEnergy team is available to present at energy discussion meetings

Constellation has been a pleasure to work with. Their representative assigned to Attleboro is knowledgeable and friendly. Questions are always answered in a timely manner. When I was looking at different vendors, I considered what we were getting and what others were offering and for how much, and I decided to keep the City with Constellation.

—Paul Heroux, City of Attleboro Mayor

Resources

Resources to help you manage your energy strategy.

SBTi: Advancing Climate Commitments Through a Defined Framework

Many organizations are setting ambitious climate and emissions reduction goals as part of their broader sustainability efforts. For businesses that... The post SBTi: Advancing Climate Commitments Through a Defined Framework appeared first on Constellation's Energy4Business...
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Products

Products and solutions to meet your energy needs.

Understand your facility usage and utility bills.

Analytics platforms such as Utility Bill Management can help you manage carbon emissions data associated with your utilities, including energy, water, sewer, and diesel. Use it to generate valuable insights, such as baseline energy usage data and how energy efficiency upgrades and other options can reduce emissions.

Make energy efficiency upgrades

Energy efficiency upgrades, such as LED lighting and HVAC upgrades, can help reduce energy consumption and carbon emissions. With Constellation’s Efficiency Made Easy® (EME) program, you can implement those infrastructure improvements with no upfront capital.

Purchase EFECS and RECS

Emission-Free Energy Certificates (EFECs) represent the emission-free attributes of generating sources that do not emit greenhouse gases, such as solar, wind, nuclear and hydropower. At today’s prices, these are the most cost-effective certificates available. Renewable Energy Certificates (RECs) represent the emission-free attributes of one megawatt hour (MWh) of electricity generated only by renewable power plants, such as from wind or solar power.

Explore renewable natural gas

Directly reduce greenhouse gas emissions resulting from natural gas consumption by matching your gas purchases with environmental attributes of renewable natural gas (RNG), derived from sources including landfills, wastewater treatment plants and commercial & agricultural waste digesters.

Leverage carbon offsets

Indirectly reduce such emissions through the purchase of carbon offsets, which represent a verified reduction in emissions of carbon dioxide or other greenhouse gas emissions made elsewhere through forestry, energy efficiency, industrial process improvements and carbon capture & sequestration projects.

Procure offsite renewables

Through Constellation Offsite Renewables solutions, you have the ability to go beyond purchasing certificates and integrate energy from specific renewable energy projects in your region. Purchase renewable energy from existing (CORe) or new-build (CORe+) generation, including solar and wind facilities, into load-following energy supply.

Pursue Hourly Carbon-Free Energy Matching of clean electricity with your load

By matching your electricity use with a local emission-free energy source in real time, you can go beyond other net-zero programs to allow you to eliminate the carbon impact of your operations and fully achieve zero emissions goals.

Webinars

Sign up for our upcoming webinars and view recordings.

Monthly Energy Market Intel Webinar

This month's webinar will include:

  • The most up-to-date forecast from Constellation’s meteorology team
  • Notable developments and insights on the economy
  • A check in on the status of natural gas storage, and current supply and demand fundamental
  • An assessment of important changes in the regional power markets and their impact on prices

Register Now
Wed. June 17, 2026 2:00 pm

Constellation's Energy Market Intel Webinar - June 2026

Our Energy Market Intel Webinar Series brings you key insights into market trends, buying strategies, and outlooks on power and natural gas pricing trends that can make you a smarter buyer and manager of energy for your company.

Topics: Summer weather outlook, Geopolitical impacts on energy markets, LNG growth and global supply risks, Natural gas fundamentals
Wed. May 20, 2026 2:00 pm

Constellation's Energy Market Intel Webinar - May 2026

Our Energy Market Intel Webinar Series brings you key insights into market trends, buying strategies, and outlooks on power and natural gas pricing trends that can make you a smarter buyer and manager of energy for your company.

Topics: Summer Preview, Geopolitical impacts on energy markets, MISO capacity market results, PJM price floor and ceiling for BRA capacity auction extended to 2030, ERCOT's 2026 long-term load forecast and big questions

MMA Newsfeed

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Lt. Gov. Kim Driscoll announces the Build for Mass initiative to...

Lt. Gov. Kim Driscoll announces the Build for Mass initiative to local leaders at a meeting of the Local Government Advisory Commission at the State House on July 14. The Healey-Driscoll administration today announced the launch of a new $75 million revolving loan fund to help cities and towns finance critical infrastructure, clean energy, climate resilience, and economic development projects. The first municipal infrastructure loan program of its kind in Massachusetts, Build for Mass will provide flexible, low-interest financing to help communities move projects forward faster while maximizing available federal funding opportunities, according to the administration. Build for Mass is expected to help communities repair aging infrastructure, lower energy costs, strengthen local economies, and gain more federal dollars. Lt. Gov....
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The Senate passed its version of a sweeping energy affordability bill...

The Senate passed its version of a sweeping energy affordability bill on July 1, following the House’s passage of its bill in March. The House and Senate bills take different approaches to improving energy affordability while continuing to make progress on clean energy efforts statewide. The House bill (H. 5175) focused on the Mass Save program, which provides services, rebates, incentives, and training to promote energy efficiency statewide, cutting nearly $1 billion from the program for 2025 through 2027. The Senate bill (S. 3166) would narrow the scope of the Gas System Enhancement Program, which is designed to repair or replace aged natural gas infrastructure, in order to realize $1.46 billion in savings. The bills also include several policy provisions...
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Both the House and Senate versions include funding for the Municipal...

Both the House and Senate versions include funding for the Municipal Vulnerability Preparedness program. A House-Senate conference committee held its first meeting on July 8 to begin its work of reconciling differences between environmental bond bills passed by each chamber. The borrowing bills include funding to strengthen infrastructure, invest in farms and local economies, protect water sources and the environment, reform permitting for housing and environmental initiatives, and support the western and central regions of the state. Gov. Maura Healey initially introduced the bill, called the Mass Ready Act, in June of 2025. The Senate passed its $3.94 billion version on April 15, and the House passed its $3.5 billion version on June 17. Authorizations The House version (H. 5518)...
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The Massachusetts Department of Transportation has opened the application window for...

The Massachusetts Department of Transportation has opened the application window for fiscal 2027 Round 1 through its Grant Central Fully Integrated Application, with a deadline of Aug. 7. The Fully Integrated Application is an all-in-one funding request portal used for all of the MassDOT Highway Division’s competitive grant programs (Community Culvert, Complete Streets, Local Bottleneck Reduction, Municipal Small Bridge, Shared Streets and Spaces). Applications may be submitted twice per fiscal year. The FIA does not apply to the Chapter 90 or the Municipal Pavement Program. MassDOT is highlighting a new funding opportunity in this round, aimed at supporting municipalities interested in expanding electric vehicle charging infrastructure. Grant funding under the new EV initiative may be used to support planning and...
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The House yesterday approved an economic development bill with $561 million...

The House yesterday approved an economic development bill with $561 million in funding and a number of policy provisions. The House yesterday approved an economic development bill with $561 million in funding and a number of policy provisions. One concerning policy provision for municipalities would allow multifamily housing by-right on land owned by religious institutions. The MMA has stated that this type of by-right provision undermines the local process and bypasses community input. The bill includes another provision that would standardize site plan review, and a provision that would create an opt-in program for communities wishing to convert commercial buildings to housing. Several provisions relate to micromobility devices, including a speed tier classification system and standardized definitions for ridership and...
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On July 30, the MMA will host the second webinar in...

On July 30, the MMA will host the second webinar in a two-part series focusing on strategic planning and organizational alignment. The second webinar will continue to explore strategies for building a cohesive municipal structure, and will feature a comprehensive implementation roadmap. Great Barrington Town Manager Liz Hartsgrove will continue the presentation. She brings two decades of expertise in executive leadership, strategic planning, and community engagement across various municipalities in the Cape Cod and Berkshire regions. Brewster Assistant Town Manager Donna Kalinick will serve as the moderator. The initial webinar was held on July 8. (Click here for the webinar recording.) Online registration is available for the 75-minute webinar, which will begin at noon. Only MMA members may register. MMA...
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Following below-normal precipitation in May and June, Energy and Environmental Affairs...

Following below-normal precipitation in May and June, Energy and Environmental Affairs Secretary Rebecca Tepper announced on July 9 that drought levels were being raised in the Western region of the state — placing the entire state in at least “significant drought” status. The hardest-hit region is the Northeast, which was raised to Level 3: Critical Drought in late May. The Western region joins the Southeast, Cape Cod, the Islands, the Connecticut River Valley, and the Central regions at Level 2: Significant Drought. Precipitation in June was between 1.5 and 4.5 inches, with persistent precipitation deficits throughout the state. The greatest deficits were on the Islands and the eastern and far southwestern parts of the state. While recent precipitation was welcome,...
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On July 8, the MMA hosted a webinar on mastering strategic...

On July 8, the MMA hosted a webinar on mastering strategic planning and organizational alignment for municipal governments. Great Barrington Town Manager Liz Hartsgrove began the presentation by emphasizing the wide scope of municipal government, defining it as “the leading organization that represents the values and the direction of a community.” She added that “there is no other organization that is expected to do the magnitude of services that we are expected to do.” Because of this important role in the community, it’s essential for everyone, ranging from town managers and department heads to interns and volunteers, to recognize their own leadership and responsibility within their roles. People’s behavior is increasingly shaped by the quick transactions of the private sector,...
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With a stroke of the pen today, Gov. Maura Healey finalized...

With a stroke of the pen today, Gov. Maura Healey finalized the fiscal 2027 state budget process, signing the Legislature’s $63.4 billion bill without amendments or vetoes. The law features a $40 million increase to Unrestricted General Government Aid for the year that began on July 1 and $160 per pupil for minimum new education aid. The budget law reconvenes the Foundation Budget Review Commission to study and recommend reforms to education aid. “We applaud the Legislature and governor for their efforts drafting a spending plan that maintains critical investments geared toward stabilizing the Commonwealth during ongoing economic uncertainty,” said MMA Executive Director Adam Chapdelaine. “We look forward to working with state leaders to build on the local aid investments...
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The MMA will host a webinar on Aug. 18 covering municipal...

The MMA will host a webinar on Aug. 18 covering municipal credit and bond ratings. The presenter will be Kristy Tofuri, a managing director at the Boston office of HilltopSecurities The MMA will host a webinar on Aug. 18 covering municipal credit and bond ratings. The session will provide an overview of: • The borrowing process • Bond ratings • The impact of ratings on municipal finances The presenter will be Kristy Tofuri, a managing director at the Boston office of HilltopSecurities, an investment banking firm that serves as municipal advisor to cities, towns, school districts, transit authorities, and utility districts across the Commonwealth. Tofuri has 20 years of experience in public finance and holds Series 7, 63, 50 and...
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Get in touch

Bill  Bartlett
Bill Bartlett
Sr. Association Manager Constellation
Bill  Bartlett

Bill Bartlett

Bill Bartlett, the Business Development Manager for the Massachusetts Municipal Association, has been with Constellation for almost 12 years. He enjoys working with the Association to help members with energy education and procurement strategies. One of Bartlett’s hobbies is traveling, and his favorite destination is Paradise Island in the Bahamas. His recommended blog is, “the next one,” as they are regularly updated and always relevant.

View Bio
Aiste  Dacys
Aiste Dacys
Business Development Manager Constellation
Aiste  Dacys

Aiste Dacys

Aiste Dacys is the Senior Development Manager for the Massachusetts Municipal Association. Dacys joined Constellation as part of the ConEdison Solutions acquisition in September 2016. She enjoys educating towns and cities about energy markets and MunEnergy benefits. Check out her favorite piece of advice from Constellation: How to Read Your Energy Contract Like a Professional.

View Bio
Charlotte  Diogo
Charlotte Diogo
Business Development Manager Constellation
Charlotte  Diogo

Charlotte Diogo

Charlotte Diogo is the Business Development Manager for the Massachusetts Municipal Association. Diogo has been with Constellation since 2007 and enjoys forming relationships with Association leaders and members. She recommends other Association members check out the testimonial for MMA members about the Town of Somerset, MA.

View Bio
Katie  McCue
Katie McCue
Deputy Executive Director Massachusetts Municipal Association

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How can the Massachusetts Municipal Association Energy Program help your municipality?

The Massachusetts Municipal Association (MMA) chose Constellation as their endorsed energy supplier to provide value to members like you. MMA members can manage energy costs in new and powerful ways to achieve budget certainty, cost savings, and financial protection with Constellation’s full range of integrated energy solutions. Constellation also provides MMA with educational materials and a dedicated focus serving cities and towns.

Why Choose the Massachusetts Municipal Association Energy Program?

  • Endorsed energy supplier to the MMA’s MunEnergy Program providing energy education and solutions to municipal members across the Commonwealth of Massachusetts since 1998.
  • Flexibility in setting terms, such as “layering” your contracted purchases to mitigate spikes in energy pricing, allowing you to lock-in a percentage of future usage throughout the course of your agreement.
  • Dedicated, experienced MunEnergy team members analyze load profiles to offer various options for municipalities 
to manage their energy budget.
  • Contract has been negotiated and vetted by the MMA’s attorneys who specialize in municipal energy issues
  • On-call MMA attorney available for questions about the benefits of the fully-vetted energy contract at no cost
  • Sales offices located throughout the state and regional offices located in Boston, Everett and Lowell
  • Free online energy management tools to track usage and billing
  • Customized energy offers specifically designed for municipalities
  • MunEnergy team is available to present at energy discussion meetings

Now’s the Time to Proactively Manage Your Energy Budget

Energy has become one of the top five expenses for many businesses, no matter what their size. Today, more businesses are looking to Constellation to develop energy
strategies to help manage these costs. Whether your business is looking for cost certainty with a fixed price solution; access to real-time market pricing with an index solution; or a more complex risk mitigation strategy, the Massachusetts Municipal Association Energy Program can offer customized solutions for your business.

Constellation is a leading competitive retail and wholesale supplier of power, natural gas and energy products and services across the continental United States. Constellation’s family of retail businesses serves residential, public sector and business customers, including more than two-thirds of the Fortune 100

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Contact Us Today!

Interested in learning more about the Massachusetts Municipal Association Energy Program? Visit associations.constellation.com/MMA or contact one of our Massachusetts Municipal Association Energy Program representatives below.

Bill Bartlett
Sr. Association Manager
Constellation
william.bartlett@constellation.com
667.313.5181
Aiste Dacys
Business Development Manager
Constellation
aiste.dacys@constellation.com
774.249.4312
Charlotte Diogo
Business Development Manager
Constellation
charlotte.diogo@constellation.com
508.208.4387
Katie McCue
Deputy Executive Director
Massachusetts Municipal Association
kmccue@mma.org
617.426.7272 ext.111