• Networked Geothermal
    Networked Geothermal

    Renewable, non-emitting, and equitable.

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  • HEET in the News
    HEET in the News

    Recognition and Press

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  • Gas Leaks
    Gas Leaks

    Finding solutions to reduce methane emissions.

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  • Energy Efficiency
    Energy Efficiency

    Helping nonprofits lower emissions and energy bills.

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Mission: To cut carbon emissions NOW by driving systems change.

Latest Updates

Department of Energy Awards $715,000 to Plan an Expansion of Networked Geothermal in Massachusetts Neighborhood  

A community coalition including the City of Framingham, the utility company Eversource Energy and the nonprofit HEET have been selected as one of 11 recipients of the Department of Energy’s Community Geothermal funding initiative. The award of $715,000 will go…

We’re hiring!

HEET is seeking a Director of Communications to strategically oversee and execute communications. As HEET’s work rapidly gains national prominence, the Director of Communications has the opportunity to drive a national clean energy campaign and define to the public a pathway that…

Spring Update: Networked Geothermal in Framingham, MA 

A street in Framingham that will be connected to the networked geothermal installation. In the fall of 2022, Eversource broke ground on the first gas utility-installed networked geothermal system in the nation. HEET’s Learning From the Ground Up research team,…

Networked Geothermal: The National Picture 

In Massachusetts and across the country, utilities, municipalities and advocates are moving forward on networked geothermal feasibility studies, legislation to allow gas utilities to become thermal utilities, and more. This March, HEET Co-Executive Director  Zeyneb Magavi had the chance to…

To invest or to innovate: Philadelphia Gas Works’ $8 billion question 

[Press Release | March 2023] An independent analysis by the nonprofit HEET finds that Philadelphia Gas Works (PGW), the city’s municipal gas utility, is projected to spend up to $8 billion over the next 35 years on new gas mains…

Understanding Cooking with Gas: Indoor Air Quality and Health 

There has been a lot of media attention in the past few months on gas stoves and health. Here’s a breakdown of what the research shows, what you can do today to improve your indoor air quality, and steps to…

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Videos

“We’re Aligned 100% With HEET”

Watch Bill Akley, president of Eversource Energy’s gas business unit, announce the GeoMicroDistrict pilots.

Gushing Natural Gas Leaks

Just 7% of natural gas leaks emit fully half of all the methane emissions from Massachusetts’ aging gas distribution system. Methane is a potent greenhouse gas. Fixing these leaks is critical to reducing our emissions.

Large Volume Leak Study

HEET worked with National Grid, Eversource and Columbia Gas to scientifically prove how to identify the largest gas leaks so they can be fixed.

Common Goals, Uncommon Partners

At an MIT summit, HEET and three gas companies announced a plan to fix the largest gas leaks. The plan includes independent verification, data transparency and annual reassessment.

Maura Healey Thanks HEET

Mass. Attorney General Maura Healey thanks HEET for its work to find a way to reduce methane emissions both in this state and nationally.

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