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

We’re hiring!

Spring Update: Networked Geothermal in Framingham, MA

Networked Geothermal: The National Picture

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

Understanding Cooking with Gas: Indoor Air Quality and Health
Videos
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“We’re Aligned 100% With HEET”Watch Bill Akley, president of Eversource Energy’s gas business unit, announce the GeoMicroDistrict pilots. |
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Gushing Natural Gas LeaksJust 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. |
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Large Volume Leak StudyHEET worked with National Grid, Eversource and Columbia Gas to scientifically prove how to identify the largest gas leaks so they can be fixed. |
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Common Goals, Uncommon PartnersAt 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. |
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Maura Healey Thanks HEETMass. Attorney General Maura Healey thanks HEET for its work to find a way to reduce methane emissions both in this state and nationally. |