Progress on the project is a further indicator that despite their opposition to wind and solar, the Trump administration and Republicans in Congress appear to back geothermal energy.
President Donald Trump issued an executive order on his first day in office declaring an energy emergency that expressed support for a limited mix of energy resources, including fossil fuels, nuclear power, biofuels, hydropower, and geothermal energy.
The One Big Beautiful Bill Act, passed by Republicans and signed by Trump in July, quickly phases out tax credits for wind, solar, and electric vehicles. However, the bill left geothermal heating and cooling tax credits approved under the Inflation Reduction Act of 2022 largely intact.
“The fact that geothermal is on this administration’s agenda is pretty impactful,” said Nikki Bruno, vice president for thermal solutions and operational services at Eversource. “It means they believe in it. It’s a bipartisan technology.”
Plans for the expansion project call for roughly doubling Framingham’s geothermal network capacity at approximately half the cost of the initial buildout. Part of the estimated cost savings will come from using existing equipment rather than duplicating it.
“You’ve already got all the pumping and control infrastructure installed, so you don’t need to build a new pump house,” said Eric Bosworth, a geothermal expert who runs the consultancy Thermal Energy Insights. Bosworth oversaw the construction of the initial geothermal network in Framingham while working for Eversource.
The network’s efficiency is anticipated to increase as it grows, requiring fewer boreholes to expand. That improvement is due to the different heating and cooling needs of individual buildings,which increasingly balance one another out as the network expands, Magavi said.
The project still awaits approval from state regulators, with Eversource aiming to start construction by the end of 2026, Bruno said.
“What we’re witnessing is the birth of a new utility,” Magavi said. Geothermal networks “can help us address energy security, affordability and so many other challenges.”
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