Geothermal

Geothermal

Why this Colorado coal town is digging geothermal

Hayden is tapping renewable thermal energy to affordably heat and cool its new business park — and entice companies looking to reduce energy costs.

By Alison F. Takemura . 15 December 2025
Geothermal

Chart: Geothermal energy is attracting more and more investment

There’s a wave of renewed interest in the energy source, which could help the world keep pace with rising electricity demand and decarbonization targets.

By Dan McCarthy . 12 December 2025
Geothermal

Fervo nabs $462M to complete massive next-gen geothermal project

The Houston startup is part of a growing push to harness geothermal energy with new technologies. The funding will help Fervo finish its flagship Utah plant.

By Maria Gallucci . 10 December 2025
Geothermal

Cornell’s deep-down and rocky quest to unlock geothermal for New York

The university is drilling for geothermal energy to directly warm its campus upstate. The system could curb emissions without straining the grid.

By Maria Gallucci . 9 December 2025
Geothermal

A major networked geothermal project gets underway in Connecticut

The project will provide clean heating and cooling for New Haven’s train station and nearby public housing. It could be a test case for similar efforts statewide.

By Sarah Shemkus . 8 December 2025
Utilities

First utility-owned geothermal network to double in size with DOE funds

The $8.6 million grant for Eversource’s pioneering project in Framingham, Massachusetts, is a rare win for renewable energy under the Trump administration.

By Phil McKenna . 5 December 2025
Geothermal

In a geothermal milestone, Zanskar claims major discovery in Nevada

The firm says it has found an unknown, untapped geothermal resource that is viable using conventional drilling — a first in the U.S. in more than 30 years.

By Alexander C. Kaufman . 4 December 2025
Heat pumps

The loophole that could give clean heat a boost under Trump

The OBBBA killed tax credits for heat pumps, but kept them for commercially leased geothermal and thermal storage systems — a path to keep home clean heat rolling.

By Jeff St. John . 3 November 2025
Geothermal

Meet the coal miner who just started a geothermal drilling business

A Colorado entrepreneur is going all in on a renewable energy source that will keep him digging — and could be a model for other miners looking beyond coal.

By Alison F. Takemura . 30 October 2025
Geothermal

Eavor is about to bring its first-of-a-kind geothermal project online

The startup says it has cut drilling times and improved performance at its closed-loop geothermal system in Germany, which could produce power this year.

By Maria Gallucci . 28 October 2025