Geothermal

Magma and hot rocks: Iceland seeks the future of geothermal energy

Geothermal energy is having a moment globally. Iceland is at the fore, with new research that aims to harness heat from volcanoes and superhot formations.

By Maria Gallucci . 22 July 2024

lava flowing from volcano — Lava flows from the Sundhnúkur volcano near Grindavik, Iceland, on June 2, 2024. (Photo by John Moore/Getty Images)

Geothermal

Startup claims breakthrough in turning the earth's heat into clean power

Fervo Energy, an enhanced geothermal company, says its pilot site in Nevada shows it’s possible to produce “24/7 carbon-free energy” in new geographies.

By Maria Gallucci . 18 July 2023
Geothermal

Why this NYC apartment complex will use a giant underground heat pump

Join our reporter as she steps inside the muddy construction site at 1 Java Street to learn the benefits and barriers of harnessing the earth's heat to decarbonize buildings.

By Maria Gallucci . 12 June 2023
Geothermal

This Texas geothermal startup is storing energy in the ground

Sage Geosystems says its earthen "battery" system, now undergoing pilot tests in Texas, could be used to store energy to help balance power grids.

By Maria Gallucci . 4 April 2023
Geothermal

Fervo Energy’s new project will harness the earth’s heat to capture CO2

The geothermal energy startup says it will design and engineer a system combining advanced drilling technology with a "direct air capture" system to collect carbon.

By Maria Gallucci . 23 February 2023
Geothermal

Utilities may use their pipes for geothermal heat instead of gas

Several utilities in the Northeast already have pilots underway to explore a switch to networked geothermal. Will it help them ride out the energy transition?

By Lisa Prevost . 13 February 2023
Fun stuff

Cartoon: Burning Man vs. US government

By Climatoonist . 1 February 2023
Geothermal

Here's a model for bringing geothermal to urban areas

Geothermal systems can cleanly heat and cool buildings, but they can be costly and complex to install, especially in cities. A Chicago building shows the way.

By Audrey Henderson . 20 December 2022
Geothermal

Dandelion Energy raises $70M to take geothermal heat pumps mainstream

The Google spinout installs ground-source heat pumps for households in the frigid Northeast. Now it’s got federal tax credits and energy inflation to help it make the pitch.

By Julian Spector . 21 November 2022
Podcast

Could geothermal become a major zero-emissions player?

New geothermal technologies could help scale an industry that historically has been limited by geography.

Play

By Lara Pierpont . 60 min . 9 September 2022
Geothermal

Advanced geothermal heats up with $138M round for startup Fervo Energy

Houston-based Fervo uses drilling techniques from the oil and gas industry to tap heat deep in the Earth and turn it into clean electricity.

By Maria Gallucci . 22 August 2022