Geothermal

Taiwan's energy dilemma

Yeh-Tang "Ricky" Huang and I discuss the struggle to build renewables, the nuclear debate, and the promise of geothermal power.

Feb 4 • David Roberts

1:09:45

What's the deal with closed-loop geothermal?

I talk to Eavor’s Jeanine Vany and Mark Fitzgerald about the engineering breakthroughs that could finally make geothermal geography-agnostic.

Jan 9 • David Roberts

1:05:03

Super-deep geothermal drilling ... with microwaves

I talk with Quaise CEO Carlos Araque about a technology that could persuade the oil and gas industry to drill for heat instead of fuel.

Oct 10, 2025 • David Roberts

44:40

Ann Arbor's experiment with a new kind of utility

Missy Stults explains Ann Arbor's novel plan to build a second, clean-energy utility alongside its incumbent.

Jul 23, 2025 • David Roberts

1:05:27

Trying to bring geothermal heat pumps to scale

Kathy Hannun on Dandelion’s Swedish drilling rigs, custom heat pumps, and a new 1,500-home partnership.

May 9, 2025 • David Roberts

1:02:50

Catching up with enhanced geothermal

A deep dive into Fervo's geothermal breakthrough: slashing costs, scaling up, and uniting the political spectrum behind always-on clean power

Feb 12, 2025 • David Roberts

1:09:42

Thermal energy networks are the next big thing

Could gas utilities transform into "thermal utilities"? Here's how networked heat pumps could give them a whole new business model instead of going…

Jan 1, 2025 • David Roberts

1:22:57

A few pictures & stories from Iceland

Here are a few of the places I visited in Iceland and the clever stuff they are working on.

Oct 23, 2023 • David Roberts

What's the deal with Iceland?

I talk with Halla Hrund Logadóttir of Iceland's National Energy Authority about the country's history with geothermal, its current energy mix, and it…

Oct 18, 2023 • David Roberts

48:45

Enhanced geothermal power is finally a reality

A decade ago, engineer Tim Latimer moved from oil & gas into geothermal power with a plan to apply the latest technologies from the former to the…

Jul 21, 2023 • David Roberts

1:20:59

What's going on with geothermal?

A conversation about the state of the geothermal industry -- the investment, the startups, the new consortia and initiatives -- with Jamie Beard…

Mar 31, 2023 • David Roberts

1:06:40

The extraordinary potential value of enhanced geothermal power

Geothermal power has conventionally been viewed as a baseload, always-on resource, like nuclear. But new research suggests it could play a much more…

Sep 30, 2022 • David Roberts

1:04:46