Geothermal

Geothermal

Networked geothermal advocates optimistic despite Massachusetts setback

Thermal energy networks are catching on in the state and around the country as a way to transition off gas and lower energy costs.

By Sarah Shemkus . 13 February 2025
Heat pumps

Geothermal heat pumps are crazy efficient. Should you get one?

The appliances are more expensive and less common than air-source heat pumps. But big incentives and superb efficiency can make up for the price tag.

By Alison F. Takemura . 3 February 2025
Geothermal

Chart: Geothermal has vast potential to meet the world's power needs

Thanks to next-generation technologies, geothermal has the potential to produce more electricity than any clean energy source but solar, IEA says.

By Maria Gallucci . 3 January 2025
Geothermal

Was 2024 a breakout year for next-generation geothermal energy?

Geothermal startups hit funding and project milestones this year, buoyed by growing demand for carbon-free energy from data centers, factories, and EVs.

By Maria Gallucci . 20 December 2024
Policy & regulation

Massachusetts passes bill to speed clean energy and slow gas expansion

The long-awaited legislation comes as advocates say more state-level climate policy is needed. Governor Maura Healey is expected to sign it into law.

By Carrie Klein . 15 November 2024
Geothermal

Sage Geosystems and Meta sign 150MW geothermal power agreement

Sage’s Meta partnership and other recent announcements underscore how next-gen geothermal is gaining traction as a potential source of 24/7 clean power.

By Dan McCarthy . 26 August 2024
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
Geothermal

Next-generation geothermal will soon power Southern California's grid

Startup Fervo Energy will supply 320 MW of clean, firm power to Southern California Edison from an enhanced geothermal plant under construction in Utah.

By Maria Gallucci . 25 June 2024
Geothermal

Massachusetts kicks off first pilot to shift gas utilities to clean heat

Multiple states see thermal energy networks as a way to clean up gas utilities. Eversource’s pilot project will be an important first test of the concept.

By Jeff St. John . 4 June 2024
Geothermal

Geothermal heat pumps are helping clean up city buildings

Initiatives in Austin, New York City, and beyond are aiming to curb costs and boost adoption of geothermal heating and cooling to reduce CO2 from buildings.

By Maria Gallucci . 29 April 2024