Carbon-free buildings

Carbon-free buildings

7 numbers that explain why the future of buildings is all-electric

Key indicators, from the cost of fossil gas to the number of heat pumps sold, signal building decarbonization will march onward in the U.S. despite challenges.

By Alison F. Takemura . 7 January 2026
Electrification

California’s plan to boost plug-in heat pumps and induction stoves

Regulators greenlit a $115 million, first-of-its-kind effort to drive demand for tech that can make home electrification easier and cheaper.

By Alison F. Takemura . 17 December 2025
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

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
Utilities

Colorado mandates ambitious emissions cuts for its gas utilities

Resisting industry pressure, regulators ordered a 41% emissions reduction by 2035 — a move that supports Colorado’s climate goals and could guide other states.

By Alison F. Takemura . 2 December 2025
Heat pumps

New England kicks off $450M plan to supercharge heat pump adoption

The program aims to use federal funds awarded under the Biden administration to deploy more than 500,000 heat pumps in the chilly region over the next few years.

By Sarah Shemkus . 21 November 2025
Electrification

Electrify your home with our handy roundup before tax credits expire

You could save thousands of dollars on heat pumps, solar, and other home energy updates if you act before Dec. 31. Our explainers and guides will get you up to speed fast.

By Alison F. Takemura . 21 November 2025
Carbon-free buildings

New York pauses its landmark gas ban in new buildings

The state will delay enforcement until a legal dispute is settled, the latest in a string of moves from Gov. Hochul to “govern in reality” around energy.

By Alison F. Takemura . 14 November 2025
Carbon-free buildings

Is New York backpedaling on its pledge to electrify new buildings?

The state’s all-electric building standard is set to take effect Dec. 31. Gov. Hochul is considering delaying its implementation after pushback from some lawmakers.

By Alison F. Takemura . 11 November 2025