Colorado

Clean energy

Colorado goes big on clean energy before tax credits vanish

States are under pressure to expedite wind and solar projects before GOP policies make them more expensive. Colorado is leading the way.

By Julian Spector .

4 September 2025

Aerial view of solar panels in a field next to a road with a truck driving on it — The 13-megawatt Fort Lupton Solar Farm in Colorado (Jim West/UCG/Universal Images Group via Getty Images)

Fossil fuels

Colorado now requires health warning labels on gas stoves

The state is the first to put labels on the appliances pointing consumers to evidence about the harms of cooking with gas. Appliance manufacturers are suing.

By Alison F. Takemura . 19 August 2025
Green steel

America’s biggest solar-powered steel mill has a new owner

Rocky Mountain Steel gets most of its electricity from a 300-MW solar project in Colorado. A private-equity firm is acquiring the steel mill’s owner in a $500M deal.

By Maria Gallucci . 16 July 2025
Electrification

Colorado landscapers are discovering the perks of electric lawn equipment

State regulations limiting gas-powered lawn equipment for public properties went into effect this month. Users are warming up to the cleaner, quieter tools.

By Alison F. Takemura . 23 June 2025
Clean energy

Colorado’s rural electric co-ops are determined to build clean energy

The federal government promised to pay for upgrades to keep utility rates down. As Trump casts uncertainty over funding, what happens now?

By Keaton Peters . 8 May 2025
Geothermal

Lennar will build 1,500 new Colorado homes with geothermal heat pumps

The homebuilder is partnering with Dandelion Energy to install the tech, which is efficient but expensive — unless it’s built into new homes from the start.

By Jeff St. John . 2 April 2025
Utilities

Colorado and Connecticut lowered utility bills by reining in lobbying

A handful of other states have introduced similar legislation with the aim of saving ratepayers hundreds of thousands of dollars.

By Akielly Hu . 13 February 2025
Methane

Colorado launches first-of-a-kind landfill-methane monitoring program

Using EPA funds, Colorado will deploy cutting-edge technology for detecting methane emissions from its 80 landfills, making it a leader among states.

By Isobel Whitcomb . 25 September 2024
ENN

Colorado oil and gas regulators adopt ‘deep geothermal’ drilling rules

Emerging technologies could tap underground heat to help power the electric grid.

By Chase Woodruff . 14 August 2024
ENN

Commentary: A business-friendly plan to confront some of Colorado’s greatest challenges

A Colorado bill would make it easier to build housing in less car-dependent areas, helping residents save money and lower emissions.

By Kelly Trombley . 3 May 2024
ENN

Nine states pledge to boost heat pumps to 90% of home equipment sales by 2040

Northeast and Western states seek to make high-efficiency electric technology the norm in residential space heating and cooling and water heating.

By Annie Ropeik . 7 February 2024