Author - The Journal
Mark Jaffe
Position: The Colorado Sun

Polis appeals FEMA’s rejection of $41 million in aid after Western Slope floods, fires

Polis joins elected officials, including U.S. Rep. Jeff Hurd, in warning of economic fallout from disasters

Trump administration forces coal power plant in Craig to continue operating

Federal energy officials claim there is a power emergency necessitating repair of the 45-year-old plant

Pushback by counties on solar projects is challenging climate goals, Colorado officials say

Cities, counties say report by the Colorado Energy Office was tailored to aid the governor in dictating solar siting rules, much as he has done around housing

Companies used scheme to shift liability for orphaned wells onto Colorado, lawsuit claims

Denver-based HRM Resources acted as a middleman, moving wells from larger companies to smaller ones that went bankrupt, lawsuit says

After ‘Snowpocalypse’ killed power, Silverton turns to microgrid

Community-size solar grids keep the lights on, and they headed to Southwest Colorado

How $500M in federal infrastructure money is being spent in Colorado

The state’s share of the 10-year, $1.2 trillion federal infrastructure act has mostly gone to water resources and scientific innovation

Colorado oil, gas companies offer $459 million to guarantee wells are plugged eventually

Plans seek to meet new state financial requirements, but some smaller operators hope to put up only a fraction of the needed funds

Exxon drops algae research, but Colorado labs press on in hunt for green fuel

Labs the petroleum giant funded still see potential in algae as a biofuel

Troubled operator K.P. Kauffman violated state order to stop selling its oil and gas

KPK says it must sell oil and gas or its 1,200 wells may end up orphaned

Heat pumps are having a moment in Colorado, but do they really work in the bitter cold?

Developed in 1857, tech improvements are making heat pumps a viable element in the contemporary transition to cleaner, more energy efficient homes

Colorado regulators out of patience with oil well cleanup

K.P. Kauffman Co. says it will be in better financial condition if it sells northeastern Colorado wells to a company proposing to use them for a carbon capture project

Tri-State is set to lose 25% of revenue as customers flee

Energy supplier adjusting as rural co-ops look to self-generate or purchase electricity on own terms