Mark Jaffe

Mark Jaffe has been a reporter for The Philadelphia Inquirer, Bloomberg News and The Denver Post. He was also previously a Paris correspondent for Businessweek.

Cities – sunny or cloudy – are fertile ground for solar panels, study finds

March 30, 2015 at 4:06 a.m.

Cities - sunny or cloudy - are fertile ground for solar panels, study finds

State may change billing

March 27, 2015 at 1:00 p.m.

State may change billing

Renewable energy isn’t boosting electric bills study contends

March 23, 2015 at 5:44 a.m.

Renewable energy isn't boosting electric bills study contends

Solar-panel installers with Bella Energy set up panels on the roof of a house in Boulder.

Growing into a new era of solar in Colorado

April 26, 2016 at 4:20 p.m.

Growing into a new era of solar in Colorado

Firm to convert sawdust, pine needles into jet fuel

March 16, 2015 at 1:52 p.m.

Firm to convert sawdust, pine needles into jet fuel

Colorado Xcel bills set to drop on lower natural gas prices

June 6, 2016 at 5:56 p.m.

Colorado Xcel bills set to drop on lower natural gas prices

Colorado drilling slowdown set to lead to April drop in oil production

March 11, 2015 at 1:18 p.m.

Colorado drilling slowdown set to lead to April drop in oil production

Tisha Schuller meets with the Longmont Times-Call editorial board Tuesday June 4, 2013.

Tisha Schuller to leave as head of Colorado Oil and Gas Association

April 24, 2016 at 6:09 p.m.

Tisha Schuller to leave as head of Colorado Oil and Gas Association

Nine big Colorado oil, gas drillers reel in spending, steady production

April 25, 2016 at 6:27 p.m.

Nine big Colorado oil, gas drillers reel in spending, steady production

Zack Shaw, left, and Neil Roggensack of Xcel Energy turned on a gas meter outside a home in Niwot.

Xcel Energy seeks $109 million increase in Colorado natural gas rates

April 25, 2016 at 4:48 p.m.

Xcel Energy seeks $109 million increase in Colorado natural gas rates

抖阴ap

Mark Jaffe

All Stories

Cities – sunny or cloudy – are fertile ground for solar panels, study finds

State may change billing

Renewable energy isn’t boosting electric bills study contends

Growing into a new era of solar in Colorado

Firm to convert sawdust, pine needles into jet fuel

Colorado Xcel bills set to drop on lower natural gas prices

Colorado drilling slowdown set to lead to April drop in oil production

Tisha Schuller to leave as head of Colorado Oil and Gas Association

Nine big Colorado oil, gas drillers reel in spending, steady production

Xcel Energy seeks $109 million increase in Colorado natural gas rates