David Shaffer

Reporter | Energy and business
Phone: 612-673-7090
David Shaffer is a veteran reporter and editor for the Star Tribune, with more than three decades of experience on daily newspapers.

Recent content from David Shaffer

April 1: NRC troubled by 'degraded' Monticello performance

U.S. inspectors last year cited Xcel Energy for inadequate catastrophic flood planning. Now, the Nuclear Regulatory Commission wants to know why.

Updated: April 01, 2014, - 09:07 AM

Jan. 20: Xcel temporarily shuts Monticello plant for repairs

Xcel Energy shut down its recently upgraded Monticello Nuclear Power Plant over the weekend, saying it needed to repair a heat exchanger in the reactor coolant system.

Updated: March 31, 2014, - 09:29 PM

Crude oil response measures move rapidly through Legislature

State lawmakers push for improved grade crossings and more track inspection. But new pipeline rules were dropped.

Updated: March 28, 2014, - 10:04 PM

Amtrak's Empire Builder schedule changing to deal with freight delays

Travel from Seattle and Portland to St. Paul will take about 3 hours longer, and the trips out west will last an additional 90 minutes.

Updated: March 27, 2014, - 09:25 PM

Regulators to decide solar vs. natural gas

The Public Utilities Commission asked energy companies to propose power projects. Now it must decide between solar panels and natural-gas-burning...

Updated: March 25, 2014, - 09:22 PM

Sierra Club alleges Minnesota Power coal-plant violations

The Duluth-based utility questions the datapoint cited by the environmental group.

Updated: March 25, 2014, - 09:25 AM

Rail delays hurt energy and commodities

Oil trains get some of the blame, but hard winter slowed everything.

Updated: March 21, 2014, - 11:49 PM

Flint Hills plans $300M in additional upgrades at Rosemount refinery

The company plans to invest $300 million in power generation and product development.

Updated: March 19, 2014, - 08:08 AM

3 Minnesota bills focus on oil transport safety concerns

Measures call for more training and inspectors, better crossings.

Updated: March 18, 2014, - 08:48 PM

Opposition grows as oil pipelines proliferate in northern Minnesota

Near Park Rapids, some have four pipelines carrying crude oil under their land. A planned fifth is the last straw.

Updated: March 15, 2014, - 07:48 AM

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