David Shaffer

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David Shaffer

Reporter | Energy and business

Phone: 612-673-7090

Email: david.shaffer@startribune.com

David Shaffer is a veteran reporter and editor for the Star Tribune, with more than three decades of experience on daily newspapers.
Follow @ShafferStrib

March 25: Xcel cuts its electricity rate hike request

Facing criticism from customers and a state agency, Xcel Energy has reduced its requested rate hike from 10.7 percent to 8.2 percent.

Updated: March 25, 2013, - 09:17 PM

Nov. 18: Lost empire: Can Best Buy make a comeback?

Best Buy was once one of the most admired brands. Today, the founder and his loyal execs want a shot at restoring the company to its glory days, despite some big missteps in the past decade.

Updated: March 25, 2013, - 10:23 AM

Federal actions hold up two N.D. oil pipeline projects

North Dakota is having an oil boom, but pipelines have not kept pace — and Friday’s regulatory decisions won’t...

Updated: March 22, 2013, - 09:57 PM

Biofuel maker Gevo wins round in patent war

Gevo’s technology allows the company’s ethanol plants to produce a different form of alcohol that is potentially more profitable. But...

Updated: March 21, 2013, - 08:57 PM

Xcel hits Upper Midwest wind power record

The utility normally gets about 12 percent of its power from regional wind farms. But one night last month, the wind share hit nearly a third.

Updated: March 19, 2013, - 09:47 PM

Xcel Energy told to be more 'transparent' in rate hike request

The Department of Commerce called the utility’s revenue data backing a 10.7 percent rate hike request “opaque.”

Updated: March 19, 2013, - 06:21 AM

Minnesota lawmakers consider rate-based solar power incentives

New rates would change what utilities must pay solar-panel owners. Utilities would face a mandate.

Updated: March 05, 2013, - 11:11 PM

Canadian crude oil finds a new pathway through Minnesota

The Keystone XL pipeline to the U.S. heartland may or may not get built. Either way, railroads are gearing up to ship more oil — on tracks through Minnesota.

Updated: March 03, 2013, - 06:21 PM