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

Oct. 21, 2013: Sherco Unit 3 back in service

Xcel Energy's coal-fired Sherco Unit 3 in Becker, Minn., had been offline since 2011 after a catastrophic accident and a 22-month repair effort costing more than $200 million.

Updated: October 21, 2013, - 08:51 PM

Scientists in Minneapolis test turbines that get power from water

Scientists at the St. Anthony Falls Laboratory are helping a New York company test its submerged turbines that generate power...

Updated: October 19, 2013, - 02:00 PM

Oct. 19: Xcel defends expensive nuclear upgrade

Improvements to its Monticello nuclear power plant cost more than double the original estimate.

Updated: October 19, 2013, - 11:11 AM

Nuclear upgrade cost still a value for customers, Xcel says

Xcel says that the $655 million upgrade to its Monticello nuclear power plant is still a good investment despite costing...

Updated: October 18, 2013, - 05:31 PM

Sept. 29: Easing corn prices give relief to ethanol industry

The bottom line improved for many ethanol producers in the last quarter, and industry experts say the outlook is good...

Updated: October 18, 2013, - 11:06 AM

Oct. 18: Xcel wins approval for 4 Midwest wind farms

Xcel is eager to complete the projects to meet deadlines to receive federal tax credits.

Updated: October 18, 2013, - 05:16 AM

Judge raises questions about Minnesota's anti-coal law

A federal judge is asking pointed questions about the legality of a Minnesota statute that has been challenged by...

Updated: October 17, 2013, - 09:19 PM

Prairie Island nuclear plant repair goes on despite NRC partial shutdown

The Red Wing plant’s $280 million steam generator replacement is continuing despite the partial shutdown of the NRC, which oversees...

Updated: October 15, 2013, - 09:09 PM

More Minnesota ethanol plants seeking profits beyond ethanol

Three producers see advantages in making another kind of alcohol that can be sold as a higher-value chemical as well...

Updated: October 14, 2013, - 01:20 PM

Solar power for the do-it-yourselfer

Mouli Engineering of Eagan says its SolarPod system is the world’s first modular, plug-and-play solar array.

Updated: October 05, 2013, - 02:00 PM

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