POWER October 2015 - 2

Spiritwood Station, Spiritwood, North Dakota
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Especially in light of the final Clean Power Plan's focus on efficiency, combined
heat and power may be worth a second look for some coal-fired power
plants. This cogen plant was designed from the start to maximize energy use
while minimizing emissions.
SPECIAL REPORT-FUELS
The Shifting Fates of Coal Markets, Coal Mining, and Coal Power
40
Though many media and lobbying organizations (both pro- and anti-coal)
have latched onto the idea that there's a war on coal in the U.S., the reality is
more nuanced. Just as the best-performing coal power plants will continue
to operate, so will the best coal mines. The reasons for hard times in coal
country have as much to do with management, markets, resources, and technology
as with regulations.
DISTRIBUTED GENERATION
Gas-Fired DG Showdown: Microturbines, Fuel Cells, or Reciprocating
Engines?
The battle of the gas-fired technologies is ongoing. Here's a look at where
each option is getting a new look, and why.
Diesel Gensets Aim at the Future
Diesel power is " mature, " uncomplicated, and historically a less-environmentally
friendly option. But when circumstances make diesel the best option, technology
improvements can make it more efficient and environmentally friendly.
Outside-the-Box Renewable Energy Microturbines
Thermal generation isn't the only place microturbines are playing a larger
role. They're also finding niche applications in distributed renewable power.
HYDROPOWER
Ludington Pumped Storage Plant Increases Efficiency to Provide
Greater Grid Support
When this pumped storage facility went online in 1973, it was the largest in
the world and there was no variable renewable generation on the grid. Times
have changed. So have components for pumped hydro plants. New stator
and onsite crane upgrades are making this facility more valuable than ever.
Hydropower Innovations Make Some Noise
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Gas- and coal-fired plants aren't the only ones leveraging new technologies.
Hydro plants are also deploying technologies that enhance flexibility and efficiency
while minimizing environmental impact.
COMMENTARY
The Clean Power Plan Is Final: Time to Find the Candles?
By Jennifer Macedonia, senior advisor, Bipartisan Policy Center
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■ Geothermal Energy: Is New Technology Resetting the Agenda?
■ Europeans Praise the Clean Power Plan While Yawning in Reaction
■ Sendai Nuclear Unit Restart Suspended Amid Equipment Trouble
■ Three of Exelon's Nuke Plants Fail to Clear PJM Auction Despite Jump in Payments
■ Coming Soon: The Solar-Powered Navy
www.powermag.com
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POWER October 2015

Table of Contents for the Digital Edition of POWER October 2015
