POWER July 2015 - 61

PRBCUG PLANT OF THE YEAR
Xcel Energy's Harrington Generating
Station Earns Powder River Basin
Coal Users' Group Award
Courtesy: Harrington Generating Station, Xcel Energy
Harrington Generating Station, located near Amarillo, Texas, began burning
Powder River Basin (PRB) coal when its units first entered service, beginning
in 1976. A unique feature of the plant is that TUCO Inc. buys and
delivers the coal and Savage Services owns and operates the plant's coalhandling
facility. Incomparable housekeeping and exceptional safety performance
evidence the success of the plant's unique organization, which
was recently recognized with the PRB Coal Users' Group 2015 Plant of the
Year Award.
Dr. Robert Peltier, PE
A
marillo, located in the Texas Panhandle,
is a city of many names. Some
call it " The Yellow Rose of Texas " because
the city's name is taken from the Spanish
word for yellow. Others call it " Rotor
City, USA " because the V-22 Osprey military
aircraft is assembled there. Still others have
nicknamed Amarillo " Bomb City " because
the country's only nuclear weapons assembly
and disassembly plant is located there.
Xcel Energy's Harrington Generating Station
(HGS), located in the northeast edge of the
city, brings to Amarillo added notoriety with
the announcement that it received the Powder
River Basin Coal Users' Group (PRBCUG)
2015 Plant of the Year (PoY) award. Justification
for the award is encapsulated by a comment
made by one member of the PRBCUG
site inspection team: " The plant is a seamless
operation with a safety culture built upon the
philosophy that everyone goes home a better
person-every day. "
This is the 15th consecutive year that the
July 2015 | POWER
PRBCUG has honored plants that burn PRB
coal and demonstrate, according to its charter,
" innovation and implementation of best
practices and continual improvements in
areas including safety, environmental performance,
coal handling, boiler combustion,
and risk management. " The group's mission
is achieved through educational opportunities,
identifying and capturing industry best
practices, and facilitating a network of users
working together.
By taking PoY honors, HGS joins earlier
winners in the PRBCUG's Power Plant Hall
of Fame. The trophy presentation and recognition
ceremony took place on April 21,
2015, during the annual meeting of the PRBCUG,
co-located with the 2015 ELECTRIC
POWER Conference & Exhibition. Additional
information about the group, its 2016
annual meeting, and the awards program is
available at www.prbcoals.com and www.
electricpowerexpo.com.
HGS consists of three 360-MW PRB-fired
www.powermag.com
steam electric units built in 1976, 1978, and
1980 that were the first modern coal-fired
plants built in the region. HGS was designed
by the generation plant design group that was
within Southwestern Public Service Co. (SPS,
Xcel Energy's Texas-based operating company).
Each unit has a Combustion Engineering
(now Alstom Power) tangentially fired boiler
with five 863RS mills and a Westinghouse
cross-compound steam turbine.
The plant does not have a flue gas desulfurization
system or selective catalytic reduction,
although activated carbon injection is
used to reduce mercury in the flue gas. Emissions
are controlled by using low-sulfur coal,
combustion optimization, and baghouses on
Units 2 and 3 and a precipitator on Unit 1.
The average plant capacity factor was ~65%
in 2014, down from ~80% in 2005. Equivalent
availability factor was 79.1% in 2013.
The plant burns approximately 3.2 million
tons of PRB coal each year, as it has for over
35 years. Since the boilers were designed to
61
http://www.prbcoals.com http://www.electricpowerexpo.com http://www.powermag.com

POWER July 2015

Table of Contents for the Digital Edition of POWER July 2015

Contents
POWER July 2015 - Cover1
POWER July 2015 - Cover2
POWER July 2015 - Contents
POWER July 2015 - 2
POWER July 2015 - 3
POWER July 2015 - 4
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