\i
NEWS
The Battalion I 1.21.15
3
(Left)
Rendering
depicts the
thermal
energy storage
tank after
completion in
2016.
(Right) The
thermal energy
storage tank
will be located
on West Cam
pus near UES
Satellite Utility
Plant 2.
$5M thermal energy storage tank to cut costs
Utility services estimate
around $600,000 to
$750,000 in yearly savings
By Jennifer Reiley
Utilities and Energy Services
is in the beginning phases of a
cost-cutting $5 million project to
install a thermal energy storage tank.
Jim Riley, executive director of
UES, said energy savings are pro
jected to range from $600,000 to
$750,000 per year through cost
avoidance.
Riley said the tank will be 90
feet in diameter at the base and 70
feet high. The tank will hold about
3 million gallons of chilled water,
which will be transported to cam
pus through pipes for continuous air
conditioning and dehumidification
within the buildings. The tank will
be next to Satellite Utility Plant 2 on
West Campus and will serve West
Campus buildings.
“Wellborn splits main campus
and West Campus. Thermal systems
only run parallel with that,” said
Zach McNew, communications
specialist for UES. “They don’t
cross over Welborn road. The ther
mals for West Campus are mostly
v'T': ' te-i!. ■
done at satellite plants. To help with
that, we’re going to install the tank. ”
Riley said the university chills
its own water at about 42 degrees
Fahrenheit.
“We buy electricity from the
electrical grid and we also produce
electricity,” Riley said. “Electricity
drives the big motors that drive the
chillers and the chillers is what chills
the water down to circulate through
the buildings.”
One benefit of the thermal energy
storage tank, Riley said, is it can be
charged at night, meaning the water
is cooled during the evening hours
between 10 p.m. and 6 a.m. Riley
said electricity prices, on average,
range from 2 cents
per kilowatt-hour
at night to 6 cents
during the day.
“When we are
buying electricity
from the regional
grid, power is
cheaper during the
off-peak periods,
at night and on
weekends,” Riley
said. “We may be
buying electricity
for 2 cents a kilo
watt-hour at night
when the wind turbines in west
Texas are blowing and load is rela
tively low, while running the very
large chillers base loaded to charge
the thermal energy storage, TES,
tank.”
McNew compared the process to
a battery, charging during the night
and discharging during the day. Ri
ley said utilizing electricity during
the night will benefit A&M’s energy
consumption during the day.
“A typical chiller at the util
ity plant may produce 2,500 tons
of cooling capacity, compared to a
3,000 square foot house that might
only have 5 tons,” Riley said. “Us
ing the TES system, we will be able
to shut down two or even three of
these large chillers in the peak of the
day when electric rates are highest
by charging the tank at night and
then just operating the pumps while
discharging.”
Riley said the TES tank also has
additional capacity benefits.
“If there was a problem with the
chillers, then we would still have
3 million gallons of chilled water
ready to dispatch to campus for
cooling, which provides greater ca
pacity to cool campus buildings un
der all conditions.”
UES runs initiatives and projects
to promote sustainability on cam
pus. Riley said the tank plays into
the sustainability plan
by helping the electri
cal transmission sys
tem.
“If we’re shifting
load from the peak
period to the off peak
period, that allows the
whole electrical grid
to operate more effi
ciently because we’re
not loading up the grid
and increasing loads at
peak periods,” Riley
said.
To inform campus
about different sustainability ini
tiatives, UES works with multiple
organizations around campus. One
such group, Environmental Issues
Committee, works with UES and
the Office of Sustainability to edu
cate and spread awareness of sustain
ability projects on campus.
Victoria Benson, psychology se
nior and chair of EIC, said students
should be aware and up to date on
these projects as they affect future
students as well.
Current construction is being
done off site as materials and parts
are ordered. Riley said intense con
struction will begin on campus in
the summer of 2015, and the proj
ect is expected to be completed by
April 2016.
Overall, water consumption on
campus has been reduced by 25
percent over the past 12 years even
as campus square footage served has
increased by 30 percent.
Riley said this reduction in con
sumption has been accomplished
by minimizing leaks and losses,
improving utility plant thermal ef
ficiency, installing plumbing fixtures
in buildings that eliminate excessive
flow and through closer manage
ment of campus irrigation systems
to minimize losses.
4JU ^ ^
r and '%Ts°7o o o
Brunsvo'' 1 "
Correction: In an article published Tuesday, The Battalion
incorrectly stated Michael Morrisey's title. He is a health policy
and management professor at the Texas A&M Health Science
Center School of Public Health.
E U J FIELD
^ IU 0QS
Place an Ad
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pSf Private Party Want Ads
Phone 979.845.0569
Suite L400,
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Texas A&M University
8 a.m. to 5 p.m. Monday through Friday
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GET THE POINT by David W. Cromer
Edited by Stanley Newman
www.stanxwords.com
ACROSS
1 Charley horse,
for instance
6 Approved
9 Razor
sharpener
14 Give a
testimonial
dinner for
15 Gun owners’ grp.
16 Easily duped
17 Augment
18 Go bad
19 Band of eight
20 Hearth tool
23 Compass pt.
24 Clothing border
25 NASDAQ debut
26 Rather long
wood fastener
32 Discourages
35 “C’estla !"
36 Nation north
of Mex.
37 Corrodes,
as iron
38 Mouth, so to
speak
39 Heron or egret
41 Exist
42 Lawn material
43 Horror-film sound
44 Rotisserie part
48 Santa , CA
49 Have a bite
50 Maker of
the Watson
computer
53 Craft-store
purchase
58 Dominican
Republic
neighbor
59 Jones
Industrial
Average
60 Sports-shoe
attachment
61 Arm of the sea
62 Chapter of
history
63 Astound 11 Solemn 39 Choppy-seas
64 Run-down in ceremony wave
appearance 12 More than 40 Museum
65 Poehler of Parks 13 Cat; perhaps display
and Recreation a rat; probably 42 "Get outta
6$ Ends of a bar not a bat here!”
magnet 21 Monocle glass 43 Reach across
22 Air-freshener 45 Prepared, as a
DOWN scent fishhook
1 Abrade 26 Explosive 46 Living thing
2 The Thinker initials 47 Stand-up
sculptor 27 Get away from scooter brand
3 Agassi of tennis 28 and tuck 50 Just right
4 Speck of dust 29 German auto 51 Bum brightly
5 People predicting 30 “That makes 52 Doles (out)
the future sense” 53 Welles film role
6 Highway access 31 Carefree 54 Africa's
7 McDonald's adventure longest river
founder 32 Dull-colored 55 What a comics
8 Palm fruit 33 Mystique light bulb
9 Charlie Brown's 34 Smartphone symbolizes
dog owner 56 Benchmark
10 Add, as an 38 Second-person 57 Ticklish Muppet
extra charge pronoun 58 That fellow’s
CREATORS SYNDICATE 6 2015 STANLEY NEWMAN STANXWORDSOAOL COM 1/21/15
City of College Station
AQUATICS is Accepting
Applications for: SEASONAL/
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@City of College Station Human
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Cleaning commercial buildings
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for interview.
Little Guys Movers now hiring
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this could be a great position for
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The Corner now hiring waitresses
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979-268-8867.
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