ASHRAE Journal - September 2019 - 53

TECHNOLOGY UPDATE

information for the facility operator.
"The integration of intelligent controls and phase
change materials (PCM) for thermal energy storage
applications has advanced to the point that any refrigeration project should consider TES for resiliency, risk
reduction, operational improvements and energy savings," Vance said.

Grid Operations
Thermal storage systems can also help customers with
load shifting and demand-response revenue benefits.
The utility grid is changing. Operators are challenged
with dealing with utility grid shut-offs, extreme weather
events and other obstacles that make managing the grid
difficult. With higher demand charges, customer utility bills are increasing, and refrigeration is a big energy
consumer. Using an energy storage asset at facilities can
help customers save on their utility bill, and thermal
storage systems can take advantage of demand response
or grid service revenue at the same time to help the
operators, according to Lerch.

Collin Coker, vice president of sales and marketing for
Viking Cold Solutions, said that generation on the utility
grid is no longer centralized due to the increased use of
renewable energy sources such as wind and solar and
the growth of distributed energy storage.
Solar power provides a growing percentage of the load
during the day and the utility grid is now experiencing
spikes when the sun goes down. The utilities must also
manage for fluctuating wind energy. These changes
make it difficult to balance supply and demand on the
grid, so utilities are providing incentives for energy storage systems, including thermal energy storage, that help
level out demand across the grid. 
Regardless of how cold storage facilities are powered,
thermal energy storage systems can help avoid high
demand periods on the grid and improve resiliency for
the site while also protecting food quality and shelf life.
"The load is changing, and thermal energy storage can
help both grid operators and cold storage facility owners tackle some of their greatest challenges at the same
time," Coker said.

THIS SUMMER

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S E P T E M B E R 2 0 19

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ASHRAE JOURNAL

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ASHRAE Journal - September 2019

Table of Contents for the Digital Edition of ASHRAE Journal - September 2019

Contents
ASHRAE Journal - September 2019 - Intro
ASHRAE Journal - September 2019 - Cover1
ASHRAE Journal - September 2019 - Cover2
ASHRAE Journal - September 2019 - 1
ASHRAE Journal - September 2019 - Contents
ASHRAE Journal - September 2019 - 3
ASHRAE Journal - September 2019 - 4
ASHRAE Journal - September 2019 - 5
ASHRAE Journal - September 2019 - 6
ASHRAE Journal - September 2019 - 7
ASHRAE Journal - September 2019 - 8
ASHRAE Journal - September 2019 - 9
ASHRAE Journal - September 2019 - 10
ASHRAE Journal - September 2019 - 11
ASHRAE Journal - September 2019 - 12
ASHRAE Journal - September 2019 - 13
ASHRAE Journal - September 2019 - 14
ASHRAE Journal - September 2019 - 15
ASHRAE Journal - September 2019 - 16
ASHRAE Journal - September 2019 - 17
ASHRAE Journal - September 2019 - 18
ASHRAE Journal - September 2019 - 19
ASHRAE Journal - September 2019 - 20
ASHRAE Journal - September 2019 - 21
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ASHRAE Journal - September 2019 - 28
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ASHRAE Journal - September 2019 - 36
ASHRAE Journal - September 2019 - 37
ASHRAE Journal - September 2019 - 38
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ASHRAE Journal - September 2019 - 49
ASHRAE Journal - September 2019 - 50
ASHRAE Journal - September 2019 - 51
ASHRAE Journal - September 2019 - 52
ASHRAE Journal - September 2019 - 53
ASHRAE Journal - September 2019 - 54
ASHRAE Journal - September 2019 - 55
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ASHRAE Journal - September 2019 - 58
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ASHRAE Journal - September 2019 - 60
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ASHRAE Journal - September 2019 - Cover3
ASHRAE Journal - September 2019 - Cover4
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