NFPA Journal - May/June 2019 - 84
855
into ESS reserves during peak electrical usage hours, preventing the utility
from having to dramatically increase
power production. Similarly, peak
shaving allows ESS users to draw on
reserve power during daytime hours,
when the cost of power is higher, and
recharge at night when rates are lower.
This kind of flexibility has made ESS
an increasingly attractive option for
a range of stakeholders; according to
the DOE Global Energy Storage Database, the number of US energy storage
system projects increased 174 percent
between 2013 and 2018.
While the technology is attractive,
it is not without risks. Recent innovations allow more energy to be stored
in less space, increasing the energy
density and in turn increasing the fire
and life safety hazards associated with
84 | NFPA JOURNAL * M A Y / J U N E 2 0 1 9
certain ESS. Even though there are
currently published requirements for
ESS in NFPA 1, Fire Code, and NFPA
70®, National Electrical Code®, authorities having jurisdiction (AHJs) are
looking for additional guidance when
the request for an ESS installation
lands on their desks.
That's where the new NFPA 855
comes in. The 2020 edition of NFPA
855 began in 2016 when the NFPA
Standards Council approved a request
for NFPA to develop a standard on stationary ESS, and a call for members to
the committee was posted. The original request was submitted on behalf of
the California Energy Storage Alliance
in order to address gaps in regulation
identified through workshops held by
the US Department of Energy and the
Fire Protection Research Foundation.
Later in 2016, the Standards Council
appointed the first NFPA Technical
Committee on Energy Storage Systems. The initial draft of the standard
was developed by the committee over
three meetings and was released to the
public in 2017. Over the next two years
the committee met several times to
review feedback from the public and
to make improvements to the standard. The first edition of NFPA 855 is
due to be published in September.
Since the development of NFPA
855 is almost complete, much of its
content will most likely stay the same
as it makes its way through the standards development process. Several
NITMAMs have been submitted to
remove utilities from the scope of the
standard and increase the capacity of
ESS groupings that need to be spaced
NEWSCOM
A popular use of energy storage systems is to stockpile electricity generated by renewable energy sources. Here, photovoltaic arrays at
right generate electrical energy that is stored in the ESS equipment at left, providing a source of backup power for a train station.
NFPA Journal - May/June 2019
Table of Contents for the Digital Edition of NFPA Journal - May/June 2019
Contents
NFPA Journal - May/June 2019 - Cover1
NFPA Journal - May/June 2019 - Cover2
NFPA Journal - May/June 2019 - 1
NFPA Journal - May/June 2019 - 2
NFPA Journal - May/June 2019 - 3
NFPA Journal - May/June 2019 - 4
NFPA Journal - May/June 2019 - 5
NFPA Journal - May/June 2019 - Contents
NFPA Journal - May/June 2019 - 7
NFPA Journal - May/June 2019 - 8
NFPA Journal - May/June 2019 - 9
NFPA Journal - May/June 2019 - 10
NFPA Journal - May/June 2019 - 11
NFPA Journal - May/June 2019 - 12
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NFPA Journal - May/June 2019 - 14
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NFPA Journal - May/June 2019 - 20
NFPA Journal - May/June 2019 - 21
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NFPA Journal - May/June 2019 - 24
NFPA Journal - May/June 2019 - 25
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NFPA Journal - May/June 2019 - 27
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NFPA Journal - May/June 2019 - 35
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NFPA Journal - May/June 2019 - 41
NFPA Journal - May/June 2019 - 42
NFPA Journal - May/June 2019 - 43
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NFPA Journal - May/June 2019 - 55
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NFPA Journal - May/June 2019 - 63
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NFPA Journal - May/June 2019 - 65
NFPA Journal - May/June 2019 - 66
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NFPA Journal - May/June 2019 - 72
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NFPA Journal - May/June 2019 - 84
NFPA Journal - May/June 2019 - 85
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NFPA Journal - May/June 2019 - 108
NFPA Journal - May/June 2019 - 109
NFPA Journal - May/June 2019 - 110
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NFPA Journal - May/June 2019 - 117
NFPA Journal - May/June 2019 - 118
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NFPA Journal - May/June 2019 - Cover3
NFPA Journal - May/June 2019 - Cover4
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