The installation cost for a battery backup (energy storage solution) can vary widely from house to house. Age
of the home, location of electrical panels and access to the equipment all play
a part.
But,
there are several potential expenses that are often overlooked by online
“Project Calculators” which can quickly add to the installation costs.
Here are the Top 5 Potential Added Costs of
Installing an Energy Storage System (ESS):
Wall-mounted
batteries require special engineering to prove the wall framing can support the battery
weight. Inadequate engineering will incur extra expense to meet code and
equipment requirements.
Code
requires that an ESS not be mounted to the firewall between the
garage and home. Additionally, to avoid vehicle and safety-related accidents,
batteries mounted in the garage to the floor or wall may require installation
of:
•
Heat detectors
• Pedestals and seismic strapping to raise the batteries 18 inches above the
floor
• Permanent parking pollards to safeguard against vehicle collision with the
batteries
In
the event of an emergency or service call, personnel must be able to disable
your power storage
systems. Building
code requires the design and installation of Code Enforcement approved custom
safety maps, signage and design placards to direct and guide their work.
Energy
storage systems require a direct line of sight to the main service panel and a
disconnect within several feet of the installation. Fences or gates which
separate the equipment, obscuring this line of sight will
need extra disconnect switches, gear, and labeling.
Energy
storage system equipment must be at least 36 inches away from natural gas
supply lines. Any equipment within this space will require extra electrical
routing to meet code requirements.
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