Code of Practice for Electrical Energy Storage Systems

The Code of Practice for Electrical Energy Storage Systems is currently in its 3rd Edition. It was published y The Institution of Engineering and Technology in 2024.

Electrical Energy Storage Systems (EESS) provide storage of electrical energy for uses such as increasing the self-consumption of buildings with renewable energy systems, arbitrage services, ancillary services and providing back-up or alternative power supplies.

The Code of Practice provides information for practitioners allowing them to specify, design, install, commission, operate and maintain a system.

The scope of theCode of Practice includes EESS intended for fixed installation applications such as:

• individual dwellings,
• commercial applications, including multi-occupancy buildings and multi-occupancy residential buildings,
• industrial applications,

It covers:

• electrochemical energy storage systems in electrical installations,
• integration into low voltage (LV) power systems (AC and DC) and,
• systems aligned with existing standards, regulations, and guidance.

The third edition includes:

• The latest developments in the electrical energy storage market.
• An update to the requirements for island mode isolators.
• Further guidance on fire safety and the location of batteries within an installation.
• Updates to schematics for domestic use.
• General update to the presentation of diagrams.

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