3581 Guidance on co-location of battery energy storage system (BESS) with power generation plant

Overview:

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Power generation systems are decarbonising and so the need for electrical energy storage to manage grid demand and frequency is increasing. Battery energy storage systems (BESSs) have demonstrated their ability to provide grid-scale electrical energy storage and support grid frequency stability control. Consequently, many businesses and organisations are considering if BESS technology can add value to their existing operations through co-locating – for example, with onshore wind and solar, and other power generating plant.

The information contained in this publication is intended to give the reader a high-level understanding of the benefits, risks and interactions a BESS may bring when co-located with other power generation systems. This will enable the reader to progress into the concept and supplier selection stage of a co-located BESS project.

This guidance is for those who own or operate grid scale (which is typically over 1 megawatt (MW)) power generation plant and are considering co-locating BESS on to their existing site.

The guidance covers various topics at a high level, including:

• battery chemistry types;
• functionality of BESS, including arbitrage frequency response, renewable integration, etc.;
• key legislation, regulations and codes of practice;
• stakeholders who should be considered when co-locating BESSs;
• BESS risks including battery fire, explosion, smoke, electrical hazards, and
• environmental impacts of co-locating.