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Guidelines for the fire safety of battery energy storage systems

There are currently no rules, advice or standards for how fire protection should be dimensioned or where battery energy storage systems can be installed in Sweden. This creates an uncertainty for those who want to install
battery energy storage systems. The aim of this project is to produce national guidelines regarding fire safety of BESS.

In order to utilize renewable energy sources such as solar and wind to their full potential, we need to be able to store the energy produced by these sources. One way to do this is to use battery energy storage systems (BESS).

Li-ion batteries are the dominant type of batteries on the market today. They offer excellent performance in terms of energy and power density but has a drawback when it comes to safety. Li-ion batteries can enter a state called thermal runaway, which is a state of rapid self-heating. In addition, the electrolyte is flammable which means that fire safety of BESS installations is crucial.

As of today, there are no national regulation, rules, requirements, advice, or standards available in Sweden on how to design a BESS in terms of fire safety. The lack of national advice leads to an uncertainty on how BESS should be designed and if and where they can be installed. Without national advice, each municipality and local rescue service must create their own advice and requirements. For the supplier and the installer of BESS, it will be impossible to develop a solution that could be used throughout the country. Additionally, the constant required ad hoc solutions will result in more expensive installations which mayin-turn hinder the transition to a fossil-free society.

The purpose of this project is to utilize existing research on the fire safety of Li-ion batteries, performed both at RISE and elsewhere, to support different stakeholders (such as the Swedish rescue service, suppliers and installers as well as the customers that want to install BESS) with guidelines on the fire safety of BESS installations. Additionally, it will support the introduction of BESS in a safe and cost-efficient way. Safe and costefficient introduction of BESS will ultimately help us to reduce our dependence of fossil fuels. The aim of the project is to develop national guidelines for fire safety design of BESS installations.

The Workshops 14 and 26th of September (Swedish) is unfortunately fully booked.

Summary

Project name

BESS Guidelines

Status

Active

RISE role in project

Coordinator

Project start

Duration

1 year

Total budget

1700000

Partner

Vattenfall AB, Polarium Energy Solutions AB, Brandskyddsföreningen, Utkiken, Räddningstjänsten Storgöteborg, Storstockholms brandförsvar, Södra Älvsborgs Räddningstjänstförbund, Räddningstjänsten Syd, Luleå Räddningstjänst, Volvo Energy, Swedish Defence Research Agency FOI, Länsförsäkringar, If Skadeförsäkring

Funders

FORMAS

Project members

Supports the UN sustainability goals

7. Affordable and clean energy
13. Climate action
Jonna Hynynen

Contact person

Jonna Hynynen

Forskare

+46 10 516 62 44

Read more about Jonna

Contact Jonna
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