Case Studies

Industry examples and lessons for battery storage design.

Industry references

The examples below are external industry incidents already documented in the ROCAS technology section. They are not presented as ROCAS-delivered projects.

Safety & business continuity

Fire risk is an investment risk.

A fire can damage assets, stop dispatch and disrupt the site. Evaluate protection before you buy.

26–27 August 2026

Stâlpu, Romania

A battery-storage hall fire required a difficult, prolonged intervention. IGSU did not establish the cause in this release.

Incident report ↗DSU / IGSU

7 May 2026

Czajków, Poland

A container battery fire prompted continued cooling, thermal monitoring and evacuation of nearby people.

Incident report ↗PSP Poznań

30 July 2021

Victoria Big Battery

Fire spread to a neighbouring Megapack during commissioning. Investigators identified a probable coolant leak and electrical faults.

Incident report ↗FRV / ABC; FEI / ESRG

Real incidents illustrate BESS fire exposure, not a controlled comparison of cooling methods. Cooling configurations at Stâlpu and Czajków are not established here. Immersion does not guarantee zero fire risk. Images and credits from the supplied ROCAS safety presentation.