Are battery energy storage systems safe on ships?

Gard published that in the past few months, has received several queries on the safe carriage of battery energy storage systems (BESS) on ships and highlights some of the key risks, regulatory requirements, and recommendations for shipping such cargo.

Are energy storage systems equipped with lithium-ion batteries dangerous?

Our focus in this article is therefore on energy storage systems equipped with lithium-ion batteries. Declaration of BESS Siddharth Mahajan, Senior Loss Prevention Executive, Singapore highlights that BESS with lithium-ion batteries is classed as a dangerous cargo, subject to the provisions of the IMDG Code.

Why are batteries classified as dangerous goods?

Because batteries are classified as dangerous goods due to fire and explosion risk. That means stricter packaging, labelling, documentation, and carrier approvals. This guide explains everything you need to know to stay compliant and avoid costly delays – from battery classifications to mode-specific rules and best practices for shipping safely.

Are lithium-ion batteries a dangerous cargo?

BESS with lithium-ion batteries is classed as a dangerous cargo, subject to the provisions of the IMDG Code. In the IMDG Code, there are multiple descriptions and shipping names for lithium cells and batteries, depending on their chemistry and whether they are stand-alone, within equipment, contained within vehicles or cargo transport units.

Are lithium batteries class 9 dangerous goods?

Most lithium batteries are classified as Class 9 dangerous goods but the exact handling requirements depend on: Other battery types – like lead-acid, nickel-metal hydride (NiMH), and dry cell batteries — may fall under different categories, but all require proper classification, documentation, and packaging to move legally and safely.

Are lithium ion batteries dangerous?

The following is crucial: From a nominal energy value of more than 100 Wh, batteries are classified as class 9 hazardous goods and are subject to the provisions of the ADR. The limit here is 2g per battery. When does a lithium-ion battery become critically defective?