Tomas Tengner is Global Product Manager, Energy Storage at ABB Marine & Ports. Over the past eight years he has driven the integration of large‑scale batteries on vessels, first as Global Product Specialist and, for the last five years, as Global Product Manager. Previously, Tomas spent eight years at ABB Corporate Research as a Senior Scientist responsible for Energy Storage research.

His expertise spans high‑energy ESS integration on onboard DC power systems; short‑circuit behaviour, fault current limitation and protection; EMC/noise immunity; BMS and state‑of‑charge/health estimation; class‑rules compliance (e.g., DNV); thermal‑runaway modelling and safety; battery aging modelling and lifecycle‑assured sizing and performance guarantees. He is inventor on over 15 patents and patent applications and has authored several technical papers.