Hanoi Power Corporation (EVNHANOI) has begun pilot operation of five battery energy storage systems at substations in Hanoi, Vietnam.

CATL’s energy storage division represented 19.23% of the Chinese battery manufacturer’s total revenue in the first half of 2026.

It’s been a busy week for the large-scale energy storage market in Poland, with projects moved to construction and delivery by EDF Power Solutions & Eurus Energy Europe, Eiffel Investment Group & Ergy, R.Power Renewables, and EDP.

ESS Tech Inc is deploying sodium-ion BESS in the US with Juniper Energy, while CATL deploys its sodium-ion technology in Eastern Europe with Solarpro.

Two weeks after announcing its acquisition of Harmony Energy, Swiss power firm Alpiq has unveiled its first large-scale battery project in its home country.

Qingfeng Yuan, CTO of Ampace, explains how semi-solid state cell chemistry and high-frequency cycling validation are addressing the artificial intelligence infrastructure sector’s zero-tolerance requirements for safety and reliability.

In this news roundup, Grenergy, MaxSolar and Saft, and Amarenco have made significant advancements on BESS projects in Spain, Germany, and France.

Brookfield has agreed to acquire battery storage developer-operator Aypa Power at an enterprise value of ~US$7 billion.

Germany will have its first capacity market (CM) auction in September this year, following confirmation from the country’s energy regulator.

BESS has huge potential to be deployed alongside AI data centres, but how are industry players positioning themselves to capture this opportunity?