Europe’s energy storage market has hit a turning point. What was once a scattered, early-phase market featuring pilot projects and daring developers has swiftly evolved into a dynamic, capital-intensive infrastructure sector, writes Wood Mackenzie research associate Cecilie Kristiansen.

That was the view of Søren Juel Hansen, energy storage director at Nordic Solar, when asked by Energy-Storage.news about the role of transmission system operators (TSO) in the industry. 

System integrator Fluence saw revenue of US$475.2 million in the last quarter of 2025, while its net loss grew around 10% to US$62.6 million.

A 100MW/200MWh BESS project in Estonia has been inaugurated by Baltic Storage Platform (BSP), a joint venture (JV) between Baltic developer Evecon, French independent power producer (IPP) Corsica Sole and investment manager Mirova.

While steps are being taken, Spain still lacks the market mechanisms and regulatory framework for large-scale energy storage.

Power firm Uniper has entered into a conditional supply contract with organic solid flow battery company CMBlu Energy for the delivery of at least 5GWh of its technology.

By the end of December 2025, China’s cumulative installed capacity of new energy storage technologies including lithium-ion reached 144.7GW, representing an 85% year-on-year rise.

Lithium-ion companies have come out as the top-rated suppliers on a new long-duration energy storage (LDES) leaderboard, while CO2 Battery company Energy Dome is the highest non-lithium company.

Power firm RWE is about to start building a 400MW/800MWh BESS project in Germany, among the largest in the country to reach the construction stage. In related news, Kyon Energy has connected a 282MWh project to the grid, possibly the largest in the country to reach that milestone.

Leading BESS owner-operators across Europe discuss the key trends around the financing and deployment of grid-scale projects, with the segment now the driver of continent-wide deployments according to trade body SolarPower Europe.