Managers of the UK’s largest BESS owner-operator Gresham House Energy Storage Fund (GRID) discussed recent investment news and future strategy this week. 

We hear from Clean Horizon about the consultancy’s European battery storage revenue index being added to Nord Pool’s Data Portal.

Solar Media Market Research analyst Charlotte Gisbourne looks at the changing revenue and margin dynamics in the BESS supplier landscape.

How to enable bankability for large-scale BESS projects was the main topic of the opening panel discussion at the Energy Storage Summit 2026 which kicked off today (24 February).

It’s still to early to see the financial impact on energy storage suppliers in the wake of Trump’s tariffs and legislation, writes Solar Media analyst Charlotte Gisbourne, analysing their H1 revenues.

CATL, the world’s biggest lithium-ion OEM, saw flat ESS revenues in the first half of the year, but the extent to which this can be blamed on the increased US-China tariffs, if at all, is far from clear.

Evolving market dynamics in ERCOT and CAISO, the two leading US electricity markets for battery storage, call for smart optimisation strategies, write Ali Karimian and Alden Phinney of GridBeyond.

Rachel Locquet of Clean Horizon explores dynamics shaping Europe’s main markets and how to make the best decisions for maximising revenues.

Alper Peker and Dominic Multerer of Camopo explain how flexibility is the key to long-term profitability for hybrid renewables-plus-storage power plants.

There will be ‘foundational’ shifts in the US’ two largest renewables and energy storage markets this year, California (CAISO) and Texas (ERCOT), significantly affecting battery storage market participation.