All 397 MW of new batteries commissioned in Q1 2026 joined the Balancing Mechanism on commissioning

Cumulative battery capacity by balancing mechanism status (MW), GB, monthly
Balancing Mechanism Unit
Non-Balancing Mechanism Unit
Virtual Balancing Mechanism Unit
Source: Elexon, Modo Energy
Note: Status of battery energy storage units in Great Britain at the end of each month. Batteries ≥7 MW.
MODOENERGY