Executive Summary
- Great Britain saw a record-breaking battery buildout in Q4 2024, with 812 MWh of new energy capacity coming online—the largest single-quarter increase ever.
- All new battery sites in Q4 2024 were registered for the Balancing Mechanism, reflecting the growing importance of high-energy services like wholesale trading and system balancing.
- 98% of new battery capacity added in Q4 had a duration of at least two hours, highlighting a shift toward longer-duration storage for greater flexibility.
Subscribers to Modo Energy’s Research will also find out:
- How Q4 2024’s battery buildout compared to previous quarters and what it signals for future market trends.
- The impact of grid connection delays on battery deployment, and what’s next for projects still waiting to come online.
- Which major battery projects are expected to begin operations in 2025, pushing total GB battery capacity toward 6 GW.
To get full access to Modo Energy’s Research, book a call with a member of the team today.
812 MWh of new battery energy storage systems came online in Q4 2024
Battery buildout in Q4 2024 saw record-high new energy capacity beginning commercial operations and record-high Balancing Mechanism registration. 381 MW / 812 MWh of new battery energy storage systems (BESS) began commercial operations in Great Britain in Q4.
This brought the total rated power of batteries in Great Britain to 4.7 GW by the end of the year - with a total energy capacity of 6.6 GWh.