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Battery energy
storage.
A grid-ready 5 MWh AC block, built for scalability and engineered for GWh deployment.
The Blue Sphere 5 MWh platform is a fully integrated AC block that combines battery, power conversion, controls and thermal management inside a single, factory-assembled container. It is the same class of AC block architecture already deployed in real-world utility projects across Europe, APAC and Africa by our technology partners.
Indicative platform characteristics. Final project specifications confirmed on request.
Six things the AC block is built for.
Built for faster deployment
A fully integrated AC/DC architecture with plug-and-play functionality removes the field integration between battery containers, PCS skids and controls, reducing project complexity and accelerating commissioning on site.
Built for higher density
Flexible back-to-back and tail-to-tail installation with only 15 cm spacing between units helps reduce GWh-scale project footprint by over 20% compared with conventional container layouts.
Built for easier operations
Factory pre-assembly, pre-commissioning and one-to-one string management minimise on-site work, simplify lifecycle maintenance and keep every string's performance individually observable.
Built for greater visibility
An integrated SPAC BMS and intelligent alarming platform provide real-time insight into cell, string and system state, improving safety, extending battery life and supporting warranty compliance.
Advanced safety system
Integrated thermal management combined with a fire mitigation design helps prevent thermal propagation between modules and enhances system-level operational safety across the container.
Flexible duration configuration
The platform supports both 2-hour and 4-hour system configurations, adapting to different grid services, capacity market products and revenue optimisation strategies without redesigning the AC block.
One platform, several revenue stacks.
Renewable arbitrage
Store excess solar and wind generation and dispatch when demand and prices rise, improving project economics and renewable utilisation.
Frequency regulation
Deliver fast, accurate frequency response services to support grid balance and participate in ancillary service markets.
Grid capacity support
Support local distribution networks when load exceeds available grid capacity, improving power quality and supply reliability.
Load shifting & peak shaving
Charge during off-peak periods and discharge during peak demand to reduce energy costs and reshape site consumption.
Ready to specify a project?
Share your site, duration target and grid connection and we will come back with an indicative AC-block configuration.