# BYD signs 12.5 GWh of grid battery contracts with Saudi Electricity, the largest grid-scale storage deal to date

Canonical page: https://technooptimist.io/stories/byd-signs-12-5-gwh-of-grid-battery-contracts-with-saudi-electricity-the-e0f846bb
Date: 17 Feb 2025
About: [BYD](https://technooptimist.io/companies/byd.md) · [Haohan / MC Cube grid storage](https://technooptimist.io/energy/byd-grid-storage.md)
Original source: https://www.pv-magazine.com/2025/02/17/byd-to-supply-12-5-gwh-of-battery-storage-in-saudi-arabia/

BYD Energy Storage signed contracts with Saudi Electricity Company for 12.5 GWh of batteries across five projects, after reports in January named it the winner. It supplies its MC Cube-T system, which packs cells straight into the enclosure (cell-to-system) and fills more than a third of its volume with cells.

## Key facts

- Five sites, 12.5 GWh in total.
- Product: MC Cube-T with cell-to-system packing, volume ratio above 33% (BYD figure).
- BYD says it had delivered 75 GWh of storage across 350 projects in more than 110 countries.

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