# Iron ore mining giant Fortescue took delivery of its first major battery energy storage system in December 2025.

*fintech · news · 2026-04-10 · Reuters*

## Key points

- Fortescue installed a 250MWh BYD battery system in Pilbara, aiming for 5GWh by 2030.
- RheEnergise's Devon plant uses high-density fluid pumped hydro to power a kaolin mine on hills.
- Sandvik offers a 'battery-as-a-service' model, letting miners reduce energy costs and grid reliance.
- Fortescue acquired Zitara to manage battery storage control systems with advanced software.
- Tree Associates' AirBattery CAES system claims lower 30-year costs than lithium-ion but is still a prototype.

**Companies:** Fortescue, BYD, Sandvik, ABB, RheEnergise, Tree Associates
**Countries:** Australia, China, Sweden, United Kingdom

[Read the full story on Reuters](https://www.reuters.com/sustainability/climate-energy/mining-firms-turn-renewables-battery-storage-bid-ditch-diesel--ecmii-2026-04-10/)

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