Broader Sahara storage programme published at 400 MW and up to 1.6 GWh
ADI describes the planned battery energy storage system around R-SAH at 400 MW total output, 800 MWh in its main current description and a potential configuration of up to 1.6 GWh at 0.25C.

Relationship to PHENDHEY
Relationship to PHENDHEY
This broader Sahara capacity belongs to the current subsequent-stage ecosystem, not directly to PHENDHEY. PHENDHEY’s historical link is through former project vehicles in the Tušimice / Sahara lineage.
Key facts
Key facts
- 400 MW planned total output
- Up to 1.6 GWh published capacity
- Construction reported underway in May 2026
- 200 MW section implemented by Second Foundation through partners
