In constructionThe Phase 1 plant, June 2025. Phase 2 adds 2.59 MWp of solar and a 10 MWh battery at the same mine.
Mining · Gravelotte, Limpopo
Stibium Mine, Phase 2
A second phase at the mine where we built the 5 MW plant in 2025: more solar and a grid-scale battery on the mine's 11 kV network. The battery fills up when power is cheap and feeds the mine through Eskom's peak hours.
10 MWh
Battery storage, 5 MW
2.59 MWp
Additional solar
2 × 5 MWh
Sungrow PowerTitan 2.0 units
11 kV
Connection to the mine
How the battery runs
- 1Charges from surplus solar by day and from the grid in off-peak hours
- 2Discharges into the mine's own load in the morning and evening peaks
- 3About one full cycle a day, with no export to the grid
Under construction. Contracted July 2026; solar modules on site since October 2026.
See Phase 1, built and running
