Imagine this: a giant metallic disc, spinning at 40,000 RPM in a vacuum chamber, storing enough energy to power 500 homes for hours. No, it’s not a Star Wars prop—it’s the Bloemfontein Pillar flywheel energy storage (FESS) project, South Africa’s answer to grid instability.
[pdf] With 1.3 GWh of installed capacity, South Africa now ranks eighth globally according to a recent benchmark study by Rho Motion. Energy experts agree this is a remarkable position to be in, especially for an emerging market still battling the legacy of load shedding and ageing infrastructure.
[pdf] Comprising four 333 MW pump turbines that generate a total of 1,332 MW of electricity, the Ingula Pumped Storage Scheme (Ingula PSS) is a pumped storage power station that encompasses two dams, designed for water capacity of 22 million cubic meters.
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