MULILO’S MERCURY BATTERY STORAGE PROJECT ACHIEVES FINANCIAL CLOSE

South African independent power producer Mulilo, which announced at the recent South Africa Investment Conference that it would be investing R15-billion in new renewables and storage projects, reports that it has achieved financial close on the 76 MW/304 MWh Mercury Battery Energy Storage System (BESS) project.

Located near Viljoenskroon in the Free State, the Mercury BESS project was selected in December 2024 as one of eight preferred bidders under the second bid window of South Africa’s Battery Energy Storage Independent Power Producer Procurement Programme.

The preferred bidders selected during the round are expected to collectively build 615 MW/2 460 MWh of battery storage at a total investment value of R12.8-billion.

The Mercury BESS facility, which is one of five Mulilo projects selected during the bid window, is being developed under a 15-year power purchase agreement with the National Transmission Company South Africa (NTCSA).

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