South Africa: Mulilo reaches financial close on battery energy storage system project
Mulilo is backed by Copenhagen Infrastructure Partners.
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Mulilo, a South African renewable energy developer and independent power producer, has reached financial close on the Hartebeesfontein Battery Energy Storage System (BESS) project, a 77 MW / 308 MWh facility located near Klerksdorp in the City of Matlosana Local Municipality, North West Province. This is Mulilo’s second renewable energy project to be executed within the municipality, which is strategically located near Eskom’s Hermes Main Transmission Substation.
The Hartebeesfontein BESS project was awarded under Bid Window 2 of the Battery Energy Storage Independent Power Producer Procurement Programme, through which Mulilo secured five of the eight projects awarded.
The project is designed to provide system support through its 308 MWh storage capacity and will supply ancillary services to the National Transmission Company of South Africa under a 15-year power purchase agreement.
The successful financial close of the Hartebeesfontein BESS project was made possible through collaboration between both the public and private sector, supported by key partners, including the Department of Electricity and Energy, the Independent Power Producer Office, NTCSA, and Eskom, along with Mulilo’s shareholders, Copenhagen Infrastructure Partners and Norfund.
Mulilo’s partner is the Reatile Group. “Reaching financial close on this project is more than a project milestone – it is a tangible demonstration of what South Africa Inc. can achieve when capital, policy and execution align. With our partner, Mulilo, securing five projects awarded under Bid Window 2, our partnership realises a systematic build-out of the backbone infrastructure South Africa needs to unlock its renewable energy future. We are proud to stand alongside that ambition,” said Reatile Group’s chief commercial officer, Sunette Smith.
“The financial close of the Hartebeesfontein BESS marks an important milestone in the expansion of battery energy storage across South Africa. As our fifth project to reach financial close in 2026, it reflects the hard work, expertise, and commitment of the Mulilo team, together with our valued partner the Reatile Group and stakeholders. Hartebeesfontein will help strengthen grid stability and support the continued growth of renewable energy, demonstrating the important role of collaboration in advancing South Africa’s energy transition,” commented Jan Fourie, CEO of Mulilo.
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