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South African mining heavyweight Exxaro Resources has officially switched on one of the country's largest corporate renewable energy installations, marking a pivotal step in industrial decarbonization. Through its subsidiary Cennergi, the diversified resources group announced the Lephalale Solar Project (LSP) is now fully commercially operational, delivering clean power directly to its Grootegeluk coal mine in Limpopo. This milestone, achieved in April and celebrated in mid-July, underscores a strategic shift for traditional extractive industries facing energy and environmental pressures. Updated: July 2024.
The R1.7-billion facility represents a significant private-sector-led energy transition investment. Spanning 185 hectares with over 129,000 solar modules, the plant has a generation capacity of 68 MW AC. It is designed to produce approximately 176 gigawatt-hours of electricity annually under a 25-year power purchase agreement with the mine, directly displacing grid-supplied power, largely from fossil fuels.
Beyond environmental benefits, the project delivers substantial economic advantages for Exxaro's operations. The company forecasts annual electricity cost savings of around R100 million at Grootegeluk mine. Furthermore, it is expected to reduce Exxaro’s Scope 2 emissions—those from purchased energy—by an estimated 17%. This move also provides strategic operational resilience through decentralized generation, shields the operation from future carbon tax escalations, and locks in long-term energy cost certainty.
A key feature of the project's design is its readiness for future technological integration. The site is already licensed for the addition of a Battery Energy Storage System (BESS). This planned upgrade would allow the capture and storage of surplus solar energy generated during peak sunlight hours, optimizing usage throughout the day and night, thereby enhancing the reliability and consistency of the renewable supply to the mining operation.
The project's impact extends far beyond the fence line, delivering tangible socio-economic benefits to the local Lephalale community. During construction, over 800 employment opportunities were created, with 69% of the workforce sourced locally, including three individuals with disabilities. The initiative also prioritized local economic development, directing 41.9% of its content spend to local suppliers and supporting 13 local subcontractors, strengthening the regional industrial ecosystem.
Investment in human capital was a core component. Exxaro allocated R1.12-million for community bursaries and worker training. On-site upskilling programs included specialized training in PV module installation, firefighting, first aid, and incident investigation. These initiatives equipped workers with transferable skills, boosting their employability long after the project's completion.
CEO Ben Magara emphasized that the project's vision transcends power generation. "This is not just about reducing our emissions or our costs," Magara stated during the July celebration. "It's fundamentally about creating sustainable jobs, contributing to inclusive economic growth, and leveraging education and enterprise development to make a lasting impact in the fight against poverty in our host communities."
Exclusive Perspective: A Model for Global Mining The Lephalale project arrives at a critical juncture for the global mining sector. According to analysis by groups like the International Council on Mining and Metals (ICMM), decarbonizing off-grid mining power is one of the industry's most complex challenges. Exxaro’s behind-the-meter model provides a scalable blueprint, demonstrating how capital-intensive industries can leverage their land assets and energy demand to build cost-competitive, clean energy infrastructure without relying on strained national grids. For international observers, particularly in markets like the US where industrial decarbonization is accelerating, this project offers a real-world case study in integrating large-scale renewables into core industrial processes.
The path to commercial operation was executed on an aggressive timeline. Financial close was achieved in June 2023, with construction commencing in August 2023. The project underwent successful commissioning phases in late 2025, exporting first power to the mine in December, achieving full capacity days later, and formally hitting its Commercial Operations Date (COD) on April 20. This efficient execution highlights growing local expertise in deploying utility-scale renewable projects in South Africa.
Located just 2 kilometers from Marapong and 4 kilometers from Eskom's Matimba coal-fired power station, the solar farm's geography is symbolically significant. It represents a tangible transition occurring within South Africa's traditional energy heartland, showcasing how renewable and conventional energy infrastructures can coexist and support a more diversified and resilient energy future for the nation's industrial base.
