Red Rocket is developing and owns the Overberg Wind Farm, overseeing its financing and overall delivery strategy. As part of the broader project, ACTOM EPC has been appointed to engineer, procure, construct and commission the 1 000 MVA main transmission substation. ACTOM EPC plays a central role in ensuring the wind farm’s power can be delivered reliably into the grid. The substation forms part of a much larger investment picture for Swellendam, bringing billions of rands in associated infrastructure, and with it, the electricity capacity and economic activity that supports long-term community growth.
“The substation we’re delivering is one of the largest of its kind in the country. It supports not only this wind farm, but also a much bigger investment for the region,” says Nicholas Msibi, divisional chief executive officer of ACTOM EPC. “The area’s strong wind resource has made it a natural focal point for independent power producers, driving further infrastructure requirements to support generation and grid integration.”
One of South Africa’s largest transmission substations
“Our role is to be an integrator and solutions provider. We conceptualise the engineering solution, complete the detailed design, construct the plant and commission it for the client,” explains Msibi. “Because we are part of a manufacturing group, we select the best products for long-term performance and optimal lifecycle cost.”
Overcoming EPC challenges
Large-scale engineering, procurement and construction projects demand deep engineering expertise, reliable equipment and strong execution teams. “While anyone can learn how to build a substation, it is only through repeated hands-on experience that you understand what is critical for optimal design, construction and maintainability,” says Msibi.
ACTOM EPC’s access to proven, locally manufactured equipment is a major advantage. “Even a small part costing R100 000 can stop an entire substation. Our integration with ACTOM’s factories allows us to avoid these risks.” Technology also plays a central role and the project incorporates one of the most advanced security systems in the country, including dark camera monitoring linked to Eskom’s control centre. ACTOM EPC is also installing a technologically advanced 500 MVA transformer in partnership with an international company.
Building skills and strengthening local communities
ACTOM EPC has prioritised local recruitment, integrating semi-skilled and unskilled workers from surrounding communities into its project teams. “Our local development objectives, aligned with Red Rocket’s objectives, are designed to leave the community with skilled people. By the time we leave, there will be artisans, technicians and trained personnel ready for future projects,” says Msibi.
“This large-scale collaboration between Red Rocket, ACTOM EPC and other project stakeholders demonstrates South Africa’s capability to deliver complex energy infrastructure. The experience gained through this development is expanding the country’s technical base, making it a foundation for the next generation of infrastructure delivery in South Africa,” says Msibi.
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