Transformers, substations + the grid: Products + services
Industrial substations – faster and smarter Consider a familiar scenario. A multi-million-rand mine modernisation project was on schedule: haul roads graded, crushers installed, and processing plant foundations poured. But the substation construction hit a bottleneck. Coordination gaps, procurement delays, and safety issues caused setbacks. The weather didn’t help either. What was meant to happen last week became next month’s problem. Equipment remained unpowered, commissioning schedules slipped, and temporary measures put a strain on budgets. At mines, process plants, and manufacturing facilities, substations form part of core infrastructure, managing the power supply to critical equipment such as the motors driving conveyors, pumps, and processing machinery. During construction, substations oen emerge as late-stage bottlenecks that stall otherwise well-managed projects. When diverse teams converge – from design houses and consulting engineers to equipment vendors and construction crews – risk of confusion and delay rises sharply. Misaligned technical standards, fragmented communication, and procurement holdups ripple through to testing and commissioning, amplifying risk and operational strain. Gerhardt van Rooyen, Projects Manager at WEG Africa, notes that these problems usually escalate during the construction and commissioning phases. “Typically, on-site construction begins with a brick-and- mortar substation building. Once completed, all the equipment is installed, followed by extensive interconnecting cabling and testing. It’s at this stage that delays tend to set in. Various disciplines need access at the same time, schedules overlap, and frustrations inevitably start to build,” says van Rooyen. A streamlined approach The WEG E-house oers a smoother alternative to this conventional approach. E-houses are modular, prefabricated units manufactured and fully tested at WEG’s South African facilities. Each E-house is designed, assembled, fitted with equipment sourced from WEG and other vendors, and tested to the client’s and International Electrotechnical Commission (IEC) benchmarks. Once completed, the E-house is shipped to the site for rapid installation and commissioning, significantly shortening project timelines. WEG has helped numerous projects avoid the typical bottlenecks by supplying modular, factory-built substations. In one recent project, the WEG E-house team reduced substation
construction, deployment, and commissioning to under a year; not just for one substation but seven, including a central control room powering a complete gold concentrator plant. A startup mindset E-house innovation helped create the momentum, but it’s what WEG describes as its entrepreneurial mindset towards solving clients’ challenges that makes the di erence. “Multiple contractors all trying to work in the same space can create complete chaos. E-houses relieve the customer of that pressure.
They provide a one-stop integrated solution. We take on all the risks as a single contractor,” says Tyrone Willemse, Senior Manager at WEG Africa. He adds that skilled design, manufacturing,
procurement, and logistics teams are important, but the real di erentiator is in the team’s can-do approach: “It’s important to have an entrepreneurial spirit when delivering new concepts like fully integrated E-houses. We treat ourselves like a startup. We take nothing for granted. We’re always learning, and there’s no job too big or too small for any of us.” Professionalism, risk awareness, and adaptability are key to a successful substation project, beginning long before construction. Through its collaboration with site owners, consulting engineers, and design houses WEG defines specifications, standards, and procurement requirements early in the project lifecycle. When the substation phase begins, contractors step into the client’s world, taking full ownership and responsibility. Engineering reliability E-houses represent a progressive step forward from traditional substation models, significantly reducing delays in construction, deployment, and testing. Despite inevitable challenges, the team behind WEG’s E-houses remains committed to delivering substations to specification, e iciently, guided by a startup spirit of ownership and innovation. “You’re only as good as your last job – we never forget that,” concludes Willemse. As modular, prefabricated units, each E-house is designed, assembled, equipped and fully tested to clients’ and IEC benchmarks – enabling fast installation and commissioning on site.
For more information visit: www.weg.net
MARCH 2026 Electricity + Control
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