Andre Klynsmith

Carbon Footprint

Charging Without the Grid: Solar Truck-Charging Hubs Arrive on South Africa's Busiest Freight Corridor

Cape Town-based Zero Carbon Charge is rolling out two fully off-grid, solar-powered ultra-fast charging stations for electric trucks along the N3 corridor between Johannesburg and Durban — South Africa's busiest freight artery — after a pilot proved a heavy-duty electric truck can be fully charged using solar energy alone.

Carbon Footprint

7 July 2026 • 3 min read

The biggest objection to electric trucking in Southern Africa has always been the grid: unreliable, constrained, and nowhere near the highway when you need it. Off-grid solar charging answers that objection head-on — and the first commercial sites are going in on the route that matters most.

The N3 First, Then the N1

The rollout along the 570-kilometre N3 — linking the country's economic hub to its main port — is backed by a US$6.2 million equity investment from the Development Bank of Southern Africa. The funding was conditional on the company building off-grid charging infrastructure every 150 kilometres along national roads, and the two N3 stations were scheduled for completion by June 2026.

Co-founder Joubert Roux says the next phase will target the N1 between Johannesburg and Cape Town, extending ultra-fast off-grid charging across South Africa's main long-distance routes. Each off-grid site costs about US$1.25 million to build.

Why Off-Grid Changes the Equation

Heavy-duty electric trucks have faced a double barrier in Southern Africa: enormous energy requirements and a national utility that struggles to meet existing demand. Building grid-tied megawatt charging along highways would add load exactly where the network is weakest. By pairing solar generation with battery storage, off-grid hubs sidestep the constraint entirely.

"Our approach is to build energy-resilient charging hubs that are not dependent on an unstable grid," Roux says. "By combining solar and storage, we can provide predictable, clean power for fleets." The model follows global pioneers such as WattEV in California and Milence in Europe — but the off-grid design is arguably better suited to African conditions than either.

The Hurdles That Remain

Roux is frank about the risks: regulatory delays on site approvals, high import duties on electric trucks, certification requirements and limited vehicle availability all slow adoption. Electric truck sales globally passed 90,000 units in 2024, but more than 80% of those were in China — Southern African fleets are still early on the curve.

Still, the direction is set. Shippers under pressure from customers and export markets to cut logistics emissions now have a corridor where electric line-haul is becoming physically possible — and infrastructure tends to unlock demand that was invisible while it did not exist.

About the Author
	Andre Klynsmith Entrepreneur & Technology Enthusiast Andre's expertise spans technology, blockchain, transport, and logistics -- with a passion for innovation and driving positive change across industries. info@laaimylorrie.com | laaimylorrie.com