NTCSA and IDC Forge Partnership to Boost Transmission Network and Local Manufacturing

The IDC CEO, Mmakgoshi Lekhethe, and the NTCSA CEO, Monde Bala, during the signing ceremony of the MoU to collaborate on investing in SA’s transmission infrastructure to support localisation.
Photo: Supplied via Iol

The National Transmission Company South Africa (NTCSA) and the Industrial Development Corporation (IDC) signed a Memorandum of Understanding (MoU) on Monday, establishing a partnership to bolster the country's grid infrastructure. This significant agreement marks a concerted effort to address South Africa's pressing energy challenges through strategic investment and development. The agreement focuses on providing project development, execution, and financing support to suppliers involved in expanding South Africa’s transmission network. This collaboration aims to enhance the capacity and reliability of the national grid, which is key for the country's economic stability and growth. The partnership is expected to streamline the process of infrastructure development, ensuring that critical projects are completed efficiently and effectively.

Transmission Network Expansion Plan

Grid expansion is particularly urgent in provinces such as the Western Cape, Eastern Cape, and KwaZulu-Natal, where increased infrastructure is critical to meeting growing energy demands. These regions have experienced significant population growth and industrial development, placing considerable strain on existing power infrastructure. The National Transmission Company South Africa (NTCSA) is currently implementing its Transmission Development Plan (TDP) for the period 2025–2034, which outlines significant upgrades to the national grid. This full plan is designed to not only meet current energy requirements but also to anticipate future growth. The TDP is an ambitious blueprint for modernizing and expanding the country's electricity transmission capabilities.

This extensive plan includes the construction of approximately 14,500 kilometres of new transmission lines, a monumental undertaking that will significantly increase the grid's reach and capacity. Additionally, the TDP encompasses the development of new substations across the country, which are vital for distributing electricity efficiently and safely. A key component of the plan involves the installation of around 210 transformers and associated equipment, essential for enhancing the grid’s capacity and reliability over the next decade. These technological upgrades are critical for creating a strong and resilient transmission system. The urgency in the specified provinces shows the need for rapid deployment of these planned infrastructure improvements, ensuring that energy supply keeps pace with demand. The successful execution of the TDP is seen as foundational for South Africa's energy future.

Industrial Development Support

The Memorandum of Understanding aims to accelerate the delivery of infrastructure while simultaneously strengthening local industrial capacity. This dual objective seeks to not only build physical infrastructure but also to foster a strong domestic manufacturing sector capable of supporting these large-scale projects. The Industrial Development Corporation (IDC) will consider providing funding to National Transmission Company South Africa (NTCSA)-approved suppliers and contractors. This consideration is subject to the IDC's established governance and due diligence processes, ensuring financial prudence and accountability. The IDC's involvement is critical in mobilizing the necessary capital for these projects, thereby de-risking investments for local businesses. This financial support is expected to encourage local participation and innovation within the energy sector supply chain.

To oversee the implementation of the agreement and ensure its objectives are met, a joint steering committee will be established. This committee will be responsible for monitoring progress, addressing challenges, and facilitating effective communication between the NTCSA and the IDC. The collaboration between the NTCSA and the IDC is set to run for 72 months, indicating a long-term commitment to these strategic goals. This extended timeframe allows for sustained effort in developing both the transmission network and the local industrial base, providing a stable framework for ongoing development and investment.

Broader Market Context

The launch of the Wholesale Electricity Market in South Africa (SAWEM) is now anticipated by the third quarter of 2026. This market reform is designed to introduce greater competition and efficiency into the country's electricity sector, moving away from a single-buyer model. The establishment of SAWEM aligns with broader efforts to transform South Africa's energy landscape, moving towards a more liberalized and diverse generation mix. This market structure is intended to attract more private investment and innovation. The market's introduction is expected to facilitate independent power producers' participation and improve the overall stability and supply of electricity, ultimately benefiting consumers and industries alike. The National Transmission Company South Africa (NTCSA) and Industrial Development Corporation (IDC) partnership, focused on grid infrastructure and local manufacturing, provides foundational support for such market changes, ensuring that the physical infrastructure is in place to support a more dynamic and competitive electricity market.