AfDB grants loan for transmission network expansion in South Africa

Transmission 28The African Development Bank (AfDB) has approved a US$217.9mn loan to South Africa’s power utility Eskom Holdings Ltd, to upgrade and expand its transmission facilities, which is crucial to power supply within the sub-region

The funding supports the Eskom Transmission Improvement Project (ETIP), which will see the construction of 555km of 400kV transmission lines in KwaZulu-Natal and Mpumalanga province and the upgrading of substation equipment and improvement of various substation earth mats in Mpumalanga.

The transmission lines are expected to provide additional power evacuation paths for new generation capacity, ensure availability of power for future load growth, enable the reduction of network losses and ensure the safety of personnel and assets during network operations to ensure compliance to the Grid Code.

AfDB’s intervention will enable the provision of additional power evacuation paths to the network from the Kusile, Majuba, Drakensburg and Ingula power stations. It is also set to benefit the utility’s corporate restructuring and governance programme.

The ETIP aligns with the Government of South Africa’s National Development Plan 2030, geared toward financing infrastructure to support the country’s medium- and long-term economic and social objectives. ETIP was identified in the Bank’s South Africa Country Strategy Paper ((CSP) 2018–2022) and is consistent with its pillars of promoting industrialization and deepening regional integration. The project is also consistent with the Bank’s ten-year strategy 2013–2022.

The loan includes an additional co-financing of US$25mn from the Africa Growing Together Fund (AGTF). The Bank’s contribution, covered by a South African Government guarantee, will finance up to77 per cent of the critical project. Eskom will provide 15 per cent. These investments are set to enhance regional energy trade, end-user energy access for industrial development, and address the potential addition of 130 million on-grid connections by 2025.

Eskom operates South Africa’s national grid, which comprises 157 transmission substations and approximately 31,107km of transmission lines and 160 distribution substations, totalling 139,610MVA of installed transformer capacity. The utility contributes approximately 77 per cent of the total installed power capacity in the Southern Africa Power Pool (SAPP) and makes up approximately 80 per cent of the regional power.

Efficient power trade within the SAPP is hampered by system losses and weakening of the transmission capacity. Access to electricity in all SAPP member states (excluding South Africa), remains below 45 per cent and is as low as 10 per cent in Malawi. Eskom trades within the SAPP, selling electricity to, and buying from, member countries.

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