Electrical Power & Protection


ACTOM supplies electrical equipment for BESS contracts

August 2023 Electrical Power & Protection

Early this year Eskom launched the first phase of its two-phase Battery Energy Storage System programme with its appointment of two international companies to oversee the design, execution and management of the programme. The companies, Hyosung Heavy Industries of South Korea and Pinggao Group of China, wasted no time in appointing local engineering, procurement and construction (EPC) contractors to execute the BESS projects comprising the initial phase, which Eskom characterises as the ‘proof of concept’ phase. This was followed by the awarding of contracts by the EPC contractors to local manufacturers and service providers to provide the equipment and services required for the projects.

For the BESS programme, the government has lifted many of the stringent local content requirements that normally apply to state-driven capital projects, such as the National Renewable Energy Independent Power Producer Procurement Programme (REIPPPP). “The relaxation of the local content requirements opens the door to suppliers from other parts of the world to participate in the BESS projects, thereby increasing the level of competition that local suppliers have to face. As a local manufacturer, we understand that we cannot rely on protectionism and need to compete on a global platform, and we have structured our manufacturing operations and product offerings accordingly,” said Steve Jordaan, divisional CEO of ACTOM Power Transformers. “The developers, EPCs, and ultimate client have the benefit of local support for the product over the life of the project when procuring from local manufacturers.”

These advantages apply to all the ACTOM Transmission and Distribution divisions that have been awarded contracts to manufacture and supply electrical equipment for BESS projects, namely ACTOM Power Transformers, ACTOM MV Switchgear, ACTOM High Voltage Equipment and ACTOM Distribution Transformers.

Last September, Power Transformers was awarded a contract for the manufacture and supply of three 40 MVA power transformers required for the 132 kV/22 kV collector substation that is currently under construction for the 80 MW Skaapvlei project in the Western Cape, the biggest of the BESS projects being undertaken by Pinggao in the current phase. The EPC contractor for Skaapvlei is Midrand-based Proconics. “The transformers for Skaapvlei are repeat designs of units we’ve previously produced for Eskom. We completed the manufacturing of the three units in record time which have already been delivered, thereby meeting the exceptionally short contract period of only seven months,” Jordaan commented.

MV Switchgear was awarded contracts in June and July to manufacture and supply medium-voltage primary switchgear and ring main units for the collector substations of three BESS projects being developed under Hyosung’s overall control. These are the 40 MW Pongola and 8 MW Elandskop projects in KwaZulu-Natal, and the 20 MW Hex project in the Western Cape. The EPC company for Pongola and Elandskop is Roodepoort-based Tractionel Enterprise, while Besamandla of Cape Town is the EPC for Hex.

“The existing 11 kV Hex distribution substation’s switchboard, which consists of MV Switchgear’s SBV4E gear, is being extended to serve as the collector substation for the Hex project, for which we are contracted to supply and install four more SBV4E indoor panels,” said Rhett Kelly, the division’s design and development manager.

The primary switchgear to be supplied by MV Switchgear for the 22 kV Pongola collector substation comprises nine panels of GMAe gas-insulated fixed pattern indoor switchgear from Schneider Electric, an international producer of low- and medium-voltage equipment, with which ACTOM has a longstanding local value-added reseller (VAR) agreement. For the 11 kV Elandskop collector substation, the division will supply a four panel air-insulated withdrawable pattern indoor AMV12 switchboard. Both the GMAe and AMV12 switchgear product ranges were previously successfully evaluated by Eskom Distribution as part of the national enquiry CORP2826.

MV Switchgear’s popular gas-insulated RMV ring main units are to be deployed in all three of the abovementioned BESS projects. These comprise six 11 kV units for Hex, three 11 kV units for Elandskop and twelve 22 kV units for Pongola.

“For all three projects we are required to provide custom-designed internal arc classified enclosures to house the various combinations of extensible and non-extensible RMV ring main units, each with a separate low-voltage auxiliary compartment to house the protection relays and the supervisory control and data acquisition (scada) equipment,” said Kelly.

High Voltage Equipment has been awarded contracts for the supply of various substation equipment for Hyosung’s 40 MW Pongola, 8 MW Elandskop and 20 MW Hex projects, and Pinggao’s 80 MW Skaapvlei and 10 MW Paleisheuwel projects in the Western Cape. The equipment to be supplied by the division for these five projects comprises disconnectors, voltage and current transformers, circuit breakers, and surge arresters ranging from 6,6 to 132 kV.

For more information contact Mamiki Matlawa, ACTOM, +27 10 136 0200, [email protected], www.actom.co.za


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