JA has been appointed as the exclusive photovoltaic (PV) module supplier for Teraco’s 120MW Sediba solar project in South Africa’s Free State province. The agreement will see JA supply high-efficiency n-type modules for the utility-scale renewable energy development, which is expected to generate more than 354,000MWh of electricity annually.
Owned by Teraco, a provider of carrier-, cloud- and vendor-neutral data centre environments, the Sediba project will generate renewable electricity for the national grid. Through a power-wheeling arrangement involving local municipalities and Eskom, the corresponding renewable energy allocation will supply Teraco’s data centre operations.
The project is expected to begin operations by the end of 2026. Once operational, it will contribute to Teraco’s efforts to secure renewable electricity for its data centre infrastructure.
The Sediba site presents several environmental challenges for solar technology, including high summer temperatures, intense solar irradiation, dust, seasonal thunderstorms and significant temperature variations. These conditions make long-term module performance and reliability important considerations.
Following technical evaluations and testing, JA was selected as the exclusive supplier based on the performance, durability and reliability of its photovoltaic technology. Its n-type modules are designed to maintain energy output while withstanding high temperatures, hail and heavy mechanical loads.
For utility-scale developments such as Sediba, module selection involves more than initial power output. Degradation rates, mechanical integrity, product consistency and performance under changing environmental conditions all influence a project’s lifetime electricity generation.
JA combines its module technology with standardised manufacturing quality controls and supply-chain management. Key materials, including glass and soldering ribbon, are traceable throughout the manufacturing process, supported by environmental and supply-chain records.
These measures provide greater visibility into product quality and manufacturing processes, helping project developers assess the long-term performance of installations involving thousands of modules.
The company’s involvement in Sediba also reflects its focus on reducing the environmental impact of solar generation across the value chain. Its climate targets have been validated by the Science Based Targets initiative (SBTi), while its manufacturing operations incorporate measures to reduce carbon emissions associated with photovoltaic production.
JA also operates nationally recognised green factories as part of its sustainable manufacturing strategy. By combining lower-carbon production practices with high-efficiency module technology, the company aims to extend the environmental benefits of solar energy beyond electricity generation.
Large commercial and industrial electricity users are increasingly adopting renewable generation and power-wheeling arrangements to secure cleaner electricity, manage long-term energy requirements and meet sustainability objectives.
As demand for these solutions grows, module durability, predictable energy generation, manufacturing efficiency and supply-chain transparency are becoming important considerations for project developers.
JA’s selection for Sediba highlights the role of n-type photovoltaic technology in supporting utility-scale renewable energy projects. The development will also demonstrate how solar technology can support South Africa’s growing demand for renewable electricity as it progresses towards its planned operational date.
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