Eskom notice extending the validity of a tender for solar PV and battery storage microgrid containers in the Gauteng cluster, on an as-and-when-required basis over 5 years. Bidders must confirm whether submitted prices remain unchanged, and evaluation is now expected to run to 31 January 2027.
This Eskom notice is a tender validity extension letter for a 5-year, as-and-when-required contract to design, supply, install and refurbish solar photovoltaic (PV) and battery energy storage systems in the Gauteng cluster. The scope centres on microgrid storage containers. The letter itself does not set out detailed technical specifications, quantities or evaluation criteria, so those would need to be taken from the original tender documents. The letter is dated 19 October 2026, refers to tender E3040DXGOU, and states that the tender validity expires on 23 October 2026.
The letter's purpose is to inform bidders that, due to unforeseen circumstances, the evaluation process is taking longer than originally planned and is now expected to conclude by 31 January 2027. Eskom asks each bidder to confirm in writing whether its submitted prices will remain the same for the extended validity period. The letter must be signed and returned by the bidder, with the company representative, company name and designation completed. Bidders who do not respond may be excluded from further consideration, so responding promptly and accurately is essential.
For businesses that have already submitted a bid, the practical requirement is to review the extension request, confirm pricing (or, where appropriate, follow the process for revising it), and return the signed letter before the validity deadline. Businesses that have not yet bid should not assume that this notice opens the tender to new submissions. They should check the original tender documents on eTenders to confirm the closing status, eligibility requirements and submission process. Note that the listing shows a draft status and a closing date only three days after publication, so the timelines should be verified directly with Eskom's procurement office before taking any action.
Primarily bidders who have already submitted a response under tender E3040DXGOU, who must confirm in writing whether their prices remain valid during the extended evaluation period. Other businesses may be interested in the underlying opportunity, such as renewable energy EPC contractors, battery energy storage integrators, microgrid specialists, and electrical contractors with experience in utility-scale or commercial solar and storage projects. These businesses should consult the original tender documents and confirm with Eskom whether new submissions are accepted before preparing a bid.
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