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New Caledonia – Construction work for dams and hydroelectric structures – STEP Tontouta Tender

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Summary

This is a two-phase ECI (Early Contractor Involvement) and EPC (Engineering, Procurement, Construction) contract for a 2.5 km pumped-storage hydroelectric facility in New Caledonia, comprising upper and lower basins, penstock, and power generation plant. Bidders should be large engineering-construction consortia with hydroelectric expertise, project management capability, and experience in complex infrastructure delivery under fixed-price EPC models.

Summary by Raise Lens from the official notice · 30 Jul 2026Accurate?

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About this tender

Two-phase procurement for the construction of a pumped-storage hydroelectric facility (STEP de Tontouta) in New Caledonia. Phase 1 involves an ECI (Engineering and Construction Institute) contract covering detailed design studies (APD level), method and schedule determination, risk analysis and allocation, EPC contract price definition and refinement, technical and functional specifications development, and submission of a binding implementation offer (cost, quality, schedule). …