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    OceanaGold electrification at Macraes & Waihi North: design and power notes for engineers

    April 30, 2026|

    Reviewed by Joe Ashwell

    First reported on International Mining – News

    30 Second Briefing

    OceanaGold is weighing the next phase of mine fleet electrification at Macraes and the Waihi North project after technical studies completed for its 2025 Sustainability Report, focusing on options that are both economically feasible and technically viable. Work centres on securing renewable power through new procurement and supply agreements and matching this with future electric mobile equipment requirements rather than retrofitting the current fleet. For engineers, the key signal is that mine design, power reticulation and fleet selection at these New Zealand sites may increasingly assume high-penetration renewables and battery-electric units.

    Technical Brief

    • Decarbonisation work is framed within OceanaGold’s 2025 Sustainability Report and associated technical studies.
    • Electrification assessments are focused on “future mining fleet requirements”, implying integration with upcoming mine plans and schedules.

    Our Take

    Electrification at Macraes and Waihi North will directly intersect with the oil‑price exposure highlighted in our March 2026 open‑pit gold margins piece, where OceanaGold was among operators most sensitive to diesel costs in truck‑intensive pits.

    Across our mining sustainability coverage, OceanaGold now appears frequently both in fleet modernisation (Didipio’s new Sandvik load‑haul fleet) and in AI‑driven subsurface intelligence work, signalling that Macraes and Waihi North electrification is part of a broader technology refresh rather than a standalone ESG initiative.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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