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ABC News
ABC News
Business
energy reporter Daniel Mercer

RARE PHOTOS: 100m spent on underground mapping before tunnelling woes snowy hydro boss admits | Vintage Vibes

Digging for one of the tunnels at Snowy 2.0 has ground to a halt after a borer became trapped. (Supplied: Snowy Hydro)

The state-owned company delivering a massive expansion of the Snowy hydro power scheme has revealed it spent $100 million on geotechnical surveys before a tunnel boring machine became stuck underground.

Snowy Hydro boss Dennis Barnes made the admission at a Senate budget estimates hearing on Monday night while he provided an update on the plans for the $5.9-billion Snowy 2.0 pumped hydro project.

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