A Great Big Smelting Pot - By Richard Prosser
2. Argues about $0.5b of transmission upgrades will be required to get the power onto the grid. The counter argument is that this spend is easily worthwhile. Transpower's web page puts the projects estimated cost at $100m https://www.transpower.co.nz/clutha-upper-waitaki-lines-project
The Clutha Waitaki project doesn't put Manapouri "on the grid" in a way where the power can be fully consumed.
Transpower estimated that cost to be $600m in 2017