Northport customers put on hold until it's able to clear empties off the deck this week.
Some major power users could face large increases in their electricity transmission bills, while others will be far better off.
The country's biggest transport fuel retailer doesn't expect motorists will notice any difference and says its competitiveness would increase.
International building materials group USG Boral opted to leave the country rather than throw money at trying to undercut the dominant, Fletcher Building-owned Winstone Wallboards.
Infrastructure Editor
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articles by Oliver