Which Power plans are available in NZ, which one should I get?
I use Contact energy and had no issues, however there are several other providers that you can compare:
https://www.glimp.co.nz/power-auckland
Get $100 off when you signup to contact energy using this referral link: https://contact.co.nz/friends/FRQ86JW
For power, check this service that allows you to compare different power companies https://www.powerswitch.org.nz/
Sometimes you can get them as a package bundled with broadband. We used this service to help us set it up whenever we move
Try https://www.fastconnect.co.nz/