These are detailed in a leaflet produced by the New Zealand Marina Operators Association which you can download here.
There are generally two ways that you may connect:
1. You may connect to shore power temporarily at Westhaven if your vessel has an eBox with current tag and test. A responsible adult must be on board while the boat is connected.
2. If you wish to connect to shore power and leave your vessel unattended, you will require an EWoF (Electrical Warrant of Fitness).