Meridian Energy Australia adds hydro, wind and solar supply.
Flick switching and Trustpower’s free TVs were major factors.
"How to reduce the churn? Easy. Offer your best deals to existing loyal customers instead of trying to attract new ones to replace those departing!"
Mark Binns also urges Rio Tinto to hurry up and sell Tiwai smelter.
"The low user plans definitely need to go. They are an indirect subsidy to solar power."