FNZC's detailed forecasts show Contact earning an average $49.40 per Megwatt hour for wholesale electricity in the current financial year.
The Green Party has unveiled its plans to provide “cheaper and cleaner” electricity.
"if everyone starts to have their own wind turbine and solar panels at home the cost to those not investing in the same, will increase to supplement the fixed costs of the power providers. This is going to be an interesting business model test in the next few years"
Contact has been battling to stem the bleeding of customers for more than a decade.
"I think I was a Contact customer once. I don't recall that it was having an inferior loyalty programme that led to my switch."