Mighty River Power's profit has tumbled 76% from a year ago, after the electricity generator-retailer booked one-off non-cash writedowns of $130million in exiting generation assets or developments.

The goal is to provide a centralized voice for those who love the St. Johns River for a wide variety of recreational reasons — a voice to represent those folks in dealings with statewide agencies.

Mighty River is one of New Zealand's leading producers of electricity, accounting for 17% of the country's total generation. The firm enjoys a good retail presence with Mercury Energy, Mighty River's ...