Vector Ltd v Transpower New Zealand Ltd - [1999] 3 NZLR 646

Trade and commerce — Monopolies — Doctrine of prime necessity — Obligations on suppliers of essential services to supply at reasonable price — Whether doctrine of prime necessity part of common law of New Zealand — Whether Transpower subject to doctrine of prime necessity — Scope for further development of doctrine of prime necessity in New Zealand — Electricity (Information Disclosure) Regulations 1999 (SR 1999/82).