Waitemata Electric Power Board v King Builders Ltd - [1992] 3 NZLR 357

Local government — Electric power supply authorities — Estoppel — Undercharging for supply of electricity for a period of nine years — Consumer paying amount charged — Whether consumer entitled to rely on estoppel despite terms of Electrical Supply Regulations — Electrical Supply Regulations 1984 (SR 1984/176), reg 30(1).

Practice and procedure — Summary judgment — Defence of estoppel — Need to have evidence given and tested by cross-examination.