Trustpower's annual revenue includes about $25 million of avoided cost of transmission payments.
Some have been slower than others to roll out smart meters but none of the major retailers are offering real-time electricity pricing. With special feature audio.
It is a bit like that advertisement involving the well-sculpted bloke in briefs, walking away from the beach.
The voiceover goes “togs, togs, togs ...” and, as he gets further away from the foreshore, it suddenly yells, with alarm, “undies!”