Explainer: Electricity - where does it come from, where does

Electricity - how do we generate it, how does it get from a hydrostation to our kettles, and where is the technology heading?

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Rotorua , New Zealand General , New Zealand , South Island , Wairakei , Lake Onslow , Clutha River , North Island , Glenn Nicholson , Jesse Mulligan , Unitec Institute Of Technology , National Grid , Clyde Power Station , Show New Zealand , Huntly Power Station , Holy Grail ,