It is 8pm on a big footy night. It is frosty with no wind. All the heaters, air-cons and TV’s are drawing power. Suddenly it is half time. All the jugs are then switched on to make coffee. Not one amp of electricity is coming from wind/solar plants.
What will keep the lights on?
  Viv Forbes, Washpool, Qld

Authorised by K. W. Grundy
13 Carsten Court, Happy Valley, SA.