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Peak shaving with storage means discharging the store

  • A.whenever the tariff is at its lowest
  • B.continuously at a constant rate
  • C.during the hours of highest demand
  • D.during the hours of lowest demand

Answer: C

Correct answer: during the hours of highest demand

Peak shaving discharges the store when demand is greatest, so the peak drawn from the network or from generation is reduced. For a consumer it cuts the maximum demand charge, which on an industrial tariff may be a large part of the bill; for a network it defers the reinforcement that the peak would otherwise require. The store is recharged during the off-peak hours.

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