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The capacity utilisation of a solar plant is inherently lower than that of a coal station because the resource is

  • A.connected to the network at a lower voltage than the alternative
  • B.available only for part of the day and varies with the weather
  • C.of a lower energy density per unit area
  • D.more expensive per unit generated

Answer: B

A fixed solar plant in India achieves something around a fifth of its rated output over a year because the sun sets and clouds pass. Comparing installed capacities between the two technologies without that correction badly overstates the renewable contribution.

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