TEPCO Illustrated

Nuclear Power
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Nuclear Power Station Capacity Factor


  1. Figures decreased in FY2002 and FY2003 due to the suspension of a large number of nuclear plants for inspection and repair.
  2. The capacity utilization rate do not include preparation tests. The figures do not necessarily add up to the total shown because fractions were rounded off.
  3. Capacity factor = (Electricity generation/Authorized capacity x Number of calendar hours) x 100 (%)