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Download the publication in PDF-format - Energitilsynet

DERA has calculated the standard deviation 2 Figure 7 Spread in the efficiency benchmark of electricity grid companies(standard deviation)25201510Standard deviationThreshold value forpotential efficiencyimprovements50Regional transmissioncompaniesDistributioncompaniesTransformerassociationsthan the threshold value of almost 10 which is used as an indicator of .-transformer associations.2Standard deviation is the square root of the variance. The varianceshows by how much individual observations vary in relation to theaverage. A high variance and therefore high standard deviation meansthat the observations are very spread.3See “Konkurrenceredegørelse 08”, Competition Authority 2008,http://www.ks.dk/service-menu/publikationer/konkurrence-redegoerelse/Danish Energy Regulatory Authority · 200815

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