integeronly logscale inputs, 1 to 7) Frequency model uses actual number of frequency levels 7 7 7 likelihood or probability uses representative position not applicable, right hand of fixed point value actual within logscale frequency uses linear range from each range likelihood or range scale frequency probability uses allows for actual frequency actual yes yes no data input where available likelihood or probability model specifically considers asset condition model has on a perasset element no no yes ability to do so basis when determining frequency Consequence based on P95 based on use complete consequence evaluation (95th percentile) "worst reasonable worst probability standard "probably worst reasonable case scenario distribution case outcome" direct impact" to be defined number of impact by the utility 6 5 4 (consequence) dimensions or Commission number of levels per 7 7 7 to be defined impact dimension uses weights on impact yes no yes yes dimensions Joint Intervenors safety, advocate safety(30%), reliability, analytically reliability(25%), environment, safety(40%), derived impact (consequence) environment(5%), compliance, reliability(20%), weights to be dimensions and weights compliance(5%), financial, (not compliance(20%), properly trust(5%), weighted, risk financial(20%) defined by financial(30%) scores only the utility or summed) imposed by the Commission Risk Scores linear scale risk score? no yes yes yes relative or absolute risk relative quasiabsolute quasiabsolute absolute score
integeronly logscale inputs, 1 to 7) Frequency number of frequency levels 7 7 7 model uses actual likelihood or probability representative position within logscale frequency range right hand of range not applicable, uses linear scale frequency fixed point value from each range uses actual likelihood or probability allows for actual frequency data input where available yes yes no uses actual likelihood or probability model specifically considers asset condition on a perasset element basis when determining frequency no model has ability to do so no yes Consequence consequence evaluation standard based on P95 (95th percentile) "probably worst case outcome" based on "worst reasonable direct impact" reasonable worst case scenario use complete probability distribution number of impact (consequence) dimensions 6 5 4 to be defined by the utility or Commission number of levels per impact dimension 7 7 7 to be defined uses weights on impact dimensions yes no yes yes impact (consequence) dimensions and weights safety(30%), reliability(25%), environment(5%), compliance(5%), trust(5%), financial(30%) safety, reliability, environment, compliance, financial, (not weighted, risk scores only summed) safety(40%), reliability(20%), compliance(20%), financial(20%) Joint Intervenors advocate analytically derived weights to be properly defined by the utility or imposed by the Commission Risk Scores linear scale risk score? no yes yes yes relative or absolute risk score relative quasiabsolute quasiabsolute absolute
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