model uses allows for actual frequency actual yes yes no data input where available likelihood or probability specifically considers asset condition on a model has perasset element basis no no yes ability to do so when determining frequency Consequence on P95 (95th on "worst use complete consequence evaluation percentile) reasonable worst reasonable probability standard "probably worst case scenario direct impact" distribution case outcome" 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 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 risk score? no yes yes yes relative or absolute risk relative quasiabsolute quasiabsolute quasiabsolute score consequence scenarios in multiple single single scenario single scenario risk score scenarios scenario risk formula emphasizes yes no no no high consequence events Other Areas takes into account threat no, but interactions and their does not effects on frequency, no no no preclude impact, and impact possibility of it dimensions
allows for actual frequency data input where available yes yes no model uses actual likelihood or probability 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 on P95 (95th percentile) "probably worst case outcome" 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%) Intervenors advocate analytically derived weights to be properly defined by the utility or imposed by the Commission Risk Scores linear risk score? no yes yes yes relative or absolute risk score relative quasiabsolute quasiabsolute quasiabsolute consequence scenarios in risk score single scenario multiple scenarios single scenario single scenario risk formula emphasizes high consequence events yes no no no Other Areas takes into account threat interactions and their effects on frequency, impact, and impact dimensions no no, but does not preclude possibility of it no no
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