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Key metrics summary SATISFIED CUSTOMERS


Annual average overall satisfaction rating Residential10 Business11


Key customers12


Number of customers Residential Commercial Industrial Total


Energy deliveries (thousands of megawatt hours) Residential Commercial Industrial Total


Electric transportation Electric vehicles in Oregon


Public EV charging stations in Oregon Public EV quick-chargers in Oregon


Number of plug-in car models available for sale in Oregon Reliable energy


System Average Interruption Duration Index (SAIDI) (minutes) System Average Interruption Frequency Index (SAIFI) Customer Average Interruption Duration Index (CAIDI) (minutes) Momentary Average Interruption Frequency Index (MAIFI)


115 0.81


142 1.43


77


0.65 118


1.09 66


0.51 129


0.89 72


0.55 131


1.11 62


0.45 137


0.91 2009


85% 92% 72%


714,377 101,221 271


815,869


7,901 7,559 3,876


19,336


400 1013 1 1


2010


86% 94% 81%


717,719 102,282 265


820,266


7,452 7,277 4,004


18,733


45013 4013 1 3


2011


86% 92% 91%


719,977 102,940 255


823,172


7,733 7,419 4,193


19,345


1,100 308 5 5


2012


86% 94% 94%


723,440 103,766 261


827,467


7,505 7,402 4,283


19,190


2,00013 688 41 12


2013


90% 94% 91%


728,481 104,385 263


833,129


7,702 7,441 4,276


19,419


4,033 802 64 16


10 Market Strategies International 2013 Electric Utility Satisfaction Study – 4 quarter-rolling average 11 Market Strategies International 2013 Electric Utility Satisfaction Study – 2 quarter-rolling average 12 TQS Research 2013 survey Estimated


13 30 | 2013 Sustainability Report


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