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CUSTOMER VALUE (continued)


Annual average overall satisfaction rating Residential12 Business13


Key customers14


Number of customers Residential Commercial Industrial Total


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


Electric transportation Electric vehicles in Oregon15


Public EV charging stations in Oregon16 Public EV quick-chargers in Oregon16


Number of plug-in car models available for sale in Oregon16


Reliable energy


System Average Interruption Duration Index (SAIDI) (minutes)


System Average Interruption Frequency Index (SAIFI) (per 100 customers)


Customer Average Interruption Duration Index (CAIDI) (minutes)


Momentary Average Interruption Frequency Index (MAIFI) (per 100 customers)


66 0.51 129 0.89


12 Market Strategies International Electric Utility Satisfaction Study – 4 quarter-rolling average 13 Market Strategies International Electric Utility Satisfaction Study – 2 quarter-rolling average 14 TQS Research survey for commercial and industrial customers


15 16 72 0.55 131 1.11 62 0.45 137 0.91 95 0.69 135 1.30 75 0.48 156 1.20


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


2,000 688 41 12


2013


90% 94% 91%


728,481 104,385 263


833,129


7,702 7,441


4,276 19,419


4,000 802 64 16


2014


88% 94% 91%


735,502 105,231 260


840,993


7,462 7,494 4,310


19,266


6,000 996 109 17


2015


89% 90% 83%


742,467 105,802 255


848,524


7,325 7,511


4,546 19,382


9,000 1,002 157 20


2011-2014 data estimated by the State of Oregon; 2015 data estimated by Portland State University’s Transportation Research and Education Consortium Data source: Drive Oregon


2015 Sustainability Report


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