AESO Update to PCC October 7, 2014

2 AESO October 2014 Update The AESO has published 20 year regional plans on its website –Forecasting 2.4% overall load growth over the planning horizon, 3.5% in the oil sands region The AESO has received bids from 4 entities for the 500 kV Fort McMurray West project –The successful entity will be selected in Dec 2014 with a target in-service date of 2019 for the 500 kV line Path 1 Operational limits increased in 2014 –Winter import limit increased to 830 MW –Summer import limit increased to 800 MW

AESO October 2014 Update Chapel Rock 500/240 kV Substation –TFO preparing the facilities application –Anticipated in service date is now 2018 –WECC Path Rating process for Path 1 will be initiated soon AESO continues to work with BC Hydro on joint studies to identify infrastructure and/or market products required to restore Path 1 to its current WECC Catalog path rating (1200 MW import, 1000 MW export) –Currently AESO and BC Hydro are reviewing each other’s draft reports Application to redefine Path 1 was approved by WECC –Name change from Langdon to Bennett 3

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