The Alta projects will be dependent on the Antelope Transmission Project (ATP) and the Tehachapi Renewable Transmission Project (TRTP), large-scale transmission projects developed by SCE. The ATP was awarded a Certificate of Public Convenience and Necessity (CPCN) by the Commission in March 2007, and construction has begun. SCE submitted a CPCN application for the TRTP in June 2007, and a final Commission decision is expected in 2009. It is uncertain whether all Alta projects will require the full build-out of the TRTP upgrades, or if some Alta project generation may be deliverable before all TRTP segments are complete. Oak Creek has taken a very active role in the TRTP planning process and is one of the more informed developers as to the timeline for completing the TRTP upgrades.

The Commission has not yet issued a decision in the TRTP CPCN application and we do not pre-judge that application here. Because the ATP and TRTP are large and complex transmission projects, it is reasonable to conclude that there is some transmission risk associated with the Alta projects.

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