Decision on Atlantic-Lincoln 115kV Transmission Project Gary DeShazo, Director of Regional Transmission - North Board of Governors Meeting General Session May 21-23, 2008
Management is requesting approval of the Management is requesting approval of the Atlantic- -Lincoln transmission project Lincoln transmission project Atlantic This project is needed to meet federal reliability standards � Standards are mandatory under the Federal Energy Regulatory Commission (“FERC”) Estimated cost of $70M Composed of three components implemented in steps All components need to be in-service by June 2010 2
The Project is located in the Rocklin- -Lincoln Lincoln The Project is located in the Rocklin city areas city areas 3
This one- -line diagram shows how the Project is line diagram shows how the Project is This one integrated into the system integrated into the system Dutch 115 kV Flat 2 Brunswick Drum Rio Oso Chicago Dutch Wise Park PH Flat 1 SPI-Lincoln 230 kV Lincoln 115 kV Higgins Bell Placer Mt Quarries Flint Ultra Rock 60 kV Halsey Formica Auburn Penryn Rocklin Del Mar Newcastle Pleasant Grove Taylor Sierra Pine 115 kV 60 kV Horseshoe Atlantic 115 kV 230 kV Gold Hill 230 kV Atlantic – Lincoln Long Term Plan 4
The project area is impacted by load growth and The project area is impacted by load growth and “interconnected interconnected” ” system needs system needs “ Long-term planning investigation initiated by the ISO in 2003 Load growth area of 4% to 5% annually Five other alternatives were assessed The preferred alternative selected by the CAISO: � The highest load serving capability � Produces the required level of reliability � Least environmental issues � Can be implemented without CPCN or GO131D – therefore shortening the construction time � Best overall benefits (cost-technical-environmental) 5
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