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Sun Devil Commercial Proposal. for Pinnacle West / APS January 10, 2002. Goal. Collaborate with APS / PWE to create the most commercially viable project possible Minimize project costs and risks Minimize environmental impact Maximize value of existing assets Earliest in-service date.
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Sun Devil Commercial Proposal for Pinnacle West / APS January 10, 2002
Goal • Collaborate with APS / PWE to create the most commercially viable project possible • Minimize project costs and risks • Minimize environmental impact • Maximize value of existing assets • Earliest in-service date
System Design • 490 mile pipeline system from San Juan Basin to Phoenix, AZ • 36 inch diameter pipe • 5 new compressor stations • Mods at 4 other compressors • 1200 Psig
Base Case • 780,000 MMBtu/d San Juan receipts • 500,000 MMBtu/d Phoenix deliveries • 4.75% fuel • Capex $0.9B (2001 $) • Pipeline assumes cost overruns • Low cost expandability (up to another 500,000 MMBtu/d)
Rate Assumptions • In-service Q3 2004 • 80/20 Debt/equity ratio • 8.8% WACC • O & M escalation rate 3.0% • Shipper contracts - 30 years, renewable
Possible Rate Enhancements • Firm Park ‘N Ride capability (subject to FERC) • 3 to 5 day duration swings • Up to X volume of MDQ • Rate very competitive to storage alternative • R-O-W cost reduction via alternative routes to EP south system • AZ gross receipts tax concessions • Shipper shares in any Capex reduction • Depreciation bullet if contract not renewed
Sun Devil Advantages • Experienced western operator / builder • Market / Supply area flexibility • Cal Border, Panhandle, W. Texas • Pressure guarantee • Swing capability • Expedited project schedule versus alternatives • Rockies / SJ production access
Next Steps • Execute precedent agreement • APS can opt out of contract up to FERC filing • Reimburses TW for FERC filing costs • Proportional amount based on contract and timing • Option cost increases after FERC filing • Project stays on-track to meet plant requirements