PacifiCorp 2007 Integrated Resource Plan (May 30, 2007)

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PacifiCorp – 2007 IRPTable Of ContentsInterconnection-Wide Regional Planning ......................................................................................... 45Sub-regional Planning Groups .......................................................................................................... 46Hydroelectric Relicensing......................................................................................................................47Potential Impact ................................................................................................................................ 48Treatment in the IRP ......................................................................................................................... 48PacifiCorp’s Approach to Hydroelectric Relicensing....................................................................... 49Energy Policy Act of 2005.....................................................................................................................49Clean Coal Provisions....................................................................................................................... 49Renewable Energy Provisions........................................................................................................... 50Hydropower ...................................................................................................................................... 51Public Utility Regulatory Policies Act Provisions ............................................................................ 51Metering Provisions.......................................................................................................................51Fuel Source Diversity ....................................................................................................................52Fossil Fuel Generation Efficiency Standard ..................................................................................53Transmission and Electric Reliability Provisions ............................................................................. 53Section 368a, Energy Corridors.....................................................................................................53Section 1221, National Transmission Congestion Study...............................................................54Climate Change................................................................................................................................. 56Recent Resource Procurement Activities...............................................................................................57Supply-Side Resources...................................................................................................................... 572012 Request for Proposals for Base Load Resources ..................................................................57Renewables Request for Proposal 2003B ......................................................................................57Demand-side Resources .................................................................................................................... 57The Impact of State Resource Policies on System-Wide Planning........................................................584. Resource Needs Assessment ................................................................................................................61Introduction............................................................................................................................................62Load Forecast.........................................................................................................................................62Methodology Overview .................................................................................................................... 62Integrated Resource Planning Load Forecasts .................................................................................. 62Energy Forecast................................................................................................................................. 63System-Wide Coincident Peak Load Forecast .................................................................................. 64Jurisdictional Peak Load Forecast..................................................................................................... 66May 2006 Load Forecast Comparison .............................................................................................. 67Existing Resources.................................................................................................................................68Thermal Plants .................................................................................................................................. 69Renewables ....................................................................................................................................... 69Wind...............................................................................................................................................69Geothermal.....................................................................................................................................70Biomass..........................................................................................................................................70Solar...............................................................................................................................................70Hydroelectric Generation .................................................................................................................. 70Demand-side Management................................................................................................................ 71Class 1 Demand-side Management................................................................................................72Class 2 Demand-side Management................................................................................................73Class 3 Demand-side Management................................................................................................73Class 4 Demand-side Management................................................................................................73Contracts ........................................................................................................................................... 74Load and Resource Balance...................................................................................................................76Capacity and Energy Balance Overview........................................................................................... 76Load and Resource Balance Components......................................................................................... 76Existing Resources.........................................................................................................................76ii
PacifiCorp – 2007 IRPTable Of ContentsObligation ......................................................................................................................................78Reserves.........................................................................................................................................78Position ..........................................................................................................................................78Reserve Margin..............................................................................................................................78Capacity Balance Determination....................................................................................................... 79Methodology..................................................................................................................................79Load and Resource Balance Assumptions.....................................................................................79Capacity Balance Results...............................................................................................................80Energy Balance Determination ......................................................................................................... 85Methodology..................................................................................................................................85Energy Balance Results..................................................................................................................... 85Load and Resource Balance Conclusions ......................................................................................... 875. Resource Options .................................................................................................................................89Introduction............................................................................................................................................89Supply-Side Resources ..........................................................................................................................90Resource Selection Criteria............................................................................................................... 90Derivation of Resource Attributes..................................................................................................... 90Handling of Technology Improvement Trends and Cost Uncertainty .............................................. 91Resource Options and Associated Attributes .................................................................................... 91Resource Descriptions....................................................................................................................... 97Coal................................................................................................................................................97Natural Gas ....................................................................................................................................99Wind.............................................................................................................................................100Other Renewable Resources ........................................................................................................101Combined Heat and Power and Other Distributed Generation Alternatives ...............................102Energy Storage.............................................................................................................................102Nuclear.........................................................................................................................................103Demand-side Resources.......................................................................................................................103Resource Selection Criteria............................................................................................................. 103Class 1 Demand-side Management..............................................................................................103Class 2 Demand-side Management..............................................................................................104Class 3 Demand-side Management..............................................................................................104Class 4 Demand-side Management..............................................................................................104Resource Options and Attributes..................................................................................................... 104Class 1 Demand-side Management..............................................................................................104Class 2 Demand-side Management..............................................................................................106Class 3 Demand-side Management..............................................................................................109Resource Descriptions..................................................................................................................... 110Class 1 Demand-side Management..............................................................................................110Class 2 Demand-side Management..............................................................................................112Class 3 Demand-side Management..............................................................................................112Transmission Resources.......................................................................................................................113Resource Selection Criteria............................................................................................................. 113Resource Options and Attributes..................................................................................................... 113Market Purchases .................................................................................................................................114Resource Selection Criteria............................................................................................................. 114Resource Options and Attributes..................................................................................................... 115Resource Description ...................................................................................................................... 116Proposed Use and Impact of Physical and Financial Hedging........................................................ 1166. Modeling and Risk Analysis Approach............................................................................................117Introduction..........................................................................................................................................118iii
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