PacifiCorp filed its 2007 Integrated Resource Plan (IRP) with its state regulatory agencies on May 30, 2007. PacifiCorp's IRP is a comprehensive decision support tool and road map for meeting the company's objective of providing reliable and least-cost electric service to all of its customers while addressing the substantial risks inherent in the electric utility business. PacifiCorp developed the 2007 IRP against the backdrop of continuing market and regulatory changes in the electric power industry, particularly in the areas of state promotion of renewable generation and carbon dioxide reduction policies. These changes highlight the importance of understanding and accounting for the risks and uncertainties inherent in resource planning.

The IRP was also developed with considerable public involvement from customer interest groups, regulatory staff, regulators and other stakeholders. For example, the company held 13 public meetings from late 2005 through April 2007 to engage stakeholders on important planning issues and solicit comments on IRP analysis methods and assumptions. PacifiCorp files the IRP with its state regulatory agencies every two years, and requests that they acknowledge the 2007 IRP’s conclusions, including the proposed action plan that addresses decisions that need to be made over the next two to four years.

The IRP uses two complementary system modeling tools as part of its analytical framework to determine the long-run economic and operational performance of alternative resource portfolios. These models simulate the integration of new resource alternatives with PacifiCorp’s existing assets over a 20-year period, and together informed the selection of a preferred portfolio for the next ten years (2007-2016) judged to be cost-effective after considering risk, uncertainty, and multiple state resource policies.

PacifiCorp's 2007 IRP consists of two volumes: 

• The main IRP report, which presents PacifiCorp’s resource planning principles and objectives, a profile of major external influences on the company’s planning effort, a resource needs assessment, options considered for resource portfolio development, the modeling and risk analysis approach, portfolio evaluation results, and an action plan.
• The IRP Appendices.

Below are links to PacifiCorp’s latest IRP information. For more information, please contact PacifiCorp's Resource Planning Department at irp@PacifiCorp.com or (503) 813-5245. 

2008 IRP  

• 2008 IRP Presentations and Schedule

• 2007 Integrated Resource Plan Update

2007 IRP (May 30, 2007) 

• 2007 PacifiCorp Integrated Resource Plan (3.6MB)  
• 2007 PacifiCorp Integrated Resource Plan - Appendices (2.6MB)
• 2007 PacifiCorp Integrated Resource Plan - Errata
• 2007 IRP Presentations, Schedule and Technical Workshop Materials

MidAmerican Energy Holdings Company (“MEHC”) made a commitment to work with the states to produce a Renewable Energy Action Plan (”the Renewable Plan”) as part of its acquisition of PacifiCorp. PacifiCorp committed to filing a ten-year plan, concurrent with its next IRP filing, showing how it plans to acquire 1,400 megawatts of new cost-effective renewable resources by 2015, including specific milestones over a ten year planning period as to when resources will be added.  Consistent with the commitments, MEHC and PacifiCorp filed a preliminary plan for achieving the 1,400 megawatt renewable target on September 21, 2006. This document is an updated Renewable Energy Action Plan and is being filed concurrent with PacifiCorp’s 2007 Integrated Resource Plan.  The 2007 Integrated Resource Plan identified 2,000 megawatts of renewable resources targeted by the end of 2013.  The Renewable Plan sets forth the objectives and action items to meet the commitment of acquiring cost-effective renewable resources by the target date.  The Renewable Energy Action Plan is divided into four categories:  Resource Acquisition, Institutional, System Operations and Transmission.

• 2007 PacifiCorp Renewable Energy Action Plan  

On November 3, 2005, the Resource Planning department filed with the commissions an update to the 2004 IRP for informational purposes. The 2004 IRP Update incorporates a resource portfolio analysis that accounts for PacifiCorp's latest resource forecasts and revised modeling assumptions. This Update stems from PacifiCorp's commitment to revisit and refresh the IRP Action Plan each year.

• 2004 IRP Update 

2004 IRP (January 20, 2005)  

PacifiCorp filed its 2004 IRP on January 20, 2005. PacifiCorp’s 2004 IRP consists of two volumes: 1) The main IRP document which presents the PacifiCorp planning context, a profile of resource needs, analytical methods used, modeling results, analysis conclusions, and an Action Plan, 2) the Technical Appendix.

• 2004 IRP Overview 
• 2004 PacifiCorp Integrated Resource Plan (1.4 MB) 
• 2004 Technical Appendix (2.3 MB) 
• 2004 IRP Presentations and Technical Workshop Materials 

• 2003 IRP Update    

2003 IRP (Filed January 2003)

• 2003 Integrated Resource Plan: A summary brochure
• 2003 Integrated Resource Plan: Read the entire report (1.6 MB)
• Appendices: Read the appendices (2.9 MB)