Integrated Resource Plan Report Is Based Upon the Best Available Information at the Time of Preparation
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2019 Integrated resource planVOLUME 1 OCTOBER 18, 2019 This 2019 Integrated Resource Plan Report is based upon the best available information at the time of preparation. The IRP action plan will be implemented as described herein, but is subject to change as new information becomes available or as circumstances change. It is PacifiCorp’s intention to revisit and refresh the IRP action plan no less frequently than annually. Any refreshed IRP action plan will be submitted to the State Commissions for their information. For more information, contact: PacifiCorp IRP Resource Planning 825 N.E. Multnomah, Suite 600 Portland, Oregon 97232 (503) 813-5245 [email protected] www.pacificorp.com Cover Photos (Top to Bottom): Marengo Wind Project Transmission Line Electric Meter Pavant III Solar Plant PACIFICORP – 2019 IRP TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS .................................................................................................... i INDEX OF TABLES ........................................................................................................ vii INDEX OF FIGURES ........................................................................................................ x CHAPTER 1 – EXECUTIVE SUMMARY .................................................................. 1 PACIFICORP’S VISION ........................................................................................................... 1 REIMAGINING THE FUTURE BASED ON A CENTURY OF INNOVATION .............................................................. 1 REINVENTING THE FUTURE THROUGH COLLABORATION ............................................................................... 2 RETHINKING THE FUTURE BY INVESTING IN THE DIVERSITY OF THE WEST ..................................................... 3 INNOVATING SOLUTIONS TO BUILD THE FUTURE ......................................................................................... 3 BRINGING THE BEST OF THE WEST TO PACIFICORP’S CUSTOMERS ............................................................... 4 CONNECTING THE WEST TO MORE VALUE ................................................................................................... 5 PACIFICORP’S INTEGRATED RESOURCE PLAN APPROACH ..................................................... 5 PREFERRED PORTFOLIO HIGHLIGHTS .................................................................................... 6 NEW SOLAR RESOURCES ............................................................................................................................. 8 NEW WIND RESOURCES .............................................................................................................................. 9 NEW STORAGE RESOURCES ......................................................................................................................... 9 DEMAND-SIDE MANAGEMENT ................................................................................................................... 10 WHOLESALE POWER MARKET PRICES AND PURCHASES ............................................................................. 11 NATURAL GAS RESOURCES ........................................................................................................................ 12 COAL RETIREMENTS ................................................................................................................................. 12 CARBON DIOXIDE EMISSIONS .................................................................................................................... 13 RENEWABLE PORTFOLIO STANDARDS ........................................................................................................ 14 LOAD AND RESOURCE BALANCE ......................................................................................... 16 CAPACITY BALANCE .................................................................................................................................. 16 ENERGY BALANCE .................................................................................................................................... 17 2019 IRP ADVANCEMENTS AND SUPPLEMENTAL STUDIES ................................................. 18 IRP ADVANCEMENTS ................................................................................................................................ 18 SUPPLEMENTAL STUDIES .......................................................................................................................... 20 ACTION PLAN ...................................................................................................................... 22 CHAPTER 2 – INTRODUCTION ................................................................................ 29 2019 INTEGRATED RESOURCE PLAN COMPONENTS ............................................................ 30 THE ROLE OF PACIFICORP’S INTEGRATED RESOURCE PLANNING ....................................... 31 PUBLIC-INPUT PROCESS ...................................................................................................... 31 i PACIFICORP – 2019 IRP TABLE OF CONTENTS CHAPTER 3 –PLANNING ENVIRONMENT ......................................................... 35 INTRODUCTION .................................................................................................................... 36 WHOLESALE ELECTRICITY MARKETS ................................................................................. 36 NATURAL GAS UNCERTAINTY .................................................................................................................... 38 THE FUTURE OF FEDERAL ENVIRONMENTAL REGULATION AND LEGISLATION ................... 43 FEDERAL CLIMATE CHANGE LEGISLATION ................................................................................................ 43 FEDERAL RENEWABLE PORTFOLIO STANDARDS ......................................................................................... 44 FEDERAL POLICY UPDATE................................................................................................... 44 NEW SOURCE PERFORMANCE STANDARDS FOR CARBON EMISSIONS – CLEAN AIR ACT § 111(B) ................. 44 CARBON EMISSION GUIDELINES FOR EXISTING SOURCES – CLEAN AIR ACT § 111(D) ................................. 44 CLEAN AIR ACT CRITERIA POLLUTANTS – NATIONAL AMBIENT AIR QUALITY STANDARDS ............................ 44 REGIONAL HAZE ....................................................................................................................................... 45 MERCURY AND HAZARDOUS AIR POLLUTANTS ........................................................................................... 49 COAL COMBUSTION RESIDUALS ................................................................................................................ 49 WATER QUALITY STANDARDS .................................................................................................................... 50 2015 TAX EXTENDER LEGISLATION ........................................................................................................... 51 STATE POLICY UPDATE ....................................................................................................... 52 CALIFORNIA ............................................................................................................................................. 52 OREGON................................................................................................................................................... 53 WASHINGTON ........................................................................................................................................... 53 UTAH ....................................................................................................................................................... 54 WYOMING ................................................................................................................................................ 54 GREENHOUSE GAS EMISSION PERFORMANCE STANDARDS ......................................................................... 55 RENEWABLE PORTFOLIO STANDARDS ................................................................................. 55 CALIFORNIA ............................................................................................................................................. 56 OREGON................................................................................................................................................... 58 UTAH ....................................................................................................................................................... 60 WASHINGTON ........................................................................................................................................... 61 TRANSPORTATION ELECTRIFICATION .................................................................................. 61 HYDROELECTRIC RELICENSING ........................................................................................... 62 POTENTIAL IMPACT .................................................................................................................................. 63 TREATMENT IN THE IRP ............................................................................................................................ 64 PACIFICORP’S APPROACH TO HYDROELECTRIC RELICENSING ................................................................... 64 UTAH RATE DESIGN INFORMATION