YOMING INDUSTRIAL DEVELOPMENT WINFORMATION AND SITING ACT Section 109 Permit Application Glenrock Wind Energy Project and Rolling Hills Wind Energy Project Prepared for Prepared by: 9193 South Jamaica Street Englewood, CO 80112 November 2007 Wyoming Industrial Development Information and Siting Act Section 109 Permit Application Glenrock and Rolling Hills Wind Energy Projects Prepared for PacifiCorp Energy November 2007 Prepared By: 9193 South Jamaica Street Englewood, CO 80112 DEN/ES092007001GR.DOC Page intentionally left blank. DEN/ES092007001GR.DOC Contents Section Page Acronyms and Abbreviations .........................................................................................................vi Executive Summary......................................................................................................................ES-1 Components ......................................................................................................................ES-1 Location.............................................................................................................................. ES-1 Schedule and Cost ............................................................................................................ ES-2 Construction and Operation Workforce Requirements.............................................. ES-2 Public Involvement – ISA Statute Meeting Activities ................................................. ES-2 Socioeconomic Impacts.................................................................................................... ES-3 Environmental Impacts ................................................................................................... ES-4 1.0 Purpose, Need, and Benefit ..............................................................................................1-1 1.1 Purpose and Need..................................................................................................1-1 1.2 Benefits.....................................................................................................................1-1 1.2.1 Point of Delivery - Goods and Services..................................................1-2 1.2.2 Taxes............................................................................................................1-2 2.0 Applicant and Facility Description.................................................................................2-1 2.1 Applicant Information...........................................................................................2-1 2.2 Location ...................................................................................................................2-2 2.3 Project Descriptions................................................................................................2-3 2.3.1 Glenrock Project Description...................................................................2-4 2.3.2 Rolling Hills Project Description.............................................................2-4 2.3.3 Legal Description.......................................................................................2-4 2.4 Wind Turbine Generators .....................................................................................2-6 2.4.1 Rotor Blades ...............................................................................................2-7 2.4.2 Nacelle.........................................................................................................2-8 2.4.3 Tower Structures .......................................................................................2-8 2.4.4 Foundations................................................................................................2-8 2.5 Additional Features................................................................................................2-8 2.5.1 Access Roads..............................................................................................2-8 2.5.2 Power Collection System..........................................................................2-9 2.5.3 SCADA System..........................................................................................2-9 2.5.4 Substations ...............................................................................................2-10 2.5.5 Meteorological Towers ...........................................................................2-10 2.5.6 Operation and Maintenance Building..................................................2-10 2.5.7 Lighting Specifications ...........................................................................2-11 3.0 Construction and Operations Descriptions...................................................................3-1 3.1 Construction Procedures.......................................................................................3-1 3.1.1 Site Civil Work/Preparation....................................................................3-2 3.1.2 Access Road/Crane Pad Preparation.....................................................3-2 3.1.3 Tower Foundations ...................................................................................3-2 3.1.4 Trenching and Placement of Underground Electric Conductor.........3-2 3.1.5 Substation/Switch Yard ...........................................................................3-3 DEN/ES092007001GR.DOC ii CONTENTS 3.1.6 Tower Assembly........................................................................................3-3 3.1.7 Transformers..............................................................................................3-3 3.1.8 Testing.........................................................................................................3-3 3.1.9 Cleanup/Reclamation ..............................................................................3-3 3.1.10 Site Decommissioning ..............................................................................3-4 3.1.11 Safety Mechanisms....................................................................................3-4 3.1.12 Construction Emergency Response/Plan..............................................3-5 3.2 Construction Schedule...........................................................................................3-6 3.3 Construction Workforce Estimate........................................................................3-8 3.3.1 Construction Management Workforce.................................................3-10 3.3.2 Single Worker ..........................................................................................3-10 3.3.3 Local to Non-local Workforce Ratio .....................................................3-10 3.3.4 Local Hiring Practice...............................................................................3-10 3.4 List of Permits Required for Construction........................................................3-10 3.5 Construction Workforce Housing Plan.............................................................3-11 3.6 Operation and Maintenance Activities..............................................................3-12 3.6.1 Wind Turbine Generators ......................................................................3-12 3.6.2 Operation and Maintenance Buildings ................................................3-13 3.6.3 Transformers and Substations...............................................................3-13 3.6.4 Underground Collection Line................................................................3-13 3.6.5 Products Used for Operations ...............................................................3-13 3.7 Operations Workforce Employment..................................................................3-14 3.8 Anticipated Operation Life .................................................................................3-15 4.0 Socioeconomic Baseline Data and Analysis of Impacts..............................................4-1 4.1 Study Area and Area of Impact............................................................................4-2 4.1.1 Study Area..................................................................................................4-2 4.1.2 Area of Impact ...........................................................................................4-4 4.2 Baseline Socioeconomic Conditions.....................................................................4-4 4.2.1 Population ..................................................................................................4-4 4.2.2 Economic Conditions..............................................................................4-10 4.2.3 Housing ....................................................................................................4-36 4.2.4 Education..................................................................................................4-55 4.2.5 Public Safety.............................................................................................4-62 4.2.6 Health Care ..............................................................................................4-69 4.2.7 Municipal Services ..................................................................................4-75 4.2.8 Transportation Facilities.........................................................................4-80 4.3 Socioeconomic Impact Analysis.........................................................................4-87 4.3.1 IMPLAN Socioeconomic Impact Modeling.........................................4-87 4.3.2 Housing Impact Analysis.......................................................................4-91