Point Lay Wind-Diesel Conceptual Design Report 9 January 2015 This report prepared for North Slope Borough by and Point Lay Conceptual Design Report Page | i This report was written by Douglas Vaught, P.E. of V3 Energy, LLC under contract to WHPacific Solutions Group for development of wind power in the village of Point Lay, Alaska. This analysis is part of a wind energy design project for the North Slope Borough and funded by the Alaska Energy Authority. Contents Introduction ............................................................................................................................................ 1 Project Management ........................................................................................................................... 1 Point Lay ................................................................................................................................................. 1 Wind Resource Assessment ..................................................................................................................... 3 Met tower data synopsis ..................................................................................................................... 3 Data Recovery ..................................................................................................................................... 4 Wind Speed ......................................................................................................................................... 4 Wind Rose ........................................................................................................................................... 4 Turbulence Intensity ............................................................................................................................ 5 Cold Climate Considerations of Wind Power ........................................................................................ 6 Wind Project Sites ................................................................................................................................... 7 Site A ................................................................................................................................................... 7 Site B ................................................................................................................................................... 8 Site C ................................................................................................................................................... 9 Other Site Options ............................................................................................................................. 11 Recommended Site Option ................................................................................................................ 11 Wildlife/Avian Study .............................................................................................................................. 11 Geotechnical Report .............................................................................................................................. 12 Noise Analysis ....................................................................................................................................... 13 Permitting and Environmental Review ................................................................................................... 14 Alaska Pollution Discharge Elimination System .................................................................................. 14 US. Fish and Wildlife Service/National Marine Fisheries Service ......................................................... 14 Federal Aviation Administration ........................................................................................................ 15 U.S. Army Corps of Engineers............................................................................................................. 16 Alaska Department of Fish and Game ................................................................................................ 16 State Historic Preservation Office ...................................................................................................... 16 Wind-Diesel Hybrid System Overview .................................................................................................... 16 WHPacific Solutions Group and V3 Energy, LLC 9 January 2015 Point Lay Conceptual Design Report Page | ii Wind-diesel Design Options ............................................................................................................... 16 Low Penetration Configuration ...................................................................................................... 17 Medium Penetration Configuration ............................................................................................... 17 High Penetration Configuration ..................................................................................................... 18 Recommended Penetration Configuration ..................................................................................... 19 Wind-Diesel System Components ...................................................................................................... 19 Wind Turbine(s) ............................................................................................................................. 20 Supervisory Control System ........................................................................................................... 20 Synchronous Condenser ................................................................................................................ 20 Secondary Load ............................................................................................................................. 20 Deferrable Load ............................................................................................................................. 21 Interruptible Load .......................................................................................................................... 21 Storage Options ............................................................................................................................. 21 Wind-Diesel Philosophy ......................................................................................................................... 22 Point Lay Powerplant............................................................................................................................. 24 Switchgear ..................................................................................................................................... 24 Geospatial Perspective of Electrical Load ....................................................................................... 24 Phase Balance of Electrical Load .................................................................................................... 25 Transformers ................................................................................................................................. 25 Phase and/or Transformer Capacity Location(s) for Additional Load .............................................. 25 Condition of Distribution Lines, Transformers, Poles ...................................................................... 25 Parasitic and Other Losses ............................................................................................................. 25 Wind Turbine Options ........................................................................................................................... 26 Aeronautica AW/Siva 250 .................................................................................................................. 26 Northern Power Systems 360-39 (NPS 360-39) .................................................................................. 27 Vestas V27 ......................................................................................................................................... 28 Wind-Diesel HOMER Model ................................................................................................................... 29 Powerplant ........................................................................................................................................ 29 Caterpillar Diesel Generators ......................................................................................................... 30 Cat 3508 Recovered Heat Ratio ...................................................................................................... 30 Wind Turbines ................................................................................................................................... 31 Electric Load ...................................................................................................................................... 31 WHPacific Solutions Group and V3 Energy, LLC 9 January 2015 Point Lay Conceptual Design Report Page | iii Thermal Load..................................................................................................................................... 32 Wind Turbine Configuration Options ................................................................................................. 33 System Modeling and Technical Analysis ............................................................................................... 34 Model Results ...................................................................................................................................