Cost, Well-To-Wheels Energy Use, and Emissions for the Current Technology Status of Seven Hydrogen Production
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Technical Report Hydrogen Pathways: Cost, NREL/TP-6A1-46612 Well-to-Wheels Energy Use, September 2009 and Emissions for the Current Technology Status of Seven Hydrogen Production, Delivery, and Distribution Scenarios Mark Ruth National Renewable Energy Laboratory Melissa Laffen and Thomas A. Timbario Alliance Technical Services, Inc. Technical Report Hydrogen Pathways: Cost, NREL/TP-6A1-46612 Well-to-Wheels Energy Use, September 2009 and Emissions for the Current Technology Status of Seven Hydrogen Production, Delivery, and Distribution Scenarios Mark Ruth National Renewable Energy Laboratory Melissa Laffen and Thomas A. Timbario Alliance Technical Services, Inc. Prepared under Task No. HS07.1002 National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 • www.nrel.gov NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Operated by the Alliance for Sustainable Energy, LLC Contract No. DE-AC36-08-GO28308 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. Available electronically at http://www.osti.gov/bridge Available for a processing fee to U.S. Department of Energy and its contractors, in paper, from: U.S. Department of Energy Office of Scientific and Technical Information P.O. Box 62 Oak Ridge, TN 37831-0062 phone: 865.576.8401 fax: 865.576.5728 email: mailto:[email protected] Available for sale to the public, in paper, from: U.S. Department of Commerce National Technical Information Service 5285 Port Royal Road Springfield, VA 22161 phone: 800.553.6847 fax: 703.605.6900 email: [email protected] online ordering: http://www.ntis.gov/ordering.htm Printed on paper containing at least 50% wastepaper, including 20% postconsumer waste Acknowledgements The authors would like to acknowledge the following people for their assistance and support during this analysis. The FreedomCar and Fuel Partnership’s Fuel Pathway Integration Technical Team (FPITT) identified the need to examine concurrently the cost and well-to-wheels energy use and emissions of various hydrogen production and delivery pathways and to carefully document the key parameters of the analysis. They reviewed the results of the study both for content and for presentation and provided many helpful pointers. In addition, they performed the gap analysis that identified issues reported in Section 11. Current and past members of the team include Don Gardner and Matt Watkins (Exxon Mobil Corporation); Graham Moore, Bhaskar Balasubramanian, and Jonathan Weinert (Chevron Corporation); Jim Uihlein and Maria Curry-Nkansah (BP America Inc.); Ed Casey (Conoco-Phillips Company); Henk Mooiweer, Karel Kapoun and CJ Guo (Shell Hydrogen, LLC); Johanna Levene, Todd Ramsden, and Darlene Steward [National Renewable Energy Laboratory (NREL)]; and Fred Joseck [Department of Energy (DOE)]. Model developers assisted in the use of their models and understanding of underlying assumptions. Macro-System Model (MSM) developers include Victor Diakov (NREL) and Tim Sa, Mike Goldsby, Andy Lutz, and Keith Vanderveen [Sandia National Laboratories (SNL)]. H2A developers who assisted include Maggie Mann, Johanna Levene, Todd Ramsden, and Darlene Steward (NREL) and Brian James (Directed Technologies, Inc.). The Hydrogen Delivery Scenario Analysis Model (HDSAM) developers who assisted include Amgad Elgowainy [Argonne National Laboratory (ANL)] and Matt Ringer (NREL). The Greenhouse Gas, Regulated Emission, and Energy for Transportation (GREET) model developers who assisted include Amgad Elgowainy, Ye Wu, and Michael Wang (ANL). James Beetham (University of Colorado) assisted with MSM runs and data collection. Tien Nguyen (DOE) and Genevieve Saur (NREL) provided assistance in finding sources. Fred Joseck (DOE) provided leadership, guidance, and funding for which we are grateful, and this analysis would not have been possible without him. iii Table of Contents Acknowledgements ............................................................................................................ iii 1.0 Executive Summary ...................................................................................................... 1 2.0 Introduction ................................................................................................................... 3 2.1 Document’s Intent ..................................................................................................... 3 2.2 Market State and Technology Development Assumptions ....................................... 3 2.3 Analysis Boundaries ................................................................................................. 4 2.4 Pathways ................................................................................................................... 4 2.5 Models Used in the Pathway Analyses ................................................................... 13 3.0 Resource Assumptions ................................................................................................ 15 3.1 Natural Gas ............................................................................................................. 15 3.2 Electricity ................................................................................................................ 16 3.3 Biomass (Wood) ..................................................................................................... 21 3.4 Coal ......................................................................................................................... 24 3.5 Carbon Sequestration .............................................................................................. 26 4.0 Status of Supporting Infrastructure ............................................................................. 29 4.1 Natural Gas Supply Infrastructure .......................................................................... 29 4.2 Electricity Transmission Grid ................................................................................. 34 4.3 Biomass Truck Transportation and Delivery .......................................................... 38 4.4 Coal Moved by Railway ......................................................................................... 40 5.0 Production Technology Description and Assumptions............................................... 44 5.1 Distributed Natural Gas Reforming ........................................................................ 44 5.2 Distributed Electrolysis ........................................................................................... 45 5.3 Central Biomass Gasification ................................................................................. 48 5.4 Central Natural Gas Reforming .............................................................................. 49 5.5 Central Electrolysis ................................................................................................. 51 5.6 Central Coal with Carbon Capture and Sequestration ............................................ 51 6.0 Delivery Technology Description and Assumptions .................................................. 55 6.1 Liquid Hydrogen Delivery ...................................................................................... 55 6.1.1 Liquid Hydrogen Truck ................................................................................... 55 6.1.2 Liquefier ........................................................................................................... 56 6.2 Gaseous Hydrogen Delivery ................................................................................... 58 6.2.1 Pipeline ............................................................................................................ 59 6.2.2 Compressor ...................................................................................................... 59 6.3 Compression, Storage, and Dispensing .................................................................. 61 7.0 Vehicle Assumptions .................................................................................................. 65 7.1 Vehicle Fuel Economy ............................................................................................ 65 7.2 Vehicle Criteria Pollutant Emissions ...................................................................... 67 8.0 Financial Assumptions ................................................................................................ 69 9.0 Pathway Results .......................................................................................................... 71 9.1 Distributed Natural Gas .........................................................................................