Fundamentals of the U.S. Electric Power Industry

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I. Properties of Electricity & Industry Structure

  • The difference between power & electrical energy 1-2
  • Volts, amperes & watts 1-3
  • AC versus DC electric current 1-6
  • Apparent power, real power & vars 1-9
  • The structure of the electric service system 1-11
  • The industry players: IOUs, municipals, NUGs, Rurals, power agencies, IPPs, EWGs & others 1-12
  • PURPA and The Energy Policy Act of 1992 1-23
  • Retail "Wheeling"- defined 1-25
  • North American Electric Reliability Councils (NERC) 1-26
  • The four "Synchronistic Regions", "Interconnects" or "Grids" 1-28
  • How electricity moves on a grid: Ohm's law and parallel flows 1-32
  • Tight and loose power pools 1-33
  • Common forms of electric generation 1-35
  • Baseload, intermediate & peaking units 1-40
  • System Lambda & Economic Dispatch 1-43
  • Control areas, spinning reserve and non-spinning reserve 1-46
  • How control areas operate  1-49
  • Area Control Error (ACE) 1-54
  • How generation dispatch influences available transmission capacity 1-56

II. Open Access Electricity Markets

  • Highlights of FERC Orders 888 & 889 1-64
  • OASIS 1-70
  • ISOs, Transcos and RTOs 1-72
  • FERC Order 2000 1-78
  • Poolco versus Bilateral Markets 1-85
  • Overview of the PJM market (with comments on the California experiment)  1-88
  • Point-to-point versus Network Transmission Service 1-98
  • Calculating Available Transfer Capacity (ATC) 1-105
  • Transmission congestion 1-118
  • Transmission Loading Relief ("TLR") procedures 1-120
  • Locational Marginal Pricing ("LMP") 1-126
  • Fixed Transmission Rights ("FTRs") 1-130

III. Overview of Bulk Power Trading

  • Introduction 1-135
  • Gas versus electricity trading: Similarities 1-136
  • Gas versus electricity trading: Differences 1-137
  • Power trading units: MWs versus MWhs 1-145
  • On-peak and round-the-clock transactions 1-146
  • Common transaction sizes & terms 1-147
  • Defining the different trading periods: Multiple spot markets 1-149
  • Common trading locations 1-150
  • Defining Brokers, Traders, Power Marketers 1-152
  • Enabling, Service, & Wheeling Agreements 1-157
  • "Financially Firm", "Unit Firm" & other contract terms 1-159
  • Anatomy of a bilateral transaction 1-166
  • "Shrinkage" & line loss issues 1-169
  • Scheduling and tagging a transaction 1-170

IV.  The Basics of Forward Power Transactions

  • Overview of forward power transactions 1-193
  • Forward "hub" trading with "Sellers Choice" (detailed example) 1-205
  • Physical flow versus scheduled flow versus contract path 1-205
  • An electricity "Bookout" transaction 1-205
  • Locational spread trading with physical electricity contracts 1-216
  • Institutional Energy Brokers & "sleeving" 1-220
  • Electronic energy exchanges 1-224
  • Contracts for differences ("CFDs") 1-244

VI.  Heat Rates, Spark Spreads & Tolling Arrangements

  • Heat rates and their impact on cross-commodity economics   1-294
  • Converting gas, oil & coal $/MMBtu prices to $/MWh prices  1-296
  • The difference between operating & economic heat rates   1-297
  • Converting $ per ton coal prices to $ per MMBtu  1-298
  • Converting gas, oil & coal MMBtu quantities to MWhs   1-299
  • Defining the "Spark Spread" 1-282
  • Tolling and reverse tolling arrangements   1-300
  • Selling gas by wire  1-307

APPENDIX #1

  • List of Electric Power Industry Websites 2
  • Glossary of Electricity Terms 3
  • Sample Electricity Pricing Broker Sheets 10
  • Sample Enabling Agreement: Purchase of Power 14
  • Sample Enabling Agreement: Firm Transmission Service 24
  • Sample Enabling Agreement: Non-Firm Transmission Service 28

APPENDIX #2

  • The PJM Market

PGS Energy Training
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• Tel: (412) 279-9298 • Fax: (412) 276-4676
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