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SD Energy Infrastructure Authority “Transmission 101” June 9, 2006

SD Energy Infrastructure Authority “Transmission 101” June 9, 2006. Mike Risan Senior Vice President, Transmission Basin Electric Power Cooperative. Transmission Constraints. Constraints. Man. of. Rules. Nature. of. Rules. Rules of Nature. Laws of Physics Regional Characteristics.

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SD Energy Infrastructure Authority “Transmission 101” June 9, 2006

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  1. SD Energy Infrastructure Authority“Transmission 101”June 9, 2006 Mike Risan Senior Vice President, TransmissionBasin Electric Power Cooperative

  2. Transmission Constraints

  3. Constraints Man of Rules Nature of Rules

  4. Rules of Nature • Laws of Physics • Regional Characteristics

  5. Power Laws of Physics Load Generation

  6. Lightning Power Contingencies

  7. Power Contingencies

  8. Overload? Power

  9. Power Low Voltage?

  10. Power Transient Stability?

  11. Low Overload Transient Voltage Stability Weakest Link

  12. Power Transfer Capability Limit

  13. Complex

  14. Natural Characteristics • Coal • Hydro • Wind • Location • Load

  15. Coal

  16. Hydro Fort Peck Garrison Oahe BigBend FortRandall Gavins Point

  17. 50m (164ft) PowerClass Speed* (m/s) Wind Power(W/m2) Wind

  18. Location

  19. Limit Load Generation Load

  20. NDEX Load

  21. MHEX NDEX MWSI GRIS LNC GGS FTCALS WNE WKS COOPERS

  22. Rules of Nature Summary • Complex • Regional problem • Need regional solution • Technically feasible

  23. Rules of Man • Regulatory Rules/Processes • More Problematic • In a state of flux • Deregulation

  24. FERC • States • Transmission line permitting & siting • Eminent Domain authority • Rate Recovery PUC Regulatory Rules/Process • Federal Energy Regulatory Commission • Regulates jurisdictional utilities directly,others indirectly • Interstate transportation • Leading restructuring initiatives

  25. FERCRestructuring Initiatives • Orders 888/889 – 1996 • Order 2000 – 1999

  26. Orders 888/889 • Open Access Pro-Forma Tariff • Standards of Conduct • Electronic reservation system (OASIS) • Tariff Process (FIFO) • Consider all requests sequentially • Correctly assign costs

  27. Cost Provisions • Rate = • Expansion uses “OR” Pricing • Incremental • Average Cost Usage

  28. $100,000,000+

  29. Not designed for large scale Interregional Transactions

  30. Request Transmission Impact Study Facility Study Decision Period Confirm Service Tariff Process

  31. R T O

  32. Order 2000 • Regional Transmission Organizations • Regional pricing to eliminate pancaking • Coordinated operations for reliability improvement • Regional transmission planning Same goals as the IS!

  33. Rate Issues • RTO rate • License Plate • Postage Stamp • Bottom line = Who Pays?

  34. No Cost/Benefit Costs Benefits

  35. Other Impedimentsto New Transmission • Opposition and litigation • Siting across multiple jurisdictions • Impacts vs. benefits? • Who has responsibility to build? • Uncertain cost recovery • Risky – Who will invest?

  36. Rules of Man Summary • Regulatory arena in a state flux • Process in gridlock • Much uncertainty • Who pays?

  37. Solution • Expand Bulk Transmission System • System Wide Average Rate (HV only) • Common Rate Zone (IS) • Cost Effective/Efficient • Least Cost Planning • Allow Immediate Recovery for Investments • Incentives Unnecessary

  38. Solution • This will promote: • Economic Development • Energy Independence • Competition • Reliability

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