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Strategic Plan for Economic Upgrades in Transmission Summit 2007

Detailed plan to upgrade transmission infrastructure, improve reliability, and address constraints in the system. Includes goals, focus areas, and economic upgrade processes. Collaboration with various entities to enhance interconnections and optimize power flow.

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Strategic Plan for Economic Upgrades in Transmission Summit 2007

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  1. Strategic Plan and Economic Upgrade Process 2007 Transmission SummitJuly 31, 2007New Orleans, Louisiana

  2. Strategic Plan • 10-Year Study • 2015 Summer Peak • Develop alternate dispatch scenario to more closely reflect real-time dispatch • Review historical generation patterns to determine what generation does not typically run • Possibly run a minimum load case

  3. Strategic Plan: Goals • Address frequently TLR’d flowgates • Remove or reduce the need for RMR generation • Address frequently constraining flowgates in the AFC process • Address long-standing reliability problems • Webre-Wells • Sheridan South • Base case contingency overloads • Terminal equipment limited flowgates • Existing inter-area transfer limits • EES-SPP (ANO-Ft. Smith) • EES-SOCO • EES-TVA

  4. Strategic Plan: Goals • Tie in with SPP 765kV plans • Work with other RTO projects • Ozark study • Accommodate new generation interconnections • Improve existing import limits (Amite South, DSG, WOTAB)

  5. Strategic Plan: Specific Focus Areas • Acadiana • McAdams • Webre-Wells • DSG • Amite South • Arkansas 161 kV • Stability Limits • Mt. Olive – Hartburg • Webre – Wells • Franklin – McKnight

  6. Strategic Plan: Specific Focus Areas • Danville – N. Magazine • Mablevale/Little Rock Import • Western Region • El Dorado • Bogalusa • ISES, Whitebluff (possible double transformer contingency)

  7. Strategic Plan: This Year • High-level Analysis • Thermal & Voltage Analyses • N-1-1 in Load Pockets • Starting Point for Discussion

  8. Strategic Plan: Future • Stability • Short Circuit • More detailed analysis • Production Cost

  9. Economic Upgrades • ICT will identify potential economic upgrades based on: frequent TLR’s, frequently constrained flowgates, WPP results, RMR’s, etc. • Preliminary Analysis will be posted. • ICT will provide an estimate of potential benefits: increased MW flow, reduction in congestion, cost savings, etc. • Customers may request a study of a specific upgrade, including a Facility Study. • Separate Queue • NITSA/Pre-888, PTP Request, IOA/LGIA required to proceed with construction

  10. Economic Upgrades • Customers may fund upgrades at their discretion. • Any new dispatch made possible by an upgrade will be reflected in models. • ICT will report to regulators on Economic Upgrade activities.

  11. Super-Regional Summits • Continue to hold Entergy ICT Summit • Possibility of Entergy / CLECO / SPP / LAFA / ETEC / Other Transmission Owners Summit • Possibility of Entergy / SERC Region Summit

  12. Jody HollandManager, ICT Planning501-614-3315jholland@spp.org

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