Southeastern Inter-Regional Planning Update (SIRPP)

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Southeastern Inter-Regional Planning Update
(SIRPP)
Entergy Transmission SummitAugust 11, 2009Astor
Crown PlazaNew Orleans, Louisiana
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Presentation Overview

• SIRPP Southeast Inter-Regional Participation
  Process
• www.southeastirpp.com

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SIRPP consist of the following members

• Southeastern Region (SERTP)
• Power South
• Dalton Utilities
• Georgia Transmission Corporation (GTC)
• Municipal Electric Authority of Georgia (MEAG)
• South Mississippi Electric Power Association
  (SMEPA)
• Southern Companies
• Duke Energy Carolinas
• Entergy Companies
• E. ON U.S.
• Progress Energy Carolinas
• Santee Cooper
• South Carolina Electric Gas (SCES)
• Tennessee Valley Authority (TVA)

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SIRPP Activity

• November 13, 2008 Stakeholders Conference Call
  to discuss study scope
• March 16, 2009- Stakeholders Conference Call to
  finalize scope of revised study
• August 19, 2009- Review/Present Report of Step 1
  Study Results to Stakeholders
• Q4 2009- Final Posting of Step 1
• Q1 2010- Process for Step 1 and 2 begins

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STEP 1 Study Assumptions

• Methodology
• Run Study Case (A) without transfer, and (B) with
  transfer. Each Transmission Owner applies TPL
  criteria to identify upgrades in Case B vs.
  upgrades in Case A.
• Upgrades associated with Transfer
• Compare Case B vs. Case A to identify any
  upgrades at 115 kV and above
• Comments
• Upgrades are identified by each Transmission
  Owner that experiences a flow impact using its
  TPL criteria. Upgrades would be identified
  independent of any ultimate contract path
  selected

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Stakeholders Comments to Transmission Owners on
the Five Economic Scenarios

• Stakeholders would like each scenario to be
  looked at in a way that identifies the upgrades
  needed on the collective SIRPP systems to
  accommodate the requested economic transfer.
• The stakeholders are looking for a flow-based
  analysis as opposed to a contract path based
  analysis.
• For example, on the requested 3000 MW PJM Classic
  to SOCO transfer, simulate a 3000 MW generation
  increase in PJM Classic and 3000 MW generation
  decrease in SOCO and determine
• How the 3000 MW of flow distributes across the
  system (i.e., how much flows through TVA, though
  Duke, through Entergy, through systems outside
  the SIRPP, etc.)
• What are the limitations / associated upgrades
  identified on the SIRPP systems

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SIRPP Step 1 Economic Studies for 2008/2009
GA Integrated Transmission System (GAITS)
2000 MW
Entergy
3000 MW
PJM (classic)
Southern Company
2000 MW
PJM (west)
Southern Company
3000 MW
Southern Company
PJM (classic)
5000 MW
SPP
SIRPP
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For additional information or to sign up to be
part of SIRPP

• www.southeastirpp.com

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Southeast Regional Transmission Planning Process
(SERTP)

• December 16, 2008 Final 2008 study results were
  presented at Southeast Transmission Summit
  available on SERTP website http//www.southeaster
  nrtp.com/
• March 25, 2009 2009 transfer studies selected
• Savannah gt GA 60, AL 20, MS 20 - 1000 MW
• Gulfport gt Georgia - 1000 MW
• Ties to SCEG gt Georgia - 1000 MW
• Murray 500 gt Florida Border - 650 MW
• Washington County gt Georgia - 5000 MW
• June 24, 2009 Presentation of Southeast
  Expansion Plan
• 2009Q4 Final 2009 study results will be
  presented at the Southeastern Transmission Summit
  date/location TBD

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Eddie FilatSenior Engineer, ICT
Planning501-688-1708efilat_at_SPP.org
Questions / Comments