spp.org 1. southeastern inter-regional planning update (sirpp) entergy transmission summit august...
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SPP.org 1
Southeastern Inter-Regional Planning Update (SIRPP)Entergy Transmission Summit
August 11, 2009Astor Crown PlazaNew Orleans, Louisiana
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SIRPP: Southeast Inter-Regional Participation Process
• www.southeastirpp.com
Presentation Overview
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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
2000 MWEntergyGA Integrated
Transmission System (GAITS)
PJM (classic) Southern Company
PJM (west) Southern Company
Southern Company PJM (classic)
SPP
3000 MW
2000 MW
3000 MW
5000 MW SIRPP
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www.southeastirpp.com
For additional information or to sign up to be part of SIRPP:
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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.southeasternrtp.com/
• March 25, 2009 – 2009 transfer studies selected
• Savannah > GA 60%, AL 20%, MS 20% - 1000 MW
• Gulfport > Georgia - 1000 MW
• Ties to SCEG > Georgia - 1000 MW
• Murray 500 > Florida Border - 650 MW
• Washington County > 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
Questions / Comments
Eddie FilatSenior Engineer, ICT Planning