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ICT 2011 Reliability Assessment and Construction Plan Evaluation. Entergy Transmission Summit August 11, 2010 Sheraton New Orleans, Louisiana. Overview. Background Scope Draft Construction Plan Results. Background.

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ict 2011 reliability assessment and construction plan evaluation

ICT 2011 Reliability Assessment and Construction Plan Evaluation

Entergy Transmission SummitAugust 11, 2010SheratonNew Orleans, Louisiana

overview
Overview
  • Background
  • Scope
  • Draft Construction Plan
  • Results
background
Background
  • Reliability Assessment is performed pursuant to Entergy’s Open Access Transmission Tariff (OATT) Attachment K.
  • Objectives:
    • Assess of the ability of the Entergy transmission system to perform according to the Planning Criteria.
    • Evaluate the Construction Plan’s ability to mitigate any performance deficiencies found.
    • Provide basis for development of the Base Plan.
background2
Background
  • Draft report was made available for stakeholder review and comment
    • Posted on Entergy’s OASIS July 1, 2010
    • Presentation made at LTTIWG July 21, 2010
  • Final report is posted on Entergy’s OASIS.
    • Detailed spreadsheets not included in report are posted on Entergy’s oasis
    • Background models, data, and other information is posted on Entergy’s oasis
entergy planning criteria
Entergy Planning Criteria
  • Planning Criteria
    • NERC Planning Standards
    • SERC Supplements
    • Entergy’s Local Planning Criteria
    • Entergy’s Business Practices (Planning Guidelines)
  • Posted on Entergy’s OASIS
  • NERC Planning Standards being revised
reliability assessment scope
Reliability Assessment Scope
  • Models (2009 Series Update 1)
    • Near-Term Period: Summer & Winter 2012 & 2016
    • Longer-Term Period: Summer 2019
    • Construction Plan Projects
      • Initial Scan: Approved Projects from 2010-12 Construction Plan (CP)
      • CP Evaluation: Approved and Proposed Projects from 2011-13 CP
  • System Intact Review – Category A
  • Contingency Scan – Category B
    • Breaker-to-Breaker analysis
    • ICT’s 100MW rule (Bus-to-Bus analysis)
reliability assessment scope cont
Reliability Assessment Scope (cont)
  • Sensitivities
    • Specific Load Pocket Criteria
    • Low Hydro Sensitivity
entergy s draft construction plan 2011 2013
Entergy’s Draft Construction Plan 2011-2013
  • May 7, 2010: Original Draft Posted
  • July 28, 2010: Update 1 Posted
    • 2 New Projects (1 replaced)
    • 2 Delayed Projects
    • 5 projects changed from Proposed to Approved
  • 2010 BP and 2010-12 CP Differences Report
    • No differences
map legend
Map Legend

Contingency Scan Results with Entergy’s Draft Construction Plan Projects Included

Key to Map Highlights

Annotations

Overloads and Low Voltages

Planned Upgrade from Entergy’s Draft Construction Plan

Year Color Key

Other Notes

Solution being investigated

arkansas cpe results
Arkansas CPE Results

Brandon Hentschel

slide12

(2016) Norfork-Calico Rock : Upgrade 161 kV Line

(2015)Calico Rock-Melbourne - Upgrade 161kV Line

Holland Bottoms Project

slide14

Helena Op-guide

Clarksdale op-guide

(2016)AECC L&D 2 to Gillett: Construct new 115 kV Line

slide16

(2016)Hot Springs Hamilton (Albright) - Bismarck: Construct new 115 kV Line and convert Bismarck and Mountain Pine South to ring bus stations. Add capacitor bank at Milton

slide17

(2019)Mayflower - Morgan 115 kV Line: Upgrade

(2016) NLR Levy - NLR Dixie: Reconductor 115 kV line

(2016) NLR Westgate - NLR Levy: Reconductor 115 kV Line

low hydro
Low Hydro
  • Simulate reduced availability of SPA hydro units during summer peak (2012, 2016, and 2019)
    • Conway (Arkansas) Area
    • Little Rock
    • Truman
load pocket criteria
Load Pocket Criteria
  • 2016 Summer
  • Application of Specific Load Pocket Criteria
    • Western
    • Amite South
    • Downstream of Gypsy (DSG)
  • G-1, N-1
    • No new problems identified.
slide26

(2016)Getwell Area Improvements:

  • Construct new 230 kV line from Getwell to new Senatobia Industrial 230-115 kV substation.
  • Add new 230-115 kV autotransformer at new Senatobia Industrial substation.
  • Cut in Senatobia to Sardis 115 kV line into new substation.
slide28

(Target)Upgrade South Jackson - East Jackson 115kV line

(2017)Braswell to Forest Hill 115 kV Line Upgrade

(2014)Rankin Industrial – Airport 115 kV Line Upgrade

(2013)Ray Braswell - Wyndale 115kV Line

slide31

(2015)Vatican 138 kV Substation: Cut in Scott to Acadia 138 kV line to Vatican 138 kV, and add breakers at Vatican.

Vatican-Scott 138kV

slide33

(2014) McManus to Brady Heights – Upgrade 69kV Line

(2014) Jackson – Tejac 69kV Line

(2015) Port Hudson – 69kV Area Improvement

(2015) Port Hudson – Zachary REA 69kV Upgrade Line

slide34

(2014) Jackson – Tejac 69kV Line

(2014) McManus to Brady Heights – Upgrade 69kV Line

(2015) Port Hudson – Zachary REA 69kV Upgrade Line

(2015) Coly Area Improvement – Upgrade 230/69kV Autotransformers

slide35

(2016) Sorrento Upgrade 138/115kV Auto & upgrade Gonzales-Sorrento 138kV Line

(2015) St. James – Add 230kV Capacitor Bank

slide36

(2018) Raceland – Cut Waterford to Valentine 230kV line in/out of Raceland

Valcherie – Waterford 230kV

slide39

(2016) Mt. Olive to Arcadia – Construct new 230kV line (Operate at 115kV)

(2019) Arcadia to Sailes – Construct new 230kV line (Operate at 115kV)

slide40

Lake Charles Bulk Transformers

(2017) LC Bulk: Construct 230kV facilities & add 230/69kV Autotransformer

slide41

Canal-LA - Mossville

Chlomal - Lacassine

slide46

(2016) China – Stowell 138 kV Line

South Beaumont to Lovells Lake

slide49

(2012) New Caney capacitor bank expansion

(2018) Expand cap bank at Dayton Bulk

brandon hentschel engineer ii ict planning 501 688 1603 bhentschel@spp org
Brandon HentschelEngineer II, ICT Planning501-688-1603bhentschel@spp.org

Questions?