CSU Switch Station Additions and Transmission Interconnection with Entergy

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  • CSU Switch Station Additions and Transmission Interconnection with Entergy

    1. 1. “Update on CSU Switch of CSU’s Underground Electric System” the Expansion Station Additions and Transmission Interconnection with Entergy Presented by : David Massey, P.E. Timothy R. Crabb, P.E. March 22, 2012
    2. 2. For Council ApprovalConstruction Contract Based on Lowest Bidder Meeting All Specifications and RequirementsSubstation Additions Include: Distribution Additions for Service and Reliability to Existing and Future Customers Transmission Interconnection as Ordered by the Public Utilities Commission of Texas (PUCT)
    3. 3. NERC and Regional Reliability Organizations
    4. 4. Project Details & Bid Results
    5. 5. “SUBSTATION 101”An Electric Substation is where the voltage is “steppeddown” to voltage that can be “distributed” throughout theCityNew Substation Transformers cost between $700K and$1.2M eachIt can take 12 to 18 months to get a new SubstationTransformer Each Substation is designed for either 2 or 3 Substation Transformers A new Substation costs between $4M and $5M CSU has a long range plan for the number and location of Substations required Substation timing is determined by load growth in an area
    6. 6. SWITCH STATION NORTHGATE POST OAK SUBSTATION SUBSTATION SUBSTATION (PROPOSED) SOUTHWOOD VALLEY SUBSTATION DOWLING SPRING CREEK ROAD SUBSTATION SUBSTATION GRAHAM ROAD SUBSTATION (PROPOSED) GREENSEXISTING SUBSTATION SITE PRAIRIEPROPOSED SUBSTATION SITE SUBSTATION
    7. 7. 2010: INSTALLEDDOWLING ROADSUBSTATION WITH 1-40MVA TRANSFORMER DOWLING ROAD SUBSTATION
    8. 8. SWITCH STATION SUBSTATIONSTAYBRIDGE SUITESAND PANERA BREAD
    9. 9. SWITCH STATION SUBSTATION2012: MOVE 40 MVATRANSFORMER FROMSERVICE CENTER TOSWITCH STATIONSUBSTATION. INSTALLENTERGY TIE.DOWLINGROADSUBSTATION
    10. 10. PROPOSEDNORTHGATESUBSTATION ?
    11. 11. NORTHGATE SWITCH SUBSTATION STATION SUBSTATION2013: INSTALLNORTHGATE SUBSTATION.MOVE 20 MVATRANSFORMER FROMSWITCH STATION. DOWLING ROAD SUBSTATION
    12. 12. DOWLINGROADSUBSTATION
    13. 13. PROPOSED SWITCHNORTHGATE STATIONSUBSTATION SUBSTATION 2014: INSTALL 2ND TRANSFORMER AT DOWLING ROAD SUBSTATION DOWLING ROAD SUBSTATION
    14. 14. ENTERGY SWITCHING STATIONCSU TO INSTALL SUBSTATIONEQUIPMENT AND ½ OF FIBERRING ENTERGY TO INSTALL SUBSTATION EQUIPMENT, 500’ TRANSMISSION TIE, AND ½ OF FIBER RING COCS SWITCH STATION SUBSTATION
    15. 15. CSU ADDITIONS: 40 MVATRANSFORMER, SWITCHES,BUS WORK, DISTRIBUTIONBREAKER BAY:$1,992,000 ENTERGY TIE: TRANSMISSION SWITCH, ERCOT METERING, A-FRAME,EXISTING 20 MVA SCADA EQUIPMENT ANDTRANSFORMER CLEAR TO CONTROLS: $669,000MOVE TO NORTHGATE IN2013 COCS SWITCH STATION SUBSTATION
    16. 16. ASKING FOR COUNCIL APPROVAL TOAWARD THE BID TO PIKE ELECTRIC IN THEAMOUNT OF $2,661,428.90 FOR THE “CSUSWITCH STATION ADDITIONS ANDTRANSMISSION INTERCONNECTION WITHENTERGY” PROJECT.
    17. 17. Questions?

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