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					    CREZ Transmission Project Update

    April 29, 2010

    Amarillo, Texas




                                       M OVING
                                       AHEAD



1
Today’s Discussion

    2009 – Where We’ve Been
      Sharyland Team
      Substation Activity
      Transmission Line Activity
      Other Activity
    2010 – Where We’re Going
      Regulatory
      Substations
      Transmission Lines




2
The Sharyland Team
    Office Established in Amarillo
       Sherry Kunka – Manager of Community & Regulatory Affairs
    Owner’s Engineer (Design)
       Black & Veatch - Denver
    Land / ROW Acquisition
       Coates Field Services – Amarillo / Oklahoma City
    Environmental & Routing
       PBS&J – Austin
    Surveying & Mapping
       SAM, Inc. – Austin




3
Starting Out – January 2009
                                    Panhandle
                                                       CTT
                                       BA
                                                                     Sharyland Award
                                                                         5 Line Segments
                                                                         253 Miles 345kV Transmission*
        Panhandle                                                        4 Collection Substations
           AB                                                            $393 Million*

                                                                     Affected Counties
                                                                         Carson
                                                                         Armstrong
                                                                         Randall
                                                            CTT          Castro
            Panhandle
               AA                                                        Swisher
                                         Panhandle                       Briscoe
                                            AC                           Floyd
                                                                         Dickens
                                                                         Motley

                                                             ETT
                                                     WETT          LEGEND:
                                                                       Sharyland Line (Double Circuit)
                                                                       Sharyland Line (Single Circuit)
    *Dependent upon final approved line routes
                                                                       Sharyland Station

4
Substations – Station Siting
                                      Starting Point
    Panhandle AB
       Station       Panhandle BA         ERCOT CTOS Scenario 2
                        Station
                                          Proposed Site Adequacy
                                          Site Selection
                                          Station Naming (ERCOT)
                       Panhandle AC   Site Adequacy - Criteria
Panhandle AC              Station
   Station                                Topography / Terrain
                                          Access
                                          Existing Utilities (Electric)
                                          Line Routing
                                               Sharyland
                                               Other TSP’s
                                               Wind Generation
                                               Connections
                                          Landowner Consent
                                      All Sharyland Stations Have
                                      Been Secured via Options


5
Substations – Station Siting
                                      Starting Point
      Hereford
       Station        White Deer          ERCOT CTOS Scenario 2
                       Station
                                          Proposed Site Adequacy
                                          Site Selection
                                          Station Naming (ERCOT)
                          Silverton   Site Adequacy - Criteria
    Nazareth               Station
     Station                              Topography / Terrain
                                          Access
                                          Existing Utilities (Electric)
                                          Line Routing
                                               Sharyland
                                               Other TSP’s
                                               Wind Generation
                                               Connections
                                          Landowner Consent
                                      All Sharyland Stations Have
                                      Been Secured via Options


6
Substations – Station Design
    Silverton
        Site = 160 Acres
        Yard* = 1,200’ x 600’
        Capacity* = 1,800 MW
    White Deer
        Site = 160 Acres
        Yard* = 1,200’ x 600’
        Capacity* = 1,200 MW
    Nazareth
        Site = 160 Acres
        Yard* = 800’ x 600’
        Capacity* = 600 MW
    Hereford
        Site = 160 Acres
        Yard* = 800’ x 600’
        Capacity* = 200 MW
    Silverton is Template – All
    Others are Subset
                        * Nominal Sizes; Expandable

7
Substations – Surveying & Geotechnical
                   Surveying – Completed February 2010
                      Site Boundary (Legal Description)
                      Topography
                      Access Easements
                   Geotechnical – Completed March 2010
                      Foundation Design
                      Electrical Grounding Design




8
Transmission Lines Route Development
    Define Study Areas – ERCOT CTOS Scenario 2 Basis
    Contact Agencies & Officials
        Local – County Judges, Commissioners, Mayors, ISD Superintendents
        State – TX Parks, TX Water Development, TxDOT, Historical Commission, TCEQ, PRPC,
        Etc.
        Federal – FAA, USEPA, FEMA, USFWS, NRCS, USACE, Etc.
    Preliminary Constraint Identification
        Land Use – Parks, Recreation Areas, Crop/Pasture Land, Irrigation, Airfields/Heliports,
        Communications Towers, Etc.
        Aesthetics & Visibility – US & State Highways, FM Roads, Parks, Churches, Schools, Etc.
        Ecology – Woodlands, Brushlands, Wetlands, T/E Species, Playas, Floodplains
        Cultural – Recorded Cultural Sites, NRHP Sites, High Potential Areas
    Develop Preliminary Route Alternatives
    Identify / Directly Notify Potentially Affected Landowners (PAL)
    Local Newspaper Advertisements
    Brief Texas Farm Bureau District Representatives
    Public Meetings


9
  01 ilverton to Nazareth)
LS (S
       Nazareth
        Station




                             Silverton
                              Station




10
  01 ilverton to Nazareth)
LS (S
                Nazareth
                 Station




                                                                                        Silverton
                                                                                         Station

     Length                           Next Steps2
         TOS = 56 Miles                         Route Identification: August 2010
         Current1 = 48 Miles                    CCN Filing: September 27, 2010
     Type: Single / Double                      ROW Acquisition: 2nd Quarter, 2011
                                                Start Construction: 1st Quarter, 2012
     Public Meetings (2009)                     Energize: 1st Quarter, 2013
         October 6 – Tulia
         October 8 – Nazareth   1 Average   of All Options; Subject to PUCT Decision
                                2 Pending   Final TSP Coordination




11
  02
LS (Nazareth to Hereford)
                        Hereford
                         Station




             Nazareth
              Station



12
  02
LS (Nazareth to Hereford)
                        Hereford
                         Station         Length
                                                  TOS: 25 Miles
                                                  Current1: 33 Miles
                                         Type: Single / Double
                                         Public Meetings (2009)
                                                  October 5 – Hereford
                                                  October 8 – Nazareth
                                         Next Steps
                                                  Route Identification: August 2010
                                                  CCN Filing: September 27, 2010
                                                  ROW Acquisition: 2nd Quarter, 2011
                                                  Start Construction: 1st Quarter, 2012
                                                  Energize2: 1st Quarter, 2013



                                   1 Average   of All Options; Subject to PUCT Approval
                                   2 Pending   Final TSP Coordination

             Nazareth
              Station



13
  03
LS (Hereford to White Deer)
                     White Deer
                      Station




       Hereford
        Station




14
  03
LS (Hereford to White Deer)
                     White Deer
                      Station            Length
                                                   TOS: 60 Miles
                                                   Current1: 81 Miles
                                         Public Meetings (2009)
                                                   Aug. 24 – Amarillo
                                                   Aug. 25 – Panhandle
                                                   Nov. 17 – Wildorado
                                                   Nov. 19 – Panhandle
                                         Next Steps
                                                   Route Identification: May 2010
                                                   CCN Filing: June 14, 2010
                                                   ROW Acquisition: 4th Quarter, 2010
                                                   Start Construction: 3rd Quarter, 2011
                                                   Energize2: 2nd Quarter, 2013


       Hereford
        Station                   1 Average    of All Options; Subject to PUCT Approval
                                  2 Subject   to Final TSP Coordination




15
  04 ilverton to Cottonwood)
LS (S
              Silverton
               Station




        Cottonwood
          Station


16
  04 ilverton to Cottonwood)
LS (S
              Silverton
               Station
                                   Length
                                          TOS: 56 Miles
                                          Current1: 63 Miles
                                   Public Meetings (2009)
                                          Sep. 21 – Silverton
                                          Sep. 22 – Muncy
                                          Sep. 24 – Dickens
                                   Next Steps
                                          Route Identification: July 2011
                                          CCN Filing: August 16, 2011
                                          ROW Acquisition: 1st Quarter, 2011
                                          Start Construction: 3rd Quarter, 2011
                                          Energize2: 4th Quarter, 2012

                          1   Average of All Options; Subject to PUCT Approval
                          2   Pending Final TSP Coordination




        Cottonwood
          Station


17
  05
LS (White Deer to Silverton)
                 White Deer
                  Station




     Silverton
      Station




18
  05
LS (White Deer to Silverton)
                 White Deer
                  Station
                                      Length
                                              TOS: 56 Miles
                                              Current1: 76 Miles

                                      Public Meetings (2009)
                                              Oct. 19 – Silverton
                                              Oct. 20 – Claude
                                      Next Steps
                                              Route Identification: September 2010
                                              CCN Filing: October 18, 2010
                                              ROW Acquisition: 2nd Quarter, 2011
                                              Start Construction: 1st Quarter, 2012
                                              Energize2: 3rd Quarter, 2013

                              1   Average of All Options; Subject to PUCT Approval
                              2   Pending Final TSP Coordination
     Silverton
      Station




19
Where We Started
Panhandle                     Panhandle
   AB                            BA




                 Panhandle
                    AC       Panhandle AD
                              Cottonwood
                                (WETT)
                                Station
     Panhandle                  (WETT)
        AA




20
Where We Are
 Hereford                                   White Deer
  Station                                    Station
                                                                 Length
                                                                        TOS: 253 Miles
                                                                        Current1,2: 301 Miles
                             LS03                                13 Public Meetings
                                                                 PAL: ˜ 2,500
                                    LS05
                                                                 Potentially Affected Counties2
                                                                        Armstrong
                                                                        Briscoe
     LS02                                                               Carson
                                                                        Castro
                             LS01
                                                                        Deaf Smith
                                                                        Dickens
                                                                        Donley
                 Silverton                                              Floyd
                  Station                  Panhandle AD
                                            Cottonwood                  Motley
                                              (WETT)
                                              Station                   Oldham
      Nazareth                                (WETT)                    Potter
       Station                                                          Randall
                                                                        Swisher

                                    LS04                  1Sum   of Averages
                                                          2Contingent  Upon PUCT Decision




21
Public Meeting – Summary Statistics
                                                                  Attendees         Responses
                      Line Segment                      PAL     Total    % (1)    Total    % (2)
            LS01 - Silverton to Nazareth                  313       183     58%       123     67%
            LS02 - Nazareth to Hereford                   162         76    47%         42    55%
            LS03 - Hereford to White Deer               1,070       578     54%       219     38%
            LS04 - Silverton to Cottonwood                455       315     69%       162     51%
            LS05 - White Deer to Silverton                463       223     48%       110     49%
                                    TOTAL ==>>          2,463    1,375     56%       656        48%
                     Nazareth, TX




Tulia, TX




                                                                                                    Muncy, TX



                                                                                           1 – Based on PAL
                                         Hereford, TX                                      2 – Based on Attendees


22
Transmission Line / Tower Design

         Type: 345 kV Lattice
         Height*: 125’
         Base*: 37’
         Span*: 1,050’ (4-5 / mile)
         Insulator: Polymer
         ROW*: 175’
         Conductor: (2) 1939 ACS TW R/
         per Circuit
         Sag*: 27’
         Rating: 3,000 Amps
         Static Wire: (1) Shield; (1)
         OPGW (Fiber)



     *   Nominal

23
Other Activities

     Reactive Compensation Study
        Determine system needs for supporting equipment (capacitors, reactors,
        series compensation, etc.)
        Performed by ABB
        Managed by ERCOT
        Supported by TSP’s
     Generation Interconnect Studies (GINR)
        Establish system requirements for wind developers to connect to ERCOT
        4-Part Study: Steady State, Short Circuit, Dynamic & Facilities
        Underway: 3
        Pending: 15




24
What’s Next – Substations

     Substation Detailed Design: In Process through June 2011
     Bidding / Material Procurement: April 2010 - March 2011
     Bidding / Construction Specifications (Fall / Winter 2010)




25
What’s Next – Transmission Lines
     ROW Acquisition:                             CCN Filings: June 2010 – April 2011
         4th Qtr. 2010 – 1st Qtr. 2012                LS03
     Design – In Process through                             File – June 14, 2010
     September 2011
                                                             Approval* – December 2010
         Common Design: Current – October 2010
         Line Design: Dec 2010 – Nov 2011             LS04
         Communications / Relay Design: January              File – August 16, 2010
         2010 – August 2011
                                                             Approval* – February 2011
         Aerial Surveying: Spring 2011
     Bidding & Procurement                            LS01
         Materials: May 2010 – May 2011                      File – September 27, 2010
         Construction: Fall / Winter 2010                    Approval* – March 2011
                                                      LS02
                                                             File – September 27, 2010
                                                             Approval* – March 2011
                                                      LS05
                                                             File – October 18, 2010
                                                             Approval* – April 2011




                                                                       *Anticipated


26
Summary Schedule*




     1
      Includes Detailed Station Design, Procurement & Construction
     2
      Includes Detailed Line Design, Surveying, Procurement & Construction
     *Subject to Change




27
                          Contact Information
                                Amarillo Office
                                 1616 S Kentucky
                                    Suite B-114
                               Amarillo, Texas 79102
                                 P: 806.358.9070

         Dallas Office                                       McAllen Office
     1900 North Akard Street                             4403 West Military Highway
       Dallas, Texas 75201                                       Suite 700
        P: 866.354.3335                                    McAllen, Texas 78503
                                                              P: 956.687.5600

                         suhelp@sharylandutilities.com
                          www.sharylandutilities.com




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