TransCanada Pipeline Overview

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TransCanada Pipeline - Overview

• Wisconsin Distributor Group
• October 1, 2008
• Milwaukee, WI

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TransCanada U.S. Pipelines Central

• Introductions
• Martin Wilde Director, Marketing
• Gas Control Operations
• Steve Jaskolski Manager, Gas Control
• Commercial Activities
• Joe Pollard - Director, Transportation Services
• Other
• Q A

3
Summer 2008 Operations
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Significant Items During the 2008 Summer Season

• Working storage is fully subscribed for
  2008/2009. April 1 starting content was 83-Bcf
  (35 full).
• Cold Springs 1 was placed into service in the
  Spring. Field has a working gas capacity of
  14-Bcf and maximum deliverability of 200-MMcf/d.
• Average injection rate for this summer season to
  date has been 0.79-Bcf/d.
• ANR posted storage restrictions on interruptible
  storage beginning September 11th. Specifically,
  DDS and MBS customers were required to reduce
  their remaining storage inventory volume to the
  September 10th allocated ending balance level by
  October 31st.
• Physical storage is approximately 91 full as of
  September 28th.

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Significant Items During the 2008 Summer Season

• MLS Issues/Risk Analysis study completed and
  options/recommendations have been presented to
  Executive Management for consideration.
• GLGT Integration Status Gas Control / Operation
  Control functions relocated to Houston in May,
  2008.
• Wisconsin Notification Process (Abnormal
  Operations) will be routed to all parties in
  the next week for updates.

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Monthly Cooling Degree Day Comparison C(W)TN
COLDER (WARMER) THAN NORMAL
Milwaukee
Green Bay
2007 Summer
2008 Summer

• Milwaukee was 4 CTN for the Summer 2008 and
  (25) WTN for Summer 2007.

• Green Bay was (2) WTN for the Summer 2008 and
  (35) WTN for Summer 2007 .

30 Year Normal
As of September 25, 2008.
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ANR SYSTEM STORAGE - COMPARISON OF DAILY
BALANCESAPRIL 1 THRU OCTOBER 31
10/31
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ANR System Combustion Turbine Capacity
19982008
ANRPL Operations Control
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Wisconsin Combustion Turbine Capacity
19982008
ANRPL Operations Control
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ANR System Power Generation Volumes
MMDth
ANRPL Operations Control
September 2008 Estimate
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Wisconsin Power Generation Volumes
MMDth
ANRPL Operations Control
September 2008 Estimate
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Winter 2008-2009 Operations
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ANR Pipeline SystemSystem Peak Day Capacity
Units in MDth/d
Crystal Falls 890
Marshfield 325
Storage (owned and contracted) 3,700
Janesville 120
Bridgman East 1,364
Joliet Area 701
SW Mainline 727
Lebanon (410)
SE Mainline 1,435
ANRPL Operations Control
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ANR Pipeline SystemWisconsin Design Day Capacity
Winter 2008/2009
ANRPL Operations Control
15
Winter 2008/2009 Available Firm Capacities

• SWML Fully Subscribed

• MLS/St. John 94 Subscribed

• Wisconsin Fully Subscribed

• SE 2A/2B 99 Subscribed

• SEML 74 Subscribed

• Lebanon - Fully Subscribed

• MLN 95 Subscribed

• Tieline 96 Subscribed

• Storage Fully Subscribed

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Significant Items for the 2008/2009 Winter Season

• No known system or facility issues that would
  impact ANRs operating ability during the
  upcoming heating season.
• Modifications at Bridgman and St. John to valve
  operator electronics and re-clamping of discharge
  piping to dampen vibration.
• Fabricate a custom lid for valves at St. John to
  eliminate water leaking on the valve seals and
  the associated potential for freeze-offs.
• Changed out solenoid valves at Weyauwega to
  replace electric over gas with air service to
  mitigate freezing.

17
Significant Items for the 2008/2009 Winter
Season Cont.

• Revised Field Operations Service Level
  Agreement with Gas Control for operationally
  critical areas.
• GLGT Gas Control has been integrated into Houston
  Gas Control and will operate in conjunction with
  ANR, providing increased operational strength
  during peaking operations (i.e., Fortune Lake,
  Reverse Flow Operations, etc.).

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Maintenance Schedule 2008-2009
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ANR Maintenance Projects October 2008

• MLS - St. John W-E Capacity Reduction
• 9/29 10/3 100-MMcf/d for St. John Maintenance
• 10/6 10/10 100-MMcf/d for St. John Maintenance
• 10/13 10/17 200-MMcf/d for Bridgman
  Maintenance
• IT Firm Secondary Service Impacted

• MLN Capacity Reduction
• 10/01 11/07 352-MMcf/d for Pipeline
  Maintenance
• No Service Impact Anticipated

20
ANR Maintenance Projects October 2008

• 20 1-301 Line Class Change
• Kewaskum-CFTP Capacity Reduction
• 202-MMcf/d (leaving 303-MMcf/d)
• Sept 29 Oct 24
• No Service Impact Anticipated

• SWML Compressor Maintenance
• SWML-CFTP Capacity Reduction
• 48-MMcf/d Reduction
• Oct 6 Oct 10
• IT Firm Secondary Service Impacted

• SWML Pigging Operations
• SWML-CFTP Capacity Reduction
• Firm Primary Nominations Only
• October 6 8
• IT Firm Secondary Service Impacted

21
ANR Maintenance Projects 2008 Potential Service
Impacts and Schedule Changes

• Service Impacts are estimates. Actual
  nominations, markets, weather and pipeline
  conditions, etc. will determine any level of
  curtailments.
• Projects may be added, altered, delayed or
  cancelled. Emergent work cannot be planned and
  will happen from time to time.
• ANR will provide notice of such planned work,
  including any additions or changes, via a posting
  under the Planned Service Outage (PSO) category
  on GEMS. Emergent work will be posted under the
  Critical category as soon as possible.

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ANR Pipeline CompanySE Gathering AreaSystem
Facilities From Hurricane IKE
ANRPL Operations Control
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EI 296 Platform
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ANR Pipeline Winter 2007/2008 Capacity Cuts
Abbotsford Jan 08 5 days Mar 08 3 days
Extreme Conditions Declared 1/18/08 1/25/08
1/30/08 1/31/2008 2/9/08 2/16/2008
2/20/2008 2/22/2008
St. John Nov 07 5 days Mar 08 5 days
Madison Lateral North Jan 08 2 days
Monclova/Maumees Feb 08 1 day
Joliet NGPL Nov 07 1 day
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Q AThank you.