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TransCanada Case Study: Emissions Management System Hasan Imran Senior Advisor, Climate Change October 23, 2007
US EPA Natural Gas STAR 14th Annual Conference, Houston, Texas
Agenda
� How does TransCanada track and manage its emissions?
� Development of an Emissions Management Strategy
� Creation of an Air Emissions Database
� Emissions Management Practices
� Continual Investment in R&D
� Quantifying Business Decisions � The Implementation of effective Practices and Procedures
TransCanada November 1, 2007 2
TransCanada
� Leading North American company in natural gas transmission and power generation
� $25.9 Billion in pipe and power assets ($Cdn at December 31, 2006)
� 2007 named as a member of the Global 100 Most Sustainable Companies in the world
� Skilled, expert, energetic people with strong technical knowledge
� Strong financial position to capture opportunities going into the future
TransCanada November 1, 2007 3
November 1, 2007TransCanada4
Quality assets and proposed projects
• approx. 59,000 km (36,500 miles) of wholly owned pipeline
– transports 15 billion cubic feet/day (Bcf/d) from virtually all major supply basins on the continent
• 2,969 km of proposed oil pipeline, capable of transporting 435,000 barrels per day
• 16 power facilities with 7,700 megawatts of power generation
• two proposed liquefied natural gas facilities
– 1.5 Bcf/d
1990
19
91
1992
19
93
1994
19
95
1996
19
97
1998
19
9 9
2000
20
01
2002
20
03
2004
20
05
2006
GHG emissions from pipeline operations and methane reduction
TransCanada Pipeline Greenhouse Gas Emissions Breakdown
0
2000
4000
6000
8000
10000
12000
14000
16000
kilo
tonn
es C
O2
CARBON DIOXIDE METHANE NITROUS OXIDE INDIRECT PIPELINE EMISSIONS
TransCanada November 1, 2007 5
Total Direct GHG Emissions and Methane Emission Reduction
TransCanada EmissionTransCanada Emission’’s Profiles Profile
Percent Change of GHG Emissions by Type '1990 to 2006'
67%
32%
1%
92%
6% 2%
CO2 CH4 N2O
kt C
O 2E
em
is si
o n s
1990 2006
•Decrease in methane emissions is due to effective leak detection and repair program (LDAR).
TransCanada November 1, 2007 6
EMSEMS -- Emissions Management SystemEmissions Management System
TransCanada Emissions Management System
- CO2 - CO - CH4 - VOC’s- N2O - NOx
- transfer compression - pipeline inspection tools - buttering and hot tappingEnergy Efficiency and - stopple plugsconservation - repair sleeves - hot line lowering
R & D
Vented Emissions (CH4, CO2)
Fugitive Emissions Blowdown Emissions
LDAR (leak detection & repair)
HFS (measurement)
TransCanada November 1, 20077
- incineration
Combustion Emissions
Methane (Fugitive) Emissions Management: Program Successes
Fugitive Emissions in million ft3 CH4
3233
710
0 500
1000 1500 2000 2500 3000 3500
78% Reduction = 2.5 Bcf
Natural Gas $23M
@ $7/GJ Natural Gas $5M @ $7/GJ
1997 2006
TransCanada November 1, 2007 8
2006 CCME Pollution Prevention Award
TransCanada’s Fugitive Emissions Management Program is Recipient of 2006 CCME Award
TransCanada November 1, 2007 9
Air Emissions Database System
Allows TransCanada to:
� Develop confidence in handling complex issues
� Effectively and Efficiently manage incoming emissions data
� Retrieve and Store information easily
� Reduce wait times for data
� Assumptions made can be stated and defended clearly
10 TransCanada November 1, 2007
Emissions Data Management Before
Current State Of GHG & CAC Inventory Tracking
Throughput / fuel used
GHG Inventory (in Excel Work Book)
Cancarb Transportation
Fugitive Emissions
Utility Consumption Forecast
Emissions Savings
Mainline Gas Accounting
Alberta Gas Accounting
BC Gas Accounting
Pipeline System Design
Retriev
eValv
esan
d Meter
Station
s data
Obtain system statistics
Matrix (Mainline)
GSAM (Alberta)
IGMS (BC &
Foothills)
Plant Engineering GeoFind
Avantis
SAP
Extensity
Vehicle/ Fleet
Car Rental Company
From Power Plants
Employee of Environment Group
GeoFind
Retri
eve
Com
pres
sor
Stat
ion
data
Operations Planning, System Design
Throughput / fuel used
Throughput / fuel used
Volume of Gas transported and Distance of Haul Customer Solutions &
Gas Quality
Employees of Environment
Group & External
Consultants
CAC Inventory
11 TransCanada November 1, 2007
Air Emission Data Management System User Experience
Air Emission Data
Management System Web
Portal
NPRI Air Contaminants
Electronic Reporting
opsEnvironmental
Microsoft Reporting Services
ADMS Database
Maintenance & Configuration Web Pages and Services
12 TransCanada November 1, 2007
Air Emission Data Management System Logical Design and Interfaces
13 TransCanada November 1, 2007
Air Emission Data Management System opsE Pipeline Hierarchy
Global libraries, such as *Reference and *Reports are included in all facility models.
This is a pipeline system.
This is a compressor station.
This is a compressor unit.
This is the NPRI Facility Information for Frenchman River compressor station.
14 TransCanada November 1, 2007
Emissions Management Team
A group of experienced people from many departments of the company that regularly reviews progress and sets targets and goals
� Uses reports to review progress
� Efficient decisions can be made
� Information is transparent and consistent
� Assumptions are clear upfront
15 TransCanada November 1, 2007
Blowdown Emissions Management
Control Methods and Technologies UsedControl Methods and Technologies Used•Scheduling Practices •Operational Adjustments •Transfer (Pull-down) Compressors •Buttered Stubs •Hot Tapping •Hot Line Lowering •Sleeves •Stopples
16 TransCanada November 1, 2007
Supersonic Gas Injector
� Developed for capturing very low pressure vent gases and re-
injection into a high pressure gas stream without the use of
rotating machinery
� Savings
� 4 million ft3/yr of gas savings from one compressor
� Natural gas worth $28,000/yr/unit @$7/GJ
� GHG emissions
� Zero operating cost
17 TransCanada November 1, 2007
Gas-Gas Ejector for Dry Gas Seal Leak Capture
Conceptual Flow Diagram US & Canadian patent filed
18 TransCanada November 1, 2007
Global Pipeline Honorable Mention Award
Received at Rio Pipeline 2007 Conference,
Rio de Janeiro, Brazil
19 TransCanada November 1, 2007
Use of Biofilteration for Methane reduction
� A joint venture of TransCanada & University of Calgary
� Methane gas can be oxidized biologically, with the use of methanotrophic bacteria
� Vented CH4 reduced to CO2: 21 times less global warming potential
� Implemented successfully at three sites
� No operating cost except
monitoring
� Almost 80% oxidation
rate achieved
� Biocell/Biocap/Biofilter
research received 2007
Emerald Award
20 TransCanada November 1, 2007
Use of Incinerator for Blowdowns
• Incineration of blowdown gas instead of venting (after transfer compression)
� At Caron Compressor Station, Moose Jaw, November 2002
212
� Emission savings of 1,100 tCO2e 1315
0
500
1000
1500
tonn
e CO
2E
CO2 equivalent from methane venting
CO2 from methane incineration
GHG Emission Comparison with & without Incineration after Transfer Compression
� Worth $17,000 @$15/t CO2E
21 TransCanada November 1, 2007
End Results - EMS
• Confidence
� The ability to quickly and accurately quantify inputs into important business decisions
� The success of our measurement program can be widely used
� The success of our Management System can be quantified
� Internal interest and buy-in is fostered
22 TransCanada November 1, 2007