The GT24/GT26 Story

March 24, 2004
Mike Barrett
Disclaimer
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Nothing contained in this document should be construed as a definitive statement regarding the Company’s
financial condition or results of operations at or for the fiscal year ending on March 31, 2004 and the subsequent
financial years.
2
Agenda
l
The GT24/GT26 Story
l
What is the experience with the mature fleet ?
l
What advantages are already demonstrated in the field?
l
What improvements are available today?
l
What do our customers say today?
l
Summary
3
The GT24/GT26 Story
l A GT26 in combined cycle, produces enough
power (400 MW) to provide energy for
500,000 people.
l The turbine inlet temperature is 1280°C, close
to the melting point of the blades which require
advanced cooling methods.
l The 120 ton shaft, with a diameter of more than
3 metres, rotates 50 times per second.
Some facts about GT24/26
4
The GT24/GT26 Story
Gas Turbine
Steam Turbine
Generator
GT
HRSG
ST
G
Clutch
Condenser
GT24
Gas Turbine
5
A typical Single-Shaft Arrangement in Combined-Cycle Power Plant
Output
The GT24/GT26 Story
Upgrade
without
temp
increase
LPT Row 2
Modification
(cooling air and
Temp reduction)
Ongoing fleet
upgrades
Front runners
Temperature
reduced
further
Fleet
2000
Interim Operation Concept
2001
Stabilization
2003
2002
Field upgrades
Upgrade
Performance Test
2004
Ongoing fleet
implementation
Not to scale
Recovery profile
6
The GT24/GT26 Story
l
73 units in operation
l
Commercial negotiation :
March 03
Feb 04
Settlements agreed or not needed
61
68
In negotiation
12
12
7
0
80
80
In litigation
Total engines
Update on commercial operation
7
The GT24/GT26 Story
73
Units in commercial operation
2
Units in commissioning (Milford, Senoko II)
1
Units in construction
(Senoko II)
4
Units in suspension
(Staythorpe)
80
Units Total
GT24/GT26 Fleet Commercial Status
8
The GT24/GT26 Story (1)
l The GT24/GT26 gas turbine fleet has now accumulated over
850 000 operating hours
l Performance & Lifetime improvements deployed with positive
results
l 73 machines in operation with world class reliability and
availability and best-in-class emissions levels
l Commercial implications quantified & mitigation plans in place
l The engines are supplying enough electricity to meet the needs
of 20 million people in 17 countries world-wide.
Where are we today?
9
The GT24/GT26 Story (2)
l Cartagena CCPP in Spain (¼680
million)
l Gas Natural, an existing GT26
customer
l Turnkey combined-cycle power plant
(1,200 MW) including three GT26 gas
turbines and associated O&M contract
We are regaining Customer Confidence
10
Agenda
l
The GT24/GT26 Story
l
What is the experience with the mature fleet ?
l
What advantages are already demonstrated in the field?
l
What improvements are available today?
l
What do our customers say today?
l
Summary
11
What is the experience with the
mature fleet?
l
73 units in commercial operation
á + 3 units in hot commissioning (2x Milford, 1x Senoko II)
á + 1 GT26 Gas Turbine Test Centre
l
Fleet Experience
á
á
á
á
á
Simple Cycle, Combined Cycle and Repowering
Single Shaft and Multi Shaft
From “Daily starts and stops” to “base load” operating plants
Natural gas (also with high C2+), oil with online fuel switch-over
Power Augmentation (Inlet cooling)
Over 850’000 operating hours (leader >43’000), >24’000 starts,12
98+% GT reliability
What is the experience with the
mature fleet?
Accumulating Experience with the GT24/GT26 fleet:
1200000
1’000’000 OH
Cumulative Fleet Operating Hours
1100000
850’000 OH
1000000
GT24/GT26 Fleet accumulating at around
30’000 Operating Hours per month
Operating Hours
900000
800000
700000
500’000 OH
600000
500000
400000
250’000 OH
300000
200000
1st GT26B
100000
0
Sep-95 Mrz-96 Sep-96 Mrz-97 Sep-97 Mrz-98 Sep-98 Mrz-99 Sep-99 Mrz-00 Sep-00 Mrz-01 Sep-01 Mrz-02 Sep-02 Mrz-03 Sep-03 Mrz-04
Approaching 1 Million Operating Hours
13
What is the experience with the
mature fleet?
RINGSEND
GILBERT
BURGIN
AGAWAM
MIDLOTHIAN
ISLAND COGEN
LAKE ROAD
MILFORD
BLACKSTONE
BAYSIDE
HAYS
MIDLOTHIAN II
BELLINGHAM
LA PALOMA
1xGT24
2xGT24
1xKA24-1
4xKA24-1
1xKA24-1
3xKA24-1
2xKA24-1
2xKA24-1
1xKA24-1
4xKA24-1
2xKA24-1
2xKA24-1
4xKA24-1
MONTERREY
MONTERREY III
ROSARITO
HERMOSILLO
BESOS
SAN ROQUE
CASTEJON
1 xKA26-1
2xKA26-1
2xKA26-1
1xKA26-1
RDK4
1xKA26-2
1xKA26-1
1xKA26-1
1xKA26-2
4xKA26-1
1 xKA26
Gas Turbine Test Centre,
1xGT26
CHIBA MILL,
1xKA26-1
PORYONG
4 xKA24-2
TERMOBAHIA 1xKA24-1
HAI FU, 2xKA24-2
BOWIN
2xKA26-1
BANG BO 1xKA26-1
2xKA24-1
4xKA24-1
2xKA24-1
1xKA24-1
DOCK SUD
TOCOPILLA 1xKA26-1
ROCKSAVAGE
ENFIELD
SHOREHAM
CORYTON
STAYTHORPE
1xKA26-2
SWANBANK
1xKA26-1
SENOKO
1xKA26
SENOKO II 2xKA26
TARANAKI 1 xKA26-1
14
Orders of 51 GT24, 29 GT26 and 1 GT26 in the test centre
What is the experience with the
mature fleet?
How do they operate?
San Roque 1
Besos 4
Besos 3
San Roque 2
Castejon 1
Source: Boletín Estadístico de Energía Eléctrica - October 2003, No. 65
Five GT26B gas turbines have the highest
number of operating hours in Spain !
15
Leading Performance
Agenda
l
The GT24/GT26 Story
l
What is the experience with the mature fleet ?
l
What advantages are already demonstrated in the field?
l
What improvements are available today?
l
What do our customers say today?
l
Summary
16
What advantages are already
demonstrated in the field?
EV Combustor
EV
SEV
= EnVironmental
= Sequential EnVironmental
SEV Combustor
Compressor
High Pressure Turbine
Low Pressure Turbine
17
Main Components of GT24/GT26 Architecture
What advantages are already
demonstrated in the field?
l
Quick start-up times (45 minutes to full load)
l
Part load operation down to 40% load with high efficiency
l
Sequential combustion gives unique advantages
á Low emissions <25 vppm and low pulsations
á Constant exhaust temperature for optimal Combined Cycle layout
18
How do they operate?
What advantages are already
demonstrated in the field?
SEV Burner
l Advantages
á
á
á
á
High Power Density (Output / kg inlet air), small frame, small parts
Low Emissions on fuel gas and on fuel oil
High part load efficiency
Two degrees of freedom giving more combustion stability
Why Sequential Combustion?
19
Agenda
l
The GT24/GT26 Story
l
What is the experience with the mature fleet ?
l
What advantages are already demonstrated in the field?
l
What improvements are available today?
l
What do our customers say today?
l
Summary
20
What improvements are
available today?
l
Full Engine Validation
l A Simple Cycle Power Station
l Delivers more than 280 MW of
power to the Swiss grid
l Includes dual fuel and nonstandard gas capabilities
l More than 2000 additional
measuring points
l Is used for the state-of-the-art
testing which includes
á functionality testing
á protection test
á rainbow tests
á thermal paint tests
á compressor surge
GT26 Engine Test Facility at Birr
21
What improvements are
available today?
l
Benefits & Impact
l Open books in sharing gas turbine technologies
of both parties including but not limited to:
á design reports
á guidelines, processes,
á tools,
á test results
Hotter
regions
Cooler
regions
l Rolls Royce engines operate using:
á high temperature technologies
á advance aerodynamics
á high strength/high temperature materials
Rolls-Royce Cooperation
22
Agenda
l
The GT24/GT26 Story
l
What is the experience with the mature fleet ?
l
What advantages are already demonstrated in the field?
l
What improvements are available today?
l
What do our customers say today?
l
Summary
23
What our customers say today?
CCPP TARANAKI
"The Taranaki Plant has reached the goal of being the most
reliable low cost, base load thermal generator in NZ;
a direct result of the commitment and the willingness
of the ALSTOM Staff to contribute and to "go the extra mile."
Barrie Almond - Plant Manager – Taranaki Combined Cycle, 16 September 2003
l
CCPP TARANAKI
á 360 MW Power Plant in New Zealand
á Owned by Contact Energy Ltd.
á KA26-1 Single Shaft Power Train with
1 x GT26AB
á Commercial operation since July 1998
Satisfied Customers
24
What our customers say today?
CCPP Castejon
"The Castejon plant is running at 99% and is totally reliable.
If you ask me if there is anything to complain about,
the answer is ‘no’.”
Managing Director, Hydrocantabrico, 20 October 2003
l CCPP Castejon
á 400 MW Power Plant in Spain
á owned by HYDROCANTABRICO
á KA26-1 Single Shaft with
1 x GT26B
á Commercial operation since
September 2002
Satisfied Customers
25
What our customers say today?
CCPP Rocksavage
"Dramatic improvement in how ALSTOM performs in the management of
its very difficult technical and commercial issues. The organization has
regained our confidence."
Chuck Davis, Managing Director Intergen UK, 5 November 2003
l CCPP Rocksavage
á 770 MW Power Plant in United Kingdom
á owned by INTERGEN
á KA26-2 Multi-Shaft with 2 x GT26AB
á Commercial operation since July 1998
Satisfied Customers
26
Agenda
l
The GT24/GT26 Story
l
What is the experience with the mature fleet ?
l
What advantages are already demonstrated in the field?
l
What improvements are available today?
l
What do our customers say today?
l
Summary
27
Summary
GT24/GT26 Concluding ...
l Total of over 850,000 operating hours experience
l Advantages of the GT24/GT26 seen in the field
á Excellent part load efficiency down to 40% GT load
á Very low emissions
á Very low combined cycle start-up times
l Rigorous Validation led to engine achieving >98% reliability
l Performance of GT24B and GT26B with upgraded compressor
confirmed in the field with customer acceptance
l Continuous improvement program with partner Rolls-Royce
l Satisfied Customers
l Selling again a competitive product
We are back !
28
www.alstom.com