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Overview of Asia Pacific MarketsAPEx Conference 2008

Sydney

Presented by Dave Carlson

Chief Executive Officer, Energy Market Company, Singapore

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The world

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Asia Pacific presentations from…

IMOWA NEMMCO

KOREM

PEMC

KPX

TRANSPOWER/M-co

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Singapore

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2007 Benchmarking Study

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2007 Benchmarking Study

APX – The Netherlands KPX – Korea

CAMMESA – Argentina M-co – New Zealand

ELEXON – United Kingdom Nord Pool – Nordic Countries

EMC – Singapore OMEL – Spain

IMOWA – Western Australia WESM – Philippines

ISO-NE – New England XM – Colombia

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2007 Benchmarking Study

APX – The Netherlands KPX – Korea

CAMMESA – Argentina M-co – New Zealand

ELEXON – United Kingdom Nord Pool – Nordic Countries

EMC – Singapore OMEL – Spain

IMOWA – Western Australia WESM – Philippines

ISO-NE – New England XM – Colombia

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Market design

Locational Marginal Pricing

Trading Period Gate Closure

Singapore Yes – 620 nodes

30 mins 65 mins

Western Australia No 30 mins 22 - 46 hours

Korea No 60 mins 14 hours

New Zealand Yes – 244 nodes

30 mins 2 hours

Philippines Yes – 270 nodes

60 mins 1 hour

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Real-time (spot) Day-ahead

Others

Singapore Energy, Regulation, Primary Reserve, Secondary Reserve,Contingency Reserve

Bilateral contracts: Black-startVesting Contracts

Western Australia

Energy Capacity: AnnualBilateral contracts: Energy and reserve capacityBalancing: EnergyAncillary services: Spinning reserve, load following, black- start, load rejection reserve, system restart, dispatch support

Korea Energy, Available Capacity, Uplift (Constraint), AS (GF, AGC, Standing Reserve, Replacement Reserve, Black-start)

SMP Capacity: Compensation for available capacity

New Zealand

Spot electricity, fast and sustained instantaneous reserve

Philippines Energy Bilateral contracts: Energy, Ancillary Services (regulating, contingency and dispatchable reserves, black-start service and back-up support)

Products traded

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Generation

Total generation Installed capacity

@31/12/07

Number of generation coys

>5% market share

Singapore 38 TWh(81% gas, 17% oil,

2% other)

10,374 MW 5

Western Australia 16 TWh 4,784 MW 2

Korea 374 TWh(40% coal, 36%

nuclear, 18% gas, 6% other)

68,493 MW 6

New Zealand - - -

Philippines 41 TWh(45% gas, 32%

coal, 11% hydro, 8% geothermal, 4%

other)

11,596 MW 6

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Retail Competition

Retail Competition

Load Profiling Used?

Churn rate Number of retail coys > 5% market

share

Singapore Industrial & commercial 67%

8.5% 6

Western Australia

Industrial & commercial 60%

1.4% 2

Korea Nil (limited local coy market

participation)

- 1

New Zealand Industrial, commercial &

domestic 100%

8.0% -

Philippines Nil - - 1

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• Interconnections

• Price revision

• Real time dispatch scheduling

• Forecast information provision

• Settlement

• Surveillance and investigation

• Rule changes

• Industry stakeholder communication

• IT system capabilities and performance

• Market operator service costs

• Market operator performance

Other detail provided

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Why isn’t my name on the list?

APX – The Netherlands KPX – Korea

CAMMESA – Argentina M-co – New Zealand

ELEXON – United Kingdom Nord Pool – Nordic Countries

EMC – Singapore OMEL – Spain

IMOWA – Western Australia WESM – Philippines

ISO-NE – New England XM – Colombia