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World Energy Outlook 2006

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(IGCC) technology is expected to become increasingly competitive after 2015,<br />

reaching 46% efficiency in 2015 and 51% by 2030. Overall, 144 GW of<br />

IGCC capacity is expected to be commissioned during the projection period,<br />

more than half of it in the United States.<br />

Figure 6.4: Incremental Coal-Fired Electricity Generation by Region<br />

in the Reference Scenario, 2004-2030<br />

7%<br />

14%<br />

15%<br />

6%<br />

3%<br />

7 785 TWh<br />

55%<br />

China<br />

India<br />

Rest of developing Asia<br />

OECD North America<br />

Rest of OECD<br />

Rest of world<br />

Natural gas-fired electricity generation is expected to more than double<br />

between now and 2030. The projected increase in gas-fired generation is more<br />

equally distributed between regions than coal. High natural gas prices are now<br />

expected to constrain demand for new gas-fired generation, but gas-fired<br />

generation carries a number of advantages that make it attractive to investors,<br />

despite high fuel prices. Combined-cycle gas turbines (CCGTs) will be used to<br />

meet base- and mid-load demand and the bulk of peak-load demand will be<br />

met by simple-cycle gas turbines. Gas turbines will also be used in<br />

decentralised electricity generation. Fuel cells using hydrogen from reformed<br />

natural gas are expected to emerge as a new source of distributed power after<br />

2020, producing 1% of total electricity output in 2030. 5 Higher natural gas<br />

prices in the second half of the projection period make coal-fired generation<br />

more attractive for new plants.<br />

Oil-fired electricity generation continues to lose market share, dropping from<br />

7% of the world total in 2004 to just 3% by 2030. Oil continues to be used<br />

where gas is not available.<br />

The share of nuclear power in world electricity generation is projected to drop<br />

from 16% in 2004 to 10% in 2030, despite an increase in nuclear power<br />

5. Power generation from fuel cells is included in gas-fired power generation.<br />

Chapter 6 - Power Sector <strong>Outlook</strong> 141<br />

© OECD/IEA, 2007<br />

6

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