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Electric Power Outlook - Pennsylvania Public Utility Commission

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Figure 33 PJM 2010 installed capacity by fuel type<br />

Nuclear<br />

18.3%<br />

Solid Waste<br />

0.4%<br />

Hydro<br />

4.8%<br />

Wind<br />

0.4%<br />

Coal<br />

40.8%<br />

Gas<br />

29.1%<br />

Oil<br />

6.1%<br />

Figure 34 PJM 2010 generation by fuel type<br />

Solid Waste<br />

0.7%<br />

Hydro<br />

2.0%<br />

Wind<br />

1.2%<br />

Nuclear<br />

34.6%<br />

Coal<br />

49.3%<br />

Gas<br />

11.7%<br />

Oil<br />

0.4%<br />

At the end of 2010, 76,415 MW of capacity were in generation request queues for construction<br />

through 2018, compared to an average installed capacity of approximately 167,000 MW.<br />

Although it is clear that not all generation in the queues will be built, PJM has added capacity<br />

annually since 2000.<br />

Most steam units in PJM are from 30 to 50 years old, and significant retirements of steam units<br />

are likely to occur within the next 10 to 20 years, particularly if stricter environmental<br />

regulations make steam units more costly to operate. While steam units comprise 47.3 percent of<br />

all current MW, steam units 40 years of age and older comprise 84.6 percent of all MW 40 years<br />

of age and older, and 92.5 percent of such MW if hydroelectric is excluded from the total.<br />

52<br />

<strong>Pennsylvania</strong> <strong>Public</strong> <strong>Utility</strong> <strong>Commission</strong>

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