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Emission Levels, Reference Case Projections for 2010 and 2020, and Target Caps for Electricity Generators. Thousand Tons per Year. Thousand Tons per Year. 8,000. 16,000. Nitrogen Oxides. Sulfur Dioxide. 13090. 6191. 12,000. 6,000. 9700. 4480. 8950. 4340. 4,000. 8,000. 4,000.

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slide1

Emission Levels, Reference Case Projections for 2010

and 2020, and Target Caps for Electricity Generators

Thousand Tons per Year

Thousand Tons per Year

8,000

16,000

Nitrogen Oxides

Sulfur Dioxide

13090

6191

12,000

6,000

9700

4480

8950

4340

4,000

8,000

4,000

2,000

2240

1548

0

0

1997

1997

2010

2020

Target

2010

2020

Target

Million MetricTons Carbon Equivalent per Year

Tons per Year

800

60

Carbon

Dioxide

691

Mercury

773

46

45

43

600

45

475

475

30

400

200

15

4.3

0

0

1990

2010

2020

Target

1999

2010

2020

Target

slide2

Electricity Prices With and Without Emissions Limits,

1990-2020 (1999 cents per kilowatthour)

10

Without Emissions Limits

With Emissions Limits

8

6

4

2

0

1990

1999

2005

2010

2015

2020

slide3

Natural Gas Wellhead Prices With and Without Emissions

Limits, 1990-2020 (1999 dollars per thousand cubic feet)

4

Without Emissions Limits

With Emissions Limits

3

2

1

0

1990

1999

2005

2010

2015

2020

slide4

Emission Allowance Prices in the Reference Case

With Emissions Limits, 2020

200,000

400

153,000

150,000

221

Sulfur Dioxide, Nitrogen Oxides, and Carbon Dioxide in

1999 dollars per ton

Mercury in 1999 dollars per pound

100,000

200

122

50,000

0

0

0

Sulfur

Dioxide

Nitrogen

Oxides

Carbon

Dioxide

Mercury

slide5

Change in Coal vs. Natural Gas, Renewable, and Nuclear

Generation and Electricity Demand, 2020

(billion kilowatthours)

1,500

1,000

Electricity Demand

Nuclear

Renewable

500

Natural Gas

0

-500

-1,000

Coal

-1,500

slide6

Impact of 2010 Allowance Prices on Coal Plant Operating

Costs (1999 cents per kilowatthour)

4.0

Mercury

Carbon Dioxide

3.5

Sulfur Dioxide

3.0

2.5

2.0

1.5

1.0

0.5

0

Unscrubbed Coal Plant Without SCR

Scrubbed Coal Plant With SCR