Table 8.  Key Results for the Electricity Generation Sector in Hg Emission Cap Cases, 2010 and 2020

Projection

1999

2010

2020

Reference

Hg 5-Ton

Hg 20-Ton

Reference

Hg 5-Ton

Hg 20-Ton

Emissions (Tons)

             

  Hg

  43

  46

    5

  20

  45

    5

  20

  SO2 (Millions)

12.7

9.7

8.8

9.7

8.9

7.2

9.0

  NOx (Millions)

  5.7

4.3

3.3

3.4

4.5

3.5

3.5

  CO2a

556

693

664

684

777

748

769

Allowance Prices (1999 Dollars)

  Hg (per Pound)

NA

NA

178,959

72,519

NA

193,973

68,918

  SO2 (per Ton)

207

   187

0

0

   241

0

12

  NOx (per Ton)

NA

4,391

    2,651

  3,669

5,037

    4,545

  4,645

  CO2 (per Ton)b

NA

NA

NA

NA

NA

NA

NA

Electricity Price
(1999 Cents per Kilowatthour)

6.66

6.14

6.38

6.23

6.21

6.37

6.28

Generation by Fuel (Billion Kilowatthours)

  Coal

1,893

2,297

2,134

2,237

2,366

2,200

2,318

  Oil and Other

   106

     50

     49

     48

     49

     51

     52

  Natural Gas

   593

1,085

1,218

1,133

1,813

1,951

1,847

  Nuclear

   734

   725

   725

   725

   613

   613

   617

  Renewable

   401

   440

   444

   439

   452

   459

   452

    Total

3,728

4,597

4,570

4,583

5,294

5,273

5,285

Emissions Controls (Cumulative Gigawatts of Generating Capability with Controls Added)

  Scrubbersc

0

  7

18

43

15

  52

  43

  SCR

0

93

95

92

93

  99

100

  SNCR

0

26

23

26

43

  25

  30

  Hg Emission Controls

             

    Spray Cooling

0

0

241

34

0

254

  40

    Fabric Filter

0

0

261

38

0

263

  43

aMillion metric tons carbon equivalent.

b1999 dollars per metric ton carbon equivalent.

cAn additional 2.7 gigawatts of retrofits are planned during 2000-2002.

NA = not applicable.

Source: National Energy Modeling System, runs M2BASE.D060801A, M2M9008.D060801A, and M2M6008.D060801A.

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