Natural Gas Surcharge

Natural Gas Surcharge

Natural Gas Monthly Settlement

Month

2000

2001

2002

2003

2004

2005

2006

2007

2008

January

2.344

9.978

2.555

4.988

6.150

6.213

11.431

5.838

7.172

February

2.610

6.293

2.006

5.660

5.775

6.288

8.40

6.917

7.996

March

2.603

4.998

2.388

9.133

5.150

6.304

7.112

7.547

8.930

April

2.900

5.384

3.472

5.144

5.365

7.323

7.233

7.558

9.578

May

3.089

4.891

3.319

5.123

5.935

6.748

7.198

7.508

11.28

June

4.406

3.738

3.420

5.945

6.680

6.123

5.925

7.591

July

4.369

3.182

3.278

5.291

6.141

6.976

5.887

6.929

August

3.820

3.167

2.976

4.693

6.048

7.647

7.042

6.110

September

4.618

2.295

3.288

4.927

5.082

10.847

6.816

5.430

October

5.312

1.830

3.686

4.420

5.723

13.907

4.201

6.423

November

4.541

3.202

4.126

4.453

7.626

13.832

7.153

7.269

December

6.016

2.316

4.140

4.860

7.976

11.180

8.318

7.203

Average

3.886

4.273

3.221

5.387

6.138

8.616

7.226

6.860

8.991

Range $/Decatherm

Surcharge ($lb)

$6.000 - $6.500

$0.0055/lb

$6.501 - $7.000

$0.0071/lb

$7.001 - $7.500

$0.0087/lb

$7.501 - $8.000

$0.0103/lb

$8.001 - $8.500

$0.0118/lb

$8.501 - $9.000

$0.0134/lb

$9.001 - $9.500

$0.0150/lb

$9.501 - $10.000

$0.0166/lb

$10.001 - $10.500

$0.0181/lb

$10.501 - $11.000

$0.0197/lb

$11.001 - $11.500

$0.0213/lb

$11.501 - $12.000

$0.0229/lb

$12.001 - $12.500

$0.0244/lb

$12.501 - $13.000

$0.0260/lb

$13.001 - $13.500

$0.0263/lb

$13.501 - $14.000

$0.0292/lb

$14.001 - $14.500

$0.0300/lb

$14.501 - $15.000

$0.0323/lb

$15.001 - $15.500

$0.0338/lb

$15.501 - $16.000

$0.0355/lb

$16.001 - $16.500

$0.0371/lb

$16.501 - $17.000

$0.0386/lb