Spreadsheet: dan_hyvl__4857__2000PowerArb
Sheet: Sheet1

GSA Field Sales and Resale Volumes Calculations
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Estimated
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Plant
 |  |  | Ambient | Maintenance |  | Monthly |  |  |  |  |  |  |  | Estimated | Estimated | Estimated | Estimated |  |  |  |  |  |  | Deliverability
 |  |  | Decrease to | Decrease to | Adjusted | Adjusted |  |  |  |  |  |  |  | Plant | Ambient | Plant | Plant |  | Remaining |  | Estimated |  | Planned | After MW
 |  | Daily Field | Daily Field | Daily Field | Daily Field | Field |  | Total | Total Monthly |  | ANR-LA | ANR-OK |  | Deliverability | Adjustment to | Deliverability | Deliverability |  | Output | Heat | Plant Burn |  | Empire | Turndown
 |  | Sale Under | Sale Under | Sale Under | Sale Under | Sale Under |  | Volume | Volume |  | Volume | Volume |  | Before MW | Plant | Before MW | After MW |  | After MW | Rate of | After MW |  | Payback | Adjusted for
 |  | GSA | GSA | GSA | GSA | GSA |  | Sold to ENA | Sold to ENA |  | Sold to ENA | Sold to ENA |  | Turndown | Deliverability | Turndown | Turndown |  | Turndown | Remaining | Turndown |  | [NAME] | Empire Payback
 |  | (MMBtu/d) | (MMBtu/d) | (MMBtu/d) | (MMBtu/d) | ([NAME]) |  | (MMBtu/d) | ([NAME]) |  | (MMBtu/d) | (MMBtu/d) |  | (MMBtu/d) | (MMBtu/d) | (MMBtu/d) | (MMBtu/d) |  | MWh | Output | (MMBtu/d) |  | (MMBtu/d) | (MMBtu/d)
September 29-30, 2000 |  | 192026 | 3360 | 0 |  |  |  | 106000 |  |  |  | 27000 |  | 181157 |  |  |  |  | 451 | 7414 | 80301 |  | 2079
October 1-16, 2000 |  | 192053 | 2149 | 0 |  |  |  | 106000 |  |  | 81900 | 24100 |  | 181221 | 2000 |  | 80525 |  | 449 | 7455 | 80301 |  | 2000
October 17-31, 2000 |  | 192053 | 2149 |  |  |  |  | 10929 |  |  |  |  |  | 181221 | 2000 |  | 80525 |  | 449 | 7455 | 80301 |  | 2000
October 2000 Total
November 2000 |  | 192291 | 0 | 0 |  |  |  | 106000 |  |  |  | 23000 |  | 180100 | 0 |  |  |  | 448 | 7524 |  |  | 0
December 2000 |  | 192291 | 0 | 0 |  |  |  | 106000 |  |  |  | 23000 |  | 180100 | 0 |  |  |  | 445 | 7563 |  |  | 0
January 2001 |  | 192291 | 0 | 0 |  |  |  | 106000 |  |  |  | 23000 |  | 180100 | 0 |  |  |  | 444 | 7592 |  |  | 0
February 2001 |  | 192291 | 0 | 0 |  |  |  | 106000 |  |  |  | 23000 |  | 180100 | 0 |  |  |  | 445 | 7569 |  |  | 0
March 2001 |  | 192291 | 0 | 0 |  |  |  | 106000 |  |  |  | 23000 |  | 180100 | 0 |  |  |  | 447 | 7538 |  |  | 0
Total
Notes:       1) | October Calculations Based On October Posted Fuel Rates.
2) | November through March Calculations Based on Estimated Fuel Rates Sourced From Winter 1999-2000.
3) | September Ambient Adjustment Based On Plant Nominations/Burns For The Week Of September 11th.
4) | Transaction Letter's For The Months Of September, November, December, January, February,and March Will Have Identical Language With Different Prices & Volumes.
5) | October Ambient Adjustment Based On Historical Information.
6) | Transaction Letter For October [NAME] Into Two Periods, October 1-16 and October 17-31 With Different Prices & Volumes For Each Period.
7) | Estimated Plant Deliverability After MW Turndown Is Before Any Empire Imbalance Payback Volumes