Spreadsheet: craig_dean__4378__Frontera APRIL 2001 Mike Curry
Sheet: 0411

 | Gas - HSC |  | Variable Cost |  | EM Floor |  | VOM | Daily P&L Estimate (Variable ONLY) |  |  |  |  |  |  |  | Transaction Date: |  |  | 2001-04-10 00:00:00
 | 5.55 |  |  |  |  |  | 2.75 |  |  |  |  |  |  |  |  | Energy Flow Date: |  |  | 2001-04-11 00:00:00 |  |  | Typical Ramps
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Norm | Hot | Warm | Cold
 | HR | 0 | 0 |  |  | 53 | 57 | 55.5 | 46 | 46 | 25 | 50 | 26 | 50 | 58 | 45 |  |  |  |  |  |  |  |  | 30 |  | HR
 | End | B1 | B2 | Enron |  | HL&P | TNSK | JDOE | JDOE | JDOE | JDOE | JDOE | JDOE | JDOE | JDOE | JDOE |  |  |  | Total |  |  |  | 30 | 30 |  | End | HR | Fuel Cost | MMBtu
 | 1 |  |  |  |  |  |  |  |  |  | 50 |  | 90 |  |  |  |  |  |  |  |  | 140 |  | 40 | 30 |  | 1
 | 2 |  |  |  |  |  |  |  |  |  | 50 |  | 90 |  |  |  |  |  |  |  |  | 140 |  | 60 | 30 |  | 2
 | 3 |  |  |  |  |  |  |  |  |  | 50 |  | 90 |  |  |  |  |  |  |  |  | 140 | 30 | 80 | 60 |  | 3
 | 4 |  |  |  |  |  |  |  |  |  | 50 |  | 120 |  |  |  |  |  |  |  |  | 170 | 45 | 100 | 100 |  | 4
 | 5 |  |  |  |  |  |  |  |  |  | 50 |  | 150 |  |  |  |  |  |  |  |  | 200 | 150 | 210 | 140 |  | 5
 | 6 |  |  |  | 50 |  |  |  | 100 | 130 |  |  |  |  |  |  |  |  |  |  |  | 280 | 200 | 300 | 300 |  | 6
 | 7 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  | 50 |  |  |  |  |  |  |  |  |  | 450 | 450 | 450 | 450 |  | 7
 | 8 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8
 | 9 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  |  | 50 |  |  |  |  |  | MW | HR | MW | HR |  | 9
 | 10 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 140 |  | 330 |  |  | 10
 | 11 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 150 |  | 340 |  |  | 11
 | 12 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 160 |  | 350 |  |  | 12
 | 13 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 170 |  | 360 |  |  | 13
 | 14 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 180 |  | 370 |  |  | 14
 | 15 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 190 |  | 380 |  |  | 15
 | 16 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 200 |  | 390 |  |  | 16
 | 17 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 210 |  | 400 |  |  | 17
 | 18 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 220 |  | 410 |  |  | 18
 | 19 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 230 |  | 420 |  |  | 19
 | 20 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  |  |  | 430 |  |  | 20
 | 21 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 280 |  | 440 |  |  | 21
 | 22 |  |  | 100 | 50 | 100 | 50 | 100 |  |  |  |  |  |  | 50 |  |  |  |  |  |  | 290 |  | 450 |  |  | 22
 | 23 |  |  |  | 50 |  |  |  | 100 | 130 |  |  |  | 100 |  |  |  |  |  |  |  | 300 |  | 460 |  |  | 23
 | 24 |  |  |  |  |  |  |  |  |  | 50 |  | 90 |  |  |  |  |  |  |  |  | 310 |  | 470 |  |  | 24
 | Totals |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 320 |  | 480 |  |  | Totals
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | EM
 | Start | 0 | 0 | 562 |  | MMBtu/Start
 | [NAME]. | 0 | 0 | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Natural Nom. ([NAME]'s)
 | Transmission |  |  | $/MWh |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Rateable
 | ISO |  | 50MW= | 1573 | 1490 | 1463 | 1480 | 1600 | 1590 | 1586 | 1510 | 1743 | 1623 | 1506 | 1821 | 1800 |  |  |  |  |  | Non-Ratable
 | Sched |  | 50MW= | 1504
 | #'s
 |  |  |  |  |  | MW | 0 | 0 | 100 |  |  | Daily P&L Estimate (Variable ONLY) |  |  |  |  |  | Notes
 | Call Option (Daily Availability Calculations): |  |  |  |  |  |  |  |  |  |  | Revenues |  |  |  |  |  | SLM spoke w/Clint @ Enron @ 7:30EST, he said hrly guys had
 | (A). | Available Peak Energy Received |  |  |  |  | 0 | 0 |  | 0 |  |  | Energy |  |  |  |  | an offer of $45/MWh for the HE 8 volume but did not take it
 | (B). | Replacement Peak Energy Received |  |  |  |  | 0 | 0 | 0 | 0 |  |  | Start Charges |  |  |  |  | as they had been told the floor was $46/MWh.
 | (C). | Available and Replacement Peak Energy |  |  |  |  |  |  |  |  |  |  | Transmission
 |  | Scheduled but NOT Received due to
 |  | Uncontrollabel Force affecting BUYER |  |  |  |  | 0 | 0 | 0 | 0 |  | Expenses
 | (D). | Available Peak (7-22) Energy - Not Called |  |  |  |  | 0 | 0 | 0 | 0 |  |  | Fuel
 | (E). | Energy Called  but not Scheduled by [NAME] |  |  |  |  | 0 | 0 | 0 | 0 |  |  | Transportation |  | 0
 | (F). | ERCOT Energy taken from [NAME] |  |  |  |  | 0 | 0 | 0 | 0 |  |  | ISO Fees |  | 0
 | (G). | Energy Paid to [NAME] as Lliquidated Damages |  |  |  |  | 0 | 0 | 0 | 0 |  |  | Energy Mgmt. |  | 0
 | (H). | Total Peak Hour (7-22) Contracted Energy
 |  | Daily Availability |  |  |  |  |  |  |  | 0 |  |  |  | P&L