Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/27/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 10.00 1.11 0.51 200.00
01:00 10.00 1.14 0.85 200.00
02:00 5.00 1.11 0.51 60.00
03:00 5.00 1.11 0.51 30.00
04:00 5.00 1.11 0.51 30.00
05:00 6.00 1.10 0.51 200.00
06:00 10.00 1.10 0.51 200.00
07:00 10.00 1.09 0.49 100.00
08:00 6.00 1.12 0.35 100.00
09:00 6.00 1.13 0.35 100.00
10:00 5.00 1.14 0.35 30.00
11:00 5.00 1.19 0.35 25.00
12:00 6.00 1.13 0.35 25.00
13:00 5.00 1.13 0.25 25.00
14:00 6.00 1.13 0.35 25.00
15:00 5.00 1.14 0.25 25.00
16:00 5.00 1.14 0.49 60.00
17:00 5.00 1.14 0.51 70.00
18:00 5.00 1.14 0.49 70.00
19:00 5.00 1.13 0.49 70.00
20:00 5.00 1.13 0.49 70.00
21:00 5.00 1.13 0.25 50.00
22:00 6.00 1.13 0.49 60.00
23:00 5.00 1.13 0.49 50.00