Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/29/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.99 0.95 0.95 8.55
01:00 0.87 0.87 0.27 8.55
02:00 0.87 0.87 0.27 8.55
03:00 0.87 0.87 0.27 8.55
04:00 0.87 0.87 0.27 8.55
05:00 0.86 0.86 0.27 8.55
06:00 2.45 2.45 1.02 8.55
07:00 0.99 0.95 0.27 5.90
08:00 0.99 0.63 0.27 5.90
09:00 0.99 0.63 0.27 5.90
10:00 2.15 0.63 0.27 5.90
11:00 2.15 0.63 0.27 5.90
12:00 2.48 0.63 0.27 6.92
13:00 2.75 0.63 0.27 6.92
14:00 2.75 0.63 0.27 6.92
15:00 2.75 0.63 0.27 6.92
16:00 2.75 0.63 0.27 6.92
17:00 2.75 0.63 0.27 6.92
18:00 2.75 0.63 0.27 6.92
19:00 2.15 0.63 0.27 6.92
20:00 2.75 0.63 0.27 6.92
21:00 2.75 0.63 0.27 6.92
22:00 5.75 0.95 0.27 6.92
23:00 5.75 0.82 0.27 8.55