Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/30/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 1.94 1.94 0.95 8.55
01:00 0.99 0.95 0.95 8.55
02:00 0.99 0.95 0.95 8.55
03:00 0.99 0.95 0.95 8.55
04:00 0.99 0.95 0.95 8.55
05:00 1.93 1.93 0.95 8.55
06:00 2.52 2.52 0.80 8.55
07:00 2.75 0.63 0.02 5.90
08:00 5.50 0.63 0.02 6.92
09:00 5.50 0.63 0.02 6.92
10:00 5.50 0.63 0.02 5.90
11:00 5.50 2.43 0.02 5.90
12:00 5.50 0.63 0.02 5.90
13:00 5.50 0.63 0.02 5.90
14:00 5.50 0.63 0.02 5.90
15:00 5.50 0.63 0.02 5.90
16:00 5.50 0.63 0.02 6.92
17:00 5.50 0.63 0.02 6.92
18:00 2.75 0.63 0.02 6.92
19:00 2.75 0.63 0.02 6.92
20:00 2.75 0.63 0.02 6.92
21:00 5.50 0.63 0.02 6.92
22:00 2.75 0.63 0.02 6.92
23:00 2.15 0.95 0.02 8.55