Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/25/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 1.95 1.95 1.30 99.00
01:00 1.91 1.91 1.30 99.00
02:00 1.91 1.91 1.30 99.00
03:00 1.91 1.91 1.30 99.00
04:00 1.91 1.91 1.30 99.00
05:00 1.25 0.95 0.95 8.55
06:00 2.52 2.52 0.95 8.55
07:00 2.55 2.45 1.30 5.90
08:00 2.55 1.25 1.25 6.55
09:00 2.55 1.25 1.25 6.55
10:00 2.55 2.43 0.90 5.90
11:00 2.55 0.90 0.90 5.90
12:00 2.55 2.43 0.90 6.55
13:00 2.55 2.43 0.90 6.55
14:00 2.55 0.90 0.90 6.55
15:00 2.55 0.90 0.90 6.55
16:00 30.00 0.63 0.25 99.00
17:00 30.00 0.90 0.90 99.00
18:00 2.55 2.44 0.25 99.00
19:00 2.55 2.45 0.90 6.55
20:00 2.55 2.44 0.90 6.55
21:00 2.50 2.43 0.85 6.50
22:00 2.50 2.45 0.85 6.50
23:00 2.47 2.47 0.95 8.55