Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/17/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.89 0.89 0.89 8.55
01:00 0.90 0.90 0.90 8.55
02:00 0.90 0.90 0.90 8.55
03:00 0.90 0.90 0.90 8.55
04:00 0.90 0.90 0.90 8.55
05:00 2.45 2.45 0.90 8.55
06:00 2.51 2.51 0.88 8.55
07:00 2.50 2.50 1.00 5.90
08:00 2.48 0.90 0.90 5.90
09:00 2.48 0.90 0.90 5.90
10:00 2.48 0.88 0.88 5.90
11:00 2.48 0.89 0.89 5.90
12:00 2.48 0.88 0.88 5.90
13:00 2.48 0.88 0.88 5.90
14:00 2.48 0.88 0.88 5.90
15:00 2.48 0.86 0.86 5.90
16:00 2.48 0.84 0.84 5.90
17:00 2.48 0.85 0.85 5.90
18:00 2.48 0.75 0.75 5.90
19:00 2.48 0.85 0.85 5.90
20:00 2.48 0.86 0.86 5.90
21:00 2.48 2.45 0.85 5.90
22:00 30.00 0.86 0.86 7.95
23:00 1.75 0.85 0.85 8.55