Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/20/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 0.83 0.75 0.75 8.55
01:00 0.83 0.75 0.75 8.55
02:00 0.83 0.75 0.75 8.55
03:00 0.83 0.75 0.75 8.55
04:00 0.83 0.75 0.75 8.55
05:00 0.83 0.75 0.75 8.55
06:00 2.45 2.45 0.90 8.55
07:00 2.50 1.15 1.15 5.90
08:00 2.50 1.15 1.15 5.90
09:00 2.50 1.15 1.15 7.95
10:00 2.50 0.94 0.94 5.90
11:00 2.50 0.94 0.94 5.90
12:00 2.50 0.94 0.94 5.90
13:00 2.50 0.94 0.94 5.90
14:00 30.00 0.94 0.94 5.90
15:00 30.00 0.90 0.90 5.90
16:00 30.00 0.87 0.87 7.95
17:00 30.00 0.88 0.88 7.95
18:00 2.50 0.88 0.88 7.95
19:00 2.50 0.88 0.88 5.90
20:00 2.50 0.88 0.88 5.90
21:00 2.50 0.90 0.90 5.90
22:00 2.50 0.90 0.90 5.90
23:00 0.99 0.65 0.27 8.55