Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

04/24/2001

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 2.52 2.52 0.75 8.55
07:00 2.50 2.46 0.85 5.90
08:00 2.60 2.45 0.85 6.50
09:00 2.60 2.51 0.85 6.50
10:00 2.60 2.50 0.85 5.90
11:00 2.60 2.50 0.85 5.90
12:00 2.60 2.50 0.85 6.50
13:00 2.60 2.45 0.85 6.50
14:00 2.60 2.50 0.85 6.50
15:00 2.60 2.50 0.85 6.50
16:00 2.50 2.45 0.85 6.50
17:00 2.50 2.45 0.85 6.50
18:00 2.60 2.45 0.85 6.50
19:00 2.50 2.43 0.01 6.50
20:00 2.50 2.44 0.85 6.50
21:00 2.50 2.44 0.84 6.50
22:00 2.48 2.44 0.86 7.50
23:00 2.44 2.44 0.75 8.55