Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

05/22/2001

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 2.44 2.44 0.70 8.55
01:00 2.44 2.44 0.70 8.55
02:00 2.44 2.44 0.70 8.55
03:00 2.44 2.44 0.70 8.55
04:00 2.44 2.44 0.70 8.55
05:00 2.44 2.44 0.70 8.55
06:00 2.51 2.51 0.70 8.55
07:00 3.50 2.47 1.00 5.90
08:00 3.50 2.47 0.80 5.90
09:00 3.50 2.47 0.80 5.90
10:00 3.50 2.47 0.80 5.90
11:00 3.50 2.47 0.80 5.90
12:00 3.50 2.47 0.80 5.90
13:00 3.50 2.47 0.80 5.90
14:00 3.50 2.47 0.80 5.90
15:00 3.50 2.46 0.80 5.90
16:00 3.50 2.47 0.02 5.90
17:00 3.50 2.47 0.02 5.90
18:00 3.50 2.47 0.02 5.90
19:00 3.50 2.44 0.80 5.90
20:00 3.50 2.45 0.80 5.90
21:00 3.50 2.43 1.00 5.90
22:00 3.50 2.43 1.20 7.95
23:00 2.43 2.43 0.80 50.00