P-5

Ancillary Service Prices, Day Ahead Market

01/01/2003

Time Stamp	East				West
Time Stamp	10 Min Spinning Reserve ($/MWHr)	10 Min Non-Synchronous Reserve ($/MWHr)	30 Min Operating Reserve ($/MWHr)	Regulation ($/MWHr)	10 Min Spinning Reserve ($/MWHr)	10 Min Non-Synchronous Reserve ($/MWHr)	30 Min Operating Reserve ($/MWHr)	Regulation ($/MWHr)
00:00	1.25	1.25	1.25	34	1.25	1.25	1.25	34
01:00	1.25	1.25	1.25	45	1.25	1.25	1.25	45
02:00	1.22	1.22	1.22	12	1.22	1.22	1.22	12
03:00	1.22	1.22	1.22	12	1.22	1.22	1.22	12
04:00	1.22	1.22	1.22	12	1.22	1.22	1.22	12
05:00	1.22	1.22	1.22	40	1.22	1.22	1.22	40
06:00	45	1.4	1.4	34	45	1.4	1.4	34
07:00	14	1.28	1.28	27	14	1.28	1.28	27
08:00	14	1.27	1.27	27	14	1.27	1.27	27
09:00	14	1.28	1.28	27	14	1.28	1.28	27
10:00	14	1.27	1.27	7.5	14	1.27	1.27	7.5
11:00	14	1.27	1.27	7.5	14	1.27	1.27	7.5
12:00	14	1.27	1.27	7.5	14	1.27	1.27	7.5
13:00	14	1.27	1.27	7.5	14	1.27	1.27	7.5
14:00	14	1.27	1.27	7.5	14	1.27	1.27	7.5
15:00	14	1.27	1.27	7.5	14	1.27	1.27	7.5
16:00	14	1.26	1.26	27	14	1.26	1.26	27
17:00	14	1.26	1.26	27	14	1.26	1.26	27
18:00	14	1.26	1.26	27	14	1.26	1.26	27
19:00	14	1.26	1.26	27	14	1.26	1.26	27
20:00	14	1.26	1.26	23	14	1.26	1.26	23
21:00	14	1.27	1.27	27	14	1.27	1.27	27
22:00	3.25	1.28	1.28	55	3.25	1.28	1.28	55
23:00	45	1.4	1.4	34	45	1.4	1.4	34