P-5

Ancillary Service Prices, Day Ahead Market

06/01/2003

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	1.6	1.6	1.6	95	1.6	1.6	1.6	95
01:00	1.6	1.6	1.6	16.8	1.6	1.6	1.6	16.8
02:00	1.6	1.6	1.6	16.8	1.6	1.6	1.6	16.8
03:00	1.6	1.6	1.6	16.8	1.6	1.6	1.6	16.8
04:00	1.6	1.6	1.6	16.8	1.6	1.6	1.6	16.8
05:00	1.6	1.6	1.6	16.8	1.6	1.6	1.6	16.8
06:00	1.6	1.6	1.6	16.8	1.6	1.6	1.6	16.8
07:00	45	2.5	2.5	9.8	45	2.5	2.5	9.8
08:00	45	1.35	1.35	9.8	45	1.35	1.35	9.8
09:00	45	1.35	1.35	9.8	45	1.35	1.35	9.8
10:00	45	1.3	1.3	9.8	45	1.3	1.3	9.8
11:00	45	1.3	1.3	43	45	1.3	1.3	43
12:00	45	1.3	1.3	43	45	1.3	1.3	43
13:00	45	1.3	1.3	43	45	1.3	1.3	43
14:00	45	1.3	1.3	43	45	1.3	1.3	43
15:00	45	1.3	1.3	43	45	1.3	1.3	43
16:00	45	1.3	1.3	43	45	1.3	1.3	43
17:00	45	1.3	1.3	43	45	1.3	1.3	43
18:00	45	1.3	1.3	43	45	1.3	1.3	43
19:00	45	1.3	1.3	43	45	1.3	1.3	43
20:00	45	1.3	1.3	43	45	1.3	1.3	43
21:00	45	1.3	1.3	43	45	1.3	1.3	43
22:00	45	1.35	1.35	43	45	1.35	1.35	43
23:00	45	2.5	2.5	43	45	2.5	2.5	43