P-5

Ancillary Service Prices, Day Ahead Market

12/01/2004

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	0.45	0.45	0.45	20	0.45	0.45	0.45	20
01:00	0.3	0.3	0.3	20	0.3	0.3	0.3	20
02:00	0.3	0.3	0.3	20	0.3	0.3	0.3	20
03:00	0.3	0.3	0.3	20	0.3	0.3	0.3	20
04:00	0.3	0.3	0.3	20	0.3	0.3	0.3	20
05:00	0.84	0.84	0.84	55	0.84	0.84	0.84	55
06:00	3	0.45	0.45	55	3	0.45	0.45	55
07:00	4	0.2	0.2	70	4	0.2	0.2	70
08:00	5	0.2	0.2	70	5	0.2	0.2	70
09:00	5	0.2	0.2	35	5	0.2	0.2	35
10:00	5	0.2	0.2	35	5	0.2	0.2	35
11:00	5	0.2	0.2	14	5	0.2	0.2	14
12:00	5	0.2	0.2	14	5	0.2	0.2	14
13:00	5	0.2	0.2	14	5	0.2	0.2	14
14:00	5	0.2	0.2	14	5	0.2	0.2	14
15:00	4	0.2	0.2	14	4	0.2	0.2	14
16:00	5	0.2	0.2	40	5	0.2	0.2	40
17:00	5	0.35	0.35	40	5	0.35	0.35	40
18:00	5	0.35	0.35	35	5	0.35	0.35	35
19:00	5	0.33	0.33	17.49	5	0.33	0.33	17.49
20:00	5	0.33	0.33	17.49	5	0.33	0.33	17.49
21:00	1.99	0.36	0.36	70	1.99	0.36	0.36	70
22:00	0.2	0.2	0.2	65	0.2	0.2	0.2	65
23:00	0.45	0.45	0.45	20	0.45	0.45	0.45	20