P-5

Ancillary Service Prices, Day Ahead Market

08/01/2003

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	0.9	0.9	0.8	60	0.9	0.9	0.8	60
01:00	0.9	0.9	0.8	41	0.9	0.9	0.8	41
02:00	0.9	0.9	0.8	41	0.9	0.9	0.8	41
03:00	0.9	0.9	0.8	18	0.9	0.9	0.8	18
04:00	0.9	0.9	0.8	18	0.9	0.9	0.8	18
05:00	0.84	0.84	0.8	18	0.84	0.84	0.8	18
06:00	0.8	0.8	0.8	18	0.8	0.8	0.8	18
07:00	0.8	0.8	0.8	50	0.8	0.8	0.8	50
08:00	0.8	0.8	0.8	50	0.8	0.8	0.8	50
09:00	2.5	0.8	0.8	55	2.5	0.8	0.8	55
10:00	2.5	0.75	0.75	55	2.5	0.75	0.75	55
11:00	2.5	0.75	0.75	10	2.5	0.75	0.75	10
12:00	2.5	0.75	0.75	10	2.5	0.75	0.75	10
13:00	3	0.75	0.75	10	3	0.75	0.75	10
14:00	2.5	0.75	0.75	10	2.5	0.75	0.75	10
15:00	3	0.75	0.75	10	3	0.75	0.75	10
16:00	3	0.75	0.75	10	3	0.75	0.75	10
17:00	2.5	0.75	0.75	50	2.5	0.75	0.75	50
18:00	2.5	0.75	0.75	50	2.5	0.75	0.75	50
19:00	2.5	0.75	0.75	50	2.5	0.75	0.75	50
20:00	2.5	0.75	0.75	50	2.5	0.75	0.75	50
21:00	2.5	0.75	0.75	50	2.5	0.75	0.75	50
22:00	2.5	0.8	0.8	50	2.5	0.8	0.8	50
23:00	1.02	1.02	1.02	41	1.02	1.02	1.02	41