P-5

Ancillary Services Prices, Day Ahead Market

04/01/2008

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	0.37	0.37	0.3	45	0.3	0.3	0.3	45
01:00	0.25	0.25	0.25	45	0.25	0.25	0.25	45
02:00	0.25	0.25	0.25	45	0.25	0.25	0.25	45
03:00	0.25	0.25	0.25	45	0.25	0.25	0.25	45
04:00	0.25	0.25	0.25	45	0.25	0.25	0.25	45
05:00	0.38	0.38	0.3	45	0.3	0.3	0.3	45
06:00	15.88	3.09	0.3	55	0.3	0.3	0.3	55
07:00	17.92	3.52	3.52	80.92	17.92	3.52	3.52	80.92
08:00	16.83	3.55	3.55	65	16.83	3.55	3.55	65
09:00	10.02	3.52	3.52	53.02	10.02	3.52	3.52	53.02
10:00	10.02	3.52	3.52	53.02	10.02	3.52	3.52	53.02
11:00	11.43	3.52	3.52	53.02	10.02	3.52	3.52	53.02
12:00	24.05	3.52	3.52	53.02	10.02	3.52	3.52	53.02
13:00	20.64	3.34	3.34	52.84	9.84	3.34	3.34	52.84
14:00	19.16	3.33	3.33	52.83	9.83	3.33	3.33	52.83
15:00	19.12	3.34	3.34	52.84	9.84	3.34	3.34	52.84
16:00	21.66	3.34	3.34	54.11	11.11	3.34	3.34	54.11
17:00	19.12	3.34	3.34	53.97	10.97	3.34	3.34	53.97
18:00	19.51	3.34	3.34	57.88	14.88	3.34	3.34	57.88
19:00	28.67	3.6	3.6	61.82	18.82	3.6	3.6	61.82
20:00	18.82	3.6	3.6	61.82	18.82	3.6	3.6	61.82
21:00	15.78	3.52	3.52	53.02	10.02	3.52	3.52	53.02
22:00	26.26	0.5	0.5	50	7	0.5	0.5	50
23:00	3.59	2.54	0.3	45	0.3	0.3	0.3	45