P-5

Ancillary Services Prices, Day Ahead Market

12/01/2007

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	2.54	2.54	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	0.25	0.25	0.25	46	0.25	0.25	0.25	46
06:00	2.54	2.54	0.3	75.92	0.3	0.3	0.3	75.92
07:00	7	2.69	0.5	78.2	7	2.69	0.5	78.2
08:00	7	0.5	0.5	85	7	0.5	0.5	85
09:00	9.57	3.07	0.5	45	7	0.5	0.5	45
10:00	7	3.03	0.5	45	7	3.03	0.5	45
11:00	7	3.03	0.5	45	7	3.03	0.5	45
12:00	9.54	3.04	0.5	45	7	0.5	0.5	45
13:00	9.54	3.04	0.5	45	7	0.5	0.5	45
14:00	9.42	3.03	0.5	45	7	0.61	0.5	45
15:00	9.54	3.04	0.5	45	7	0.5	0.5	45
16:00	9.53	3.03	1	80	7.5	1	1	80
17:00	9.51	3.01	3.01	80	9.51	3.01	3.01	80
18:00	9.52	3.02	3.02	80	9.52	3.02	3.02	80
19:00	10.44	3.07	3.07	57.57	9.57	3.07	3.07	57.57
20:00	9.54	3.04	1	55.5	7.5	1	1	55.5
21:00	9.54	3.04	0.5	45	7	0.5	0.5	45
22:00	9.59	3.09	0.5	45	7	0.5	0.5	45
23:00	0.3	0.3	0.3	45	0.3	0.3	0.3	45