P-5

Ancillary Services Prices, Day Ahead Market

09/01/2006

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	3.39	3.39	0.25	43	0.25	0.25	0.25	43
01:00	3.19	3.19	0.25	43	0.25	0.25	0.25	43
02:00	3.19	3.19	0.25	43	0.25	0.25	0.25	43
03:00	0.25	0.25	0.25	43	0.25	0.25	0.25	43
04:00	0.25	0.25	0.25	43	0.25	0.25	0.25	43
05:00	0.84	0.84	0.84	43.59	0.84	0.84	0.84	43.59
06:00	2.54	2.54	1.19	60.86	1.19	1.19	1.19	60.86
07:00	3.89	3.89	0.5	65	3.89	3.89	0.5	65
08:00	3.49	3.49	0.5	65	3.49	3.49	0.5	65
09:00	7	7	0.5	43	7	7	0.5	43
10:00	10	10	0.84	43.34	7.34	7.34	0.84	43.34
11:00	10	10	0.5	43	7	7	0.5	43
12:00	10	10	0.5	43	7	7	0.5	43
13:00	12.54	10	0.5	43	7	4.46	0.5	43
14:00	10.02	10	0.5	43	7	6.98	0.5	43
15:00	15.38	10	0.5	43	7	1.62	0.5	43
16:00	16.5	10	0.5	43	7	0.5	0.5	43
17:00	14.64	10	2	44.5	8.5	3.86	2	44.5
18:00	9	9	0.5	43	7	7	0.5	43
19:00	7	7	0.5	43	7	7	0.5	43
20:00	10	10	2	44.5	8.5	8.5	2	44.5
21:00	7	7	0.5	43	7	7	0.5	43
22:00	1.54	1.54	0.5	43	1.54	1.54	0.5	43
23:00	0.25	0.25	0.25	43	0.25	0.25	0.25	43