P-5

Ancillary Services Prices, Day Ahead Market

12/12/2005

Time StampEastWest
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)
00:000.250.250.299.770.250.250.299.77
01:000.250.250.250.140.250.250.250.14
02:000.250.250.252.830.250.250.252.83
03:000.250.250.251.460.250.250.251.46
04:000.250.250.2500.250.250.250
05:000.250.250.294.840.250.250.294.84
06:008.488.480.25950.250.250.2595
07:009.593.090.598.8270.50.598.82
08:0015.850.980.987515.850.980.9875
09:00300.980.9874.58300.980.9874.58
10:00300.980.9875300.980.9875
11:0017.930.980.985017.930.980.9850
12:0014.940.980.985014.940.980.9850
13:008.992.490.9828.487.480.980.9828.48
14:008.742.240.52870.50.528
15:007.480.980.9834.137.480.980.9834.13
16:0023.10.980.985023.10.980.9850
17:00503.490.9975503.490.9975
18:00453.490.9975453.490.9975
19:00303.490.9955.84303.490.9955.84
20:0029.843.890.9855.7826.930.980.9855.78
21:0020.124.990.9858.3616.110.980.9858.36
22:009.530.548.1370.50.548.13
23:006.76.650.2430.250.20.243