P-5

Ancillary Services Prices, Day Ahead Market

12/30/2005

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)
00:003.0530.2430.250.20.243
01:000.250.250.2430.250.250.243
02:000.250.250.2430.250.250.243
03:000.250.250.2430.250.250.243
04:000.250.250.2430.250.250.243
05:003.643.590.2100.070.250.20.2100.07
06:00330.25122.330.250.250.25122.33
07:0070.50.599.1570.50.599.15
08:0070.250.258870.250.2588
09:009.530.7551.027.250.750.7551.02
10:007.340.840.551.6170.50.551.61
11:007.340.840.52870.50.528
12:0016.5100.52870.50.528
13:007.340.840.52870.50.528
14:007.340.840.52870.50.528
15:007.340.840.52870.50.528
16:008.942.440.562.3970.50.562.39
17:008.060.990.9946.268.060.990.9946.26
18:007.490.990.9942.527.490.990.9942.52
19:007.480.980.9837.057.480.980.9837.05
20:0070.50.546.1770.50.546.17
21:009.192.690.554.0970.50.554.09
22:009.192.690.597.5370.50.597.53
23:003.0530.2430.250.20.243