P-5

Ancillary Services Prices, Day Ahead Market

12/28/2005

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
05:00330.2114.380.250.250.2114.38
06:003.143.090.294.950.250.20.294.95
07:007.060.250.198870.190.1988
08:007.060.250.198870.190.1988
09:009.530.98887.480.980.9888
10:009.530.58870.50.588
11:009.530.52870.50.528
12:009.530.52870.50.528
13:009.042.540.52870.50.528
14:008.742.240.52870.50.528
15:009.530.52870.50.528
16:007.490.990.9988.017.490.990.9988.01
17:0041.014.290.9983.9837.710.990.9983.98
18:0031.614.290.9977.1328.310.990.9977.13
19:0019.325.880.9958.0814.440.990.9958.08
20:0010.690.990.9970.610.690.990.9970.6
21:009.530.589.4370.50.589.43
22:0070.250.2578.1570.250.2578.15
23:000.250.250.2430.250.250.243