P-5

Ancillary Services Prices, Day Ahead Market

12/25/2005

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
01:000.20.20.2430.20.20.243
02:000.20.20.2430.20.20.243
03:000.20.20.2430.20.20.243
04:000.20.20.2430.20.20.243
05:000.250.250.2430.250.250.243
06:003.0530.2430.250.20.243
07:0070.250.252870.250.2528
08:0070.250.252870.250.2528
09:009.192.690.52870.50.528
10:007.340.840.52870.50.528
11:007.340.840.52870.50.528
12:007.340.840.52870.50.528
13:007.340.840.52870.50.528
14:007.340.840.52870.50.528
15:007.340.840.52870.50.528
16:007.090.590.574.5470.50.574.54
17:0070.50.543.2370.50.543.23
18:0070.50.561.370.50.561.3
19:008.842.340.591.0570.50.591.05
20:008.842.340.594.0970.50.594.09
21:009.092.590.596.9970.50.596.99
22:0070.250.257570.250.2575
23:002.642.590.2430.250.20.243