P-5

Ancillary Services Prices, Day Ahead Market

02/19/2008

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)
00:003.993.993.9987.473.993.993.9987.47
01:003.993.993.9990.513.993.993.9990.51
02:003.993.993.9992.463.993.993.9992.46
03:003.993.993.9992.463.993.993.9992.46
04:003.993.993.9989.433.993.993.9989.43
05:0040.594.594154.684044154.68
06:005.5353.768.084.233.73.768.08
07:0011.553.527510.023.523.5275
08:0013.453.548011.943.543.5480
09:0032.8653.525510.023.523.5255
10:0036.553.525510.023.523.5255
11:0036.553.5253.0210.023.523.5253.02
12:0036.55352.59.53352.5
13:0033.255352.59.53352.5
14:0031.845352.59.53352.5
15:0029.945352.59.53352.5
16:0029.6553.528510.023.523.5285
17:0024.0953859.53385
18:0036.553859.53385
19:0029.465352.59.53352.5
20:0026.335352.59.53352.5
21:0015.4650.55070.50.550
22:0031.353.773303.73.773
23:005.4153.5548.713.963.553.5548.71