P-5

Ancillary Services Prices, Day Ahead Market

07/15/2007

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)
00:000.20.20.1450.20.20.145
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.20.20.1450.20.20.145
06:000.20.20.1450.20.20.145
07:000.190.190.146.630.190.190.146.63
08:000.180.180.1450.180.180.145
09:003.053.050.1453.053.050.145
10:0073.050.14573.050.145
11:0073.050.14573.050.145
12:0073.050.55073.050.550
13:009.553.050.55570.50.555
14:009.553.050.55570.50.555
15:009.563.060.55570.50.555
16:009.543.040.55570.50.555
17:009.543.040.55570.50.555
18:006.953.030.5506.953.030.550
19:0073.030.55073.030.550
20:006.953.030.5506.953.030.550
21:0073.050.54573.050.545
22:0072.540.54572.540.545
23:003.153.090.19450.250.190.1945