P-5

Ancillary Services Prices, Day Ahead Market

07/28/2007

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
05:000.190.190.1450.190.190.145
06:000.170.170.1450.170.170.145
07:000.150.150.148.410.150.150.148.41
08:000.140.140.1450.140.140.145
09:003.073.070.1453.073.070.145
10:0073.070.174573.070.1745
11:0073.070.54573.070.545
12:009.583.080.55070.50.550
13:009.023.030.55071.010.550
14:009.533.030.55070.50.550
15:009.533.030.55070.50.550
16:00103.060.54570.50.545
17:009.93.060.54570.50.545
18:0073.040.54573.040.545
19:0073.040.54573.040.545
20:0073.040.54573.040.545
21:0073.070.54573.070.545
22:0073.090.54573.090.545
23:003.093.090.25450.250.250.2545