P-5

Ancillary Services Prices, Day Ahead Market

07/22/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.20.20.246.380.20.20.246.38
07:000.20.20.2450.20.20.245
08:000.50.50.5450.50.50.545
09:003.013.010.5453.013.010.545
10:006.693.050.5456.693.050.545
11:0073.050.54573.050.545
12:0073.050.55073.050.550
13:0073.050.55073.050.550
14:0073.050.55073.050.550
15:0073.050.55073.050.550
16:0083.030.55072.030.550
17:008.023.030.55072.010.550
18:009.273.040.55070.770.550
19:0073.040.55073.040.550
20:0073.040.55073.040.550
21:009.553.050.54570.50.545
22:0072.540.54572.540.545
23:000.840.840.25450.250.250.2545