P-5

Ancillary Services Prices, Day Ahead Market

07/23/2007

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)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.254.390.20.20.254.39
06:000.20.20.252.080.20.20.252.08
07:000.50.50.550.30.50.50.550.3
08:0070.840.55070.840.550
09:0073.050.55573.050.555
10:0073.040.55573.040.555
11:0073.040.55573.040.555
12:007.313.063.0657.567.313.063.0657.56
13:00103.43.476.64103.43.476.64
14:00103.523.5275.42103.523.5275.42
15:0013.58447513.584475
16:0018.293.893.8997.9318.293.893.8997.93
17:0073.020.55573.020.555
18:0073.040.55573.040.555
19:009.553.050.55570.50.555
20:009.553.050.55570.50.555
21:0073.050.55573.050.555
22:0070.50.55070.50.550
23:000.250.250.25450.250.250.2545