P-5

Ancillary Services Prices, Day Ahead Market

05/17/2007

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
05:000.20.20.2450.20.20.245
06:000.250.250.2557.850.250.250.2557.85
07:004.194.190.5554.194.190.555
08:005.92.640.5555.92.640.555
09:0073.060.55573.060.555
10:007.993.030.55072.040.550
11:009.553.050.54770.50.547
12:009.543.040.54770.50.547
13:009.543.040.54770.50.547
14:009.143.030.54770.890.547
15:009.193.020.54770.830.547
16:009.533.030.54770.50.547
17:009.533.030.54770.50.547
18:007.663.020.54772.360.547
19:0073.020.54773.020.547
20:009.123.021.3450.847.841.741.3450.84
21:0073.030.55073.030.550
22:002.492.490.5472.492.490.547
23:000.250.250.25470.250.250.2547