P-5

Ancillary Services Prices, Day Ahead Market

11/20/2007

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)
00:000.250.250.2563.30.250.250.2563.3
01:000.250.250.25700.250.250.2570
02:000.250.250.2572.220.250.250.2572.22
03:000.250.250.2571.560.250.250.2571.56
04:000.250.250.2571.550.250.250.2571.55
05:000.840.840.369.950.30.30.369.95
06:000.250.250.25600.250.250.2560
07:009.593.090.572.570.50.572.5
08:009.192.690.58070.50.580
09:009.593.090.56070.50.560
10:009.523.020.56070.50.560
11:009.523.020.55070.50.550
12:009.513.010.55070.50.550
13:009.523.020.55070.50.550
14:009.472.970.55070.50.550
15:009.472.970.55070.50.550
16:009.530.58070.50.580
17:0016.253.493.49809.993.493.4980
18:00143.43.4809.93.43.480
19:009.513.013.01809.513.013.0180
20:00103.093.0973.179.593.093.0973.17
21:009.472.970.58070.50.580
22:0070.50.581.0670.50.581.06
23:000.250.250.2547.80.250.250.2547.8