P-5

Ancillary Services Prices, Day Ahead Market

11/04/2008

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
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.2550.850.250.250.2550.85
06:003.343.340.2562.320.250.250.2562.32
07:003.343.340.567.53.343.340.567.5
08:007.713.340.579.9972.630.579.99
09:009.843.340.55070.50.550
10:009.833.330.55070.50.550
11:009.833.330.55070.50.550
12:0073.330.55073.330.550
13:0073.330.55073.330.550
14:0073.330.55073.330.550
15:0073.330.55073.330.550
16:009.843.340.55070.50.550
17:009.843.340.75607.250.750.7560
18:009.823.320.568.0770.50.568.07
19:009.823.320.7550.257.250.750.7550.25
20:0073.320.55073.320.550
21:0073.330.58073.330.580
22:0073.340.55073.340.550
23:003.333.330.3450.30.30.345