P-5

Ancillary Services Prices, Day Ahead Market

04/22/2008

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)
00:00550.3450.30.30.345
01:003.83.80.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.83.80.3450.30.30.345
06:009.2450.32500.30.30.3250
07:0011.550.5108.7870.50.5108.78
08:0011.550.5121.8970.50.5121.89
09:0034.833.330.55070.50.550
10:0034.833.330.5650.067.060.560.5650.06
11:0034.833.330.55070.50.550
12:0034.843.343.3452.849.843.343.3452.84
13:0034.833.330.55070.50.550
14:0034.833.330.55070.50.550
15:0034.833.330.55070.50.550
16:0034.833.330.55070.50.550
17:0034.833.330.55070.50.550
18:0030.233.320.55070.50.550
19:0034.833.330.55070.50.550
20:0034.833.330.55070.50.550
21:0034.823.320.572.2870.50.572.28
22:0036.550.55070.50.550
23:003050.3450.30.30.345