P-5

Ancillary Services Prices, Day Ahead Market

05/10/2008

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)
00:000.390.390.25450.250.250.2545
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
05:000.250.250.2551.870.250.250.2551.87
06:000.390.390.25118.460.250.250.25118.46
07:0035.393.890.5107.9670.50.5107.96
08:0034.593.090.512570.50.5125
09:0034.993.490.54070.50.540
10:009.813.310.54070.50.540
11:009.823.320.54070.50.540
12:009.813.310.54070.50.540
13:009.813.310.54070.50.540
14:009.813.310.54070.50.540
15:0034.833.330.54070.50.540
16:0034.833.330.54070.50.540
17:0034.833.330.54070.50.540
18:0034.833.330.54070.50.540
19:0034.833.330.54070.50.540
20:0034.833.330.54070.50.540
21:0034.833.330.54070.50.540
22:0034.993.490.55070.50.550
23:0029.294.290.25450.250.250.2545