P-5

Ancillary Services Prices, Day Ahead Market

02/23/2009

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)
00:003.363.360.25450.250.250.2545
01:003.363.360.25450.250.250.2545
02:003.363.360.25450.250.250.2545
03:003.363.360.25450.250.250.2545
04:003.363.360.25450.250.250.2545
05:003.383.380.25450.250.250.2545
06:003.383.380.2562.410.250.250.2562.41
07:0010.894.390.56570.50.565
08:0010.794.290.56570.50.565
09:009.963.460.58070.50.580
10:009.883.380.58070.50.580
11:009.863.360.54570.50.545
12:009.833.330.54570.50.545
13:0073.330.54573.330.545
14:0073.330.54573.330.545
15:0073.330.54573.330.545
16:0073.330.587.4273.330.587.42
17:009.863.360.58070.50.580
18:0073.330.552.8473.330.552.84
19:009.873.370.549.4470.50.549.44
20:009.873.370.552.4670.50.552.46
21:009.743.370.54570.630.545
22:0073.380.54573.380.545
23:003.333.330.25450.250.250.2545