P-5

Ancillary Services Prices, Day Ahead Market

02/16/2009

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)
00:003.373.370.25450.250.250.2545
01:003.383.380.25450.250.250.2545
02:003.383.380.25450.250.250.2545
03:003.383.380.25450.250.250.2545
04:003.383.380.25450.250.250.2545
05:003.383.380.25450.250.250.2545
06:003.383.380.25450.250.250.2545
07:009.913.410.54570.50.545
08:009.883.380.54570.50.545
09:009.883.380.54570.50.545
10:009.873.370.54570.50.545
11:009.873.370.54570.50.545
12:009.873.370.54570.50.545
13:009.873.370.54570.50.545
14:009.873.370.54570.50.545
15:009.873.370.54570.50.545
16:009.863.360.54570.50.545
17:009.963.463.4647.969.963.463.4647.96
18:009.93.43.447.99.93.43.447.9
19:009.953.453.4547.959.953.453.4547.95
20:009.873.37246.58.52246.5
21:009.873.37246.58.52246.5
22:0015.94.290.54570.50.545
23:003.413.410.3450.30.30.345