P-5

Ancillary Services Prices, Day Ahead Market

02/25/2009

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)
00:003.333.330.25450.250.250.2545
01:003.333.330.25450.250.250.2545
02:003.333.330.25450.250.250.2545
03:003.333.330.25450.250.250.2545
04:003.333.330.25450.250.250.2545
05:003.333.330.25450.250.250.2545
06:003.373.370.2560.310.250.250.2560.31
07:0010.894.390.54570.50.545
08:009.883.38350.379.53350.37
09:0011.094.59246.58.52246.5
10:009.883.382.3746.878.872.372.3746.87
11:009.883.38246.58.52246.5
12:0073.370.54573.370.545
13:0073.370.54573.370.545
14:0073.370.54573.370.545
15:0073.370.54573.370.545
16:0073.360.54573.360.545
17:009.883.383.3847.889.883.383.3847.88
18:009.993.493.4948.939.993.493.4948.93
19:009.963.463.4647.969.963.463.4647.96
20:0011.153.543.5449.1511.153.543.5449.15
21:009.883.383.3847.889.883.383.3847.88
22:0073.380.54573.380.545
23:003.373.370.3450.30.30.345