P-5

Ancillary Services Prices, Day Ahead Market

02/19/2009

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
01:003.373.370.25450.250.250.2545
02:003.373.370.25450.250.250.2545
03:003.373.370.25450.250.250.2545
04:003.373.370.25450.250.250.2545
05:003.373.370.25450.250.250.2545
06:003.363.360.2556.270.250.250.2556.27
07:0073.410.56573.410.565
08:009.53.383659.53.38365
09:009.963.46347.59.53347.5
10:009.093.372.5947.099.093.372.5947.09
11:0010.083.583.5848.0810.083.583.5848.08
12:009.883.383.3847.889.883.383.3847.88
13:009.53.37347.59.53.37347.5
14:009.53.37347.59.53.37347.5
15:008.53.36246.58.53.36246.5
16:009.683.353.1880.919.683.353.1880.91
17:0011.013.63.649.0111.013.63.649.01
18:0020.43.63.658.420.43.63.658.4
19:0010.693.63.648.6910.693.63.648.69
20:009.883.383.3847.889.883.383.3847.88
21:00103.53.548103.53.548
22:0073.380.54573.380.545
23:003.373.370.3450.30.30.345