P-5

Ancillary Services Prices, Day Ahead Market

02/13/2009

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
01:003.43.40.25450.250.250.2545
02:003.43.40.25450.250.250.2545
03:003.383.380.25450.250.250.2545
04:003.383.380.25450.250.250.2545
05:003.733.730.25450.250.250.2545
06:003.373.370.25450.250.250.2545
07:0011.094.590.54570.50.545
08:009.883.382.8547.359.352.852.8547.35
09:009.953.45347.59.53347.5
10:009.873.370.5645.067.060.560.5645.06
11:009.883.380.54570.50.545
12:009.883.380.54570.50.545
13:009.883.380.54570.50.545
14:009.883.380.54570.50.545
15:009.873.370.54570.50.545
16:009.873.370.54570.50.545
17:0013.294451.2913.294451.29
18:009.873.373.3747.879.873.373.3747.87
19:009.883.383.3847.889.883.383.3847.88
20:00203.53.548103.53.548
21:0011.623.45246.58.52246.5
22:009.863.360.54570.50.545
23:003.43.40.3450.30.30.345