P-5

Ancillary Services Prices, Day Ahead Market

02/22/2009

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)
00:003.373.370.3450.30.30.345
01:003.383.380.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.383.380.3450.30.30.345
06:003.373.370.3450.30.30.345
07:0073.40.54573.40.545
08:009.883.383.3847.889.883.383.3847.88
09:009.883.383.3847.889.883.383.3847.88
10:009.883.383.3847.889.883.383.3847.88
11:009.873.373.3747.879.873.373.3747.87
12:009.873.373.3747.879.873.373.3747.87
13:009.873.373.3747.879.873.373.3747.87
14:009.383.362.8847.389.383.362.8847.38
15:008.643.362.1446.648.643.362.1446.64
16:008.53.09246.58.53.09246.5
17:009.873.370.54570.50.545
18:0027.283.380.54570.50.545
19:0020.463.380.54570.50.545
20:0014.493.380.54570.50.545
21:0010.893.543.5448.8910.893.543.5448.89
22:007.373.370.545730.545
23:003.383.380.3450.30.30.345