P-5

Ancillary Services Prices, Day Ahead Market

07/22/2009

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)
00:000.250.250.1280.250.250.128
01:00110.1280.250.250.128
02:000.640.640.1280.250.250.128
03:000.250.250.1280.250.250.128
04:000.250.250.1280.250.250.128
05:00110.1280.250.250.128
06:000.250.250.1280.250.250.128
07:003.393.390.1283.393.390.128
08:005.583.420.144.845.583.420.144.84
09:0063.470.12863.470.128
10:0073.450.12873.450.128
11:0073.450.12873.450.128
12:0073.390.52873.390.528
13:008.33.340.52872.040.528
14:009.843.340.52870.50.528
15:009.853.351.0828.587.581.081.0828.58
16:009.833.330.52870.50.528
17:009.823.320.52870.50.528
18:007.363.320.52872.960.528
19:005.183.350.5285.183.350.528
20:0073.350.182873.350.1828
21:005.493.450.1285.493.450.128
22:006.253.410.1286.253.410.128
23:003.363.360.1280.250.250.128