P-5

Ancillary Services Prices, Day Ahead Market

07/24/2009

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)
00:00110280.250.25028
01:000.570.570280.250.25028
02:000.250.250280.250.25028
03:000.20.20280.20.2028
04:000.20.20280.20.2028
05:000.250.250280.250.25028
06:000.250.250280.250.25028
07:003.393.390.1283.393.390.128
08:003.43.40.1283.43.40.128
09:0063.470.12863.470.128
10:0063.370.12863.370.128
11:006.953.350.1286.953.350.128
12:006.953.350.5286.953.350.528
13:006.953.340.5286.953.340.528
14:0073.340.52873.340.528
15:0073.340.52873.340.528
16:0073.320.52873.320.528
17:006.983.320.5286.983.320.528
18:008.543.320.182871.780.1828
19:005.623.350.5285.623.350.528
20:005.513.350.5285.513.350.528
21:0073.370.52873.370.528
22:0073.40.52873.40.528
23:003.413.410.25280.250.250.2528