P-5

Ancillary Services Prices, Day Ahead Market

07/17/2009

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)
00:003.323.320280.250.25028
01:002.592.590280.250.25028
02:002.062.060280.250.25028
03:000.250.250280.250.25028
04:000.250.250280.250.25028
05:000.850.850280.250.25028
06:000.740.740280.250.25028
07:003.363.360283.363.36028
08:003.363.360.1283.363.360.128
09:003.893.890.17283.893.890.1728
10:0063.890.52863.890.528
11:006.953.390.5286.953.390.528
12:0073.390.52573.390.525
13:007.693.39229.57.693.39229.5
14:007.833.372.1829.686.642.182.1829.68
15:009.893.391.5429.048.041.541.5429.04
16:009.873.371.9629.468.461.961.9629.46
17:006.53.35229.56.53.35229.5
18:0053.350.52853.350.528
19:004.983.390.5284.983.390.528
20:003.353.350.1283.353.350.128
21:003.463.460.1283.463.460.128
22:004.243.390284.243.39028
23:003.333.330280.250.25028