P-5

Ancillary Services Prices, Day Ahead Market

11/30/2009

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)
00:003.333.330.25280.250.250.2528
01:000.20.20.2280.20.20.228
02:000.20.20.2280.20.20.228
03:000.20.20.2280.20.20.228
04:000.20.20.2280.20.20.228
05:003.343.340.25280.250.250.2528
06:003.363.362.9937.423.363.362.9937.42
07:003.343.340.536.53.343.340.536.5
08:0053.350.54553.350.545
09:006.363.350.5436.363.350.543
10:008.143.330.54372.190.543
11:008.043.330.52872.290.528
12:0053.330.52853.330.528
13:0053.330.52853.330.528
14:0053.330.52853.330.528
15:004.43.330.5284.43.330.528
16:006.973.320.9331.726.973.320.9331.72
17:007.483.320.9830.537.483.320.9830.53
18:006.953.320.9833.656.953.320.9833.65
19:009.643.320.9828.487.481.160.9828.48
20:005.13.320.5285.13.320.528
21:004.143.330.5284.143.330.528
22:003.333.330.5283.333.330.528
23:000.250.250.25280.250.250.2528