P-5

Ancillary Services Prices, Day Ahead Market

07/26/2009

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)
00:003.493.490.1280.250.250.128
01:003.393.390.1280.250.250.128
02:000.250.250.1280.250.250.128
03:000.20.20.1280.20.20.128
04:000.20.20.1280.20.20.128
05:000.20.20.1280.20.20.128
06:000.250.250.1280.250.250.128
07:003.333.330.1283.333.330.128
08:003.323.320.1283.323.320.128
09:003.893.890.1283.893.890.128
10:005.243.890.1285.243.890.128
11:0073.890.52873.890.528
12:009.593.890.52871.30.528
13:0010.994.490.52870.50.528
14:0011.094.590.52870.50.528
15:0011.094.590.52870.50.528
16:0010.84.30.52870.50.528
17:009.853.350.52870.50.528
18:009.853.350.52870.50.528
19:008.033.350.52872.320.528
20:005.53.470.5285.53.470.528
21:005.333.890.5285.333.890.528
22:0073.40.52873.40.528
23:003.423.420.25280.250.250.2528