P-5

Ancillary Services Prices, Day Ahead Market

07/21/2009

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)
00:002.692.690.1280.250.250.128
01:00110.1280.250.250.128
02:000.20.20.1280.20.20.128
03:000.20.20.1280.20.20.128
04:000.20.20.1280.20.20.128
05:000.20.20.1280.20.20.128
06:00110.1280.250.250.128
07:003.893.890.142.833.893.890.142.83
08:0073.390.14473.390.144
09:0073.390.12873.390.128
10:0073.370.52873.370.528
11:0073.370.52873.370.528
12:0073.370.52873.370.528
13:005.523.370.5285.523.370.528
14:0073.360.52873.360.528
15:0073.350.52873.350.528
16:0073.330.52873.330.528
17:0073.340.52873.340.528
18:005.53.350285.53.35028
19:0053.350.172853.350.1728
20:0053.350.172853.350.1728
21:0073.390.52873.390.528
22:008.873.40.52871.530.528
23:003.993.990.25280.250.250.2528