P-5

Ancillary Services Prices, Day Ahead Market

07/13/2009

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)
00:000.250.250.1280.250.250.128
01:000.470.470.1280.250.250.128
02:000.470.470.1280.250.250.128
03:000.470.470.1280.250.250.128
04:000.470.470.1280.250.250.128
05:000.470.470.1280.250.250.128
06:000.460.460.1280.250.250.128
07:00110.128110.128
08:000.740.740280.740.74028
09:0064.3602864.36028
10:0064.3502864.35028
11:0064.3502864.35028
12:006.54.350.1286.54.350.128
13:0074.350.52874.350.528
14:0074.350.52874.350.528
15:0074.340.52874.340.528
16:0074.320.52874.320.528
17:0074.320.52874.320.528
18:005.964.330.5285.964.330.528
19:005.294.330.18285.294.330.1828
20:006.494.330.5286.494.330.528
21:005.844.350.5285.844.350.528
22:0050.550.52850.550.528
23:000.50.50.25280.250.250.2528