P-5

Ancillary Services Prices, Day Ahead Market

07/15/2009

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
01:002.542.540.1280.250.250.128
02:002.542.540.1280.250.250.128
03:002.542.540.1280.250.250.128
04:002.592.590.1280.250.250.128
05:002.592.590.1280.250.250.128
06:002.542.540.1280.250.250.128
07:003.413.410.1283.413.410.128
08:003.363.360.1283.363.360.128
09:0064.360.12864.360.128
10:0064.340.12864.340.128
11:005.334.340.1285.334.340.128
12:005.54.340.5285.54.340.528
13:0074.340.52874.340.528
14:0074.340.52874.340.528
15:008.544.330.52872.790.528
16:009.684.290.52871.610.528
17:0074.290.52874.290.528
18:005.54.330.5285.54.330.528
19:005.54.330.5285.54.330.528
20:005.54.330.5285.54.330.528
21:006.54.340.5286.54.340.528
22:0053.390.52853.390.528
23:003.343.340.25280.250.250.2528