P-5

Ancillary Services Prices, Day Ahead Market

07/10/2009

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)
00:000.250.250.25280.250.250.2528
01:002.642.640.25280.250.250.2528
02:002.642.640.25280.250.250.2528
03:002.642.640.25280.250.250.2528
04:002.642.640.25280.250.250.2528
05:002.642.640.25280.250.250.2528
06:00110.25280.250.250.2528
07:0053.890.53153.890.531
08:0063.410.52863.410.528
09:0074.790.52874.790.528
10:0074.790.52874.790.528
11:0074.790.52874.790.528
12:0074.790.52874.790.528
13:0074.790.52874.790.528
14:0011.825.320.52870.50.528
15:0011.825.32229.58.52229.5
16:0011.825.322.9930.499.492.992.9930.49
17:0011.294.793.1930.699.693.193.1930.69
18:006.984.790.9728.476.984.790.9728.47
19:006.54.790.5286.54.790.528
20:006.54.790.5286.54.790.528
21:0011.294.790.528.6670.50.528.66
22:009.913.410.52870.50.528
23:003.333.330.25280.250.250.2528