P-5

Ancillary Services Prices, Day Ahead Market

05/12/2009

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)
00:00110.25320.250.250.2532
01:002.642.640.25320.250.250.2532
02:002.642.640.25320.250.250.2532
03:002.642.640.25320.250.250.2532
04:002.642.640.25320.250.250.2532
05:002.642.640.25320.250.250.2532
06:002.592.590.2535.160.250.250.2535.16
07:0073.420.538.573.420.538.5
08:0073.420.54673.420.546
09:0073.470.53273.470.532
10:0073.380.53273.380.532
11:0073.380.53273.380.532
12:0073.380.53273.380.532
13:0073.380.53273.380.532
14:0073.380.53273.380.532
15:0073.380.53273.380.532
16:007.323.370.8232.327.323.370.8232.32
17:007.323.370.8232.327.323.370.8232.32
18:0053.360.53253.360.532
19:006.193.360.5326.193.360.532
20:0073.360.53273.360.532
21:006.53.380.5326.53.380.532
22:003.363.360.5323.363.360.532
23:000.840.840.25320.250.250.2532