P-5

Ancillary Services Prices, Day Ahead Market

05/21/2009

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)
00:000.840.840.2320.250.250.232
01:002.592.590.2320.250.250.232
02:002.592.590.2320.250.250.232
03:002.592.590.2320.250.250.232
04:002.592.590.2320.250.250.232
05:002.592.590.2320.250.250.232
06:002.642.640.25320.250.250.2532
07:003.413.410.5323.413.410.532
08:003.43.40.5323.43.40.532
09:006.953.460.5326.953.460.532
10:006.953.460.5326.953.460.532
11:006.953.460.5326.953.460.532
12:006.53.460.5326.53.460.532
13:0073.460.53273.460.532
14:007.163.450.53273.290.532
15:009.963.460.9832.487.480.980.9832.48
16:008.093.460.9832.487.482.850.9832.48
17:007.563.380.9832.487.483.30.9832.48
18:006.53.380.5326.53.380.532
19:006.53.380.5326.53.380.532
20:0073.380.53273.380.532
21:007.443.380.9432.447.443.380.9432.44
22:0073.410.53273.410.532
23:003.353.350.25320.250.250.2532