P-5

Ancillary Services Prices, Day Ahead Market

05/13/2009

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)
00:000.840.840.25320.250.250.2532
01:003.323.320.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.323.320.25320.250.250.2532
06:003.323.320.2536.080.250.250.2536.08
07:004.353.370.5414.353.370.541
08:006.453.370.5496.453.370.549
09:0073.370.53273.370.532
10:0073.360.53273.360.532
11:0073.360.53273.360.532
12:0073.360.53273.360.532
13:0073.360.53273.360.532
14:0073.360.53273.360.532
15:0073.360.53273.360.532
16:0073.350.53273.350.532
17:006.683.350.5326.683.350.532
18:0053.360.53253.360.532
19:004.733.360.5324.733.360.532
20:0073.350.53273.350.532
21:003.363.360.5323.363.360.532
22:003.333.330.5323.333.330.532
23:000.250.250.25320.250.250.2532