P-5

Ancillary Services Prices, Day Ahead Market

07/11/2009

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
02:000.20.20.2280.20.20.228
03:000.20.20.2280.20.20.228
04:000.20.20.2280.20.20.228
05:002.642.640.25280.250.250.2528
06:000.250.250.2531.060.250.250.2531.06
07:003.353.350.539.133.353.350.539.13
08:003.353.350.542.33.353.350.542.3
09:0054.360.52854.360.528
10:006.144.350.5286.144.350.528
11:004.484.350.5284.484.350.528
12:004.344.340.1284.344.340.128
13:005.874.350.1285.874.350.128
14:006.54.350.45286.54.350.4528
15:005.824.350.18285.824.350.1828
16:006.54.330.5286.54.330.528
17:006.664.330.5286.664.330.528
18:004.334.330.1284.334.330.128
19:004.294.290.1284.294.290.128
20:004.294.290.1284.294.290.128
21:006.274.350.19286.274.350.1928
22:003.393.390.1283.393.390.128
23:003.333.330.1280.250.250.128