P-5

Ancillary Services Prices, Day Ahead Market

07/21/2007

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)
00:000.250.250.18450.250.250.1845
01:000.20.20.18450.20.20.1845
02:000.20.20.18450.20.20.1845
03:000.20.20.18450.20.20.1845
04:000.20.20.18450.20.20.1845
05:000.20.20.18450.20.20.1845
06:000.180.180.1859.240.180.180.1859.24
07:000.160.160.1650.410.160.160.1650.41
08:000.170.170.17450.170.170.1745
09:003.053.050.19453.053.050.1945
10:0073.040.194573.040.1945
11:0073.030.54573.030.545
12:0073.030.55073.030.550
13:0073.030.55073.030.550
14:0073.030.55073.030.550
15:0073.030.55073.030.550
16:0073.020.55073.020.550
17:0073.020.55073.020.550
18:0073.020.55073.020.550
19:0073.020.55073.020.550
20:0073.020.195073.020.1950
21:0073.040.194573.040.1945
22:0070.20.184570.20.1845
23:000.250.250.18450.250.250.1845