P-5

Ancillary Services Prices, Day Ahead Market

12/13/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:000.250.250.25500.250.250.2550
07:006.950.840.5111.796.950.840.5111.79
08:006.950.50.5113.786.950.50.5113.78
09:006.953.040.51006.953.040.5100
10:006.953.030.51006.953.030.5100
11:006.953.030.5906.953.030.590
12:006.953.030.5756.953.030.575
13:006.953.030.5756.953.030.575
14:0073.030.57573.030.575
15:0073.040.57573.040.575
16:0073.010.58573.010.585
17:0010.93.53.598103.53.598
18:009.553.053.0597.559.553.053.0597.55
19:009.523.023.0287.529.523.023.0287.52
20:0073.010.58573.010.585
21:0073.040.57073.040.570
22:0070.50.55070.50.550
23:000.250.250.25500.250.250.2550