P-5

Ancillary Services Prices, Day Ahead Market

02/01/2008

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)
00:002.542.542.5447.292.542.542.5447.29
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.2545.20.250.250.2545.2
05:003.093.093.0947.843.093.093.0947.84
06:0012.693.553.55555.253.553.5555
07:0016.343.563.56104.5416.343.563.56104.54
08:0020.113.493.498520.113.493.4985
09:0027.683.493.497627.683.493.4976
10:0029.673.43.477.8729.673.43.477.87
11:0028.143.43.471.1428.143.43.471.14
12:0029.553.43.472.5529.553.43.472.55
13:0021.313.43.464.3121.313.43.464.31
14:0018.823.43.461.8218.823.43.461.82
15:0021.963.343.3464.9621.963.343.3464.96
16:00183.343.3485183.343.3485
17:0073.210.58573.210.585
18:0073.210.58573.210.585
19:0073.210.55073.210.550
20:009.093.210.55071.120.550
21:0024.413.553.5571.8924.413.553.5571.89
22:0016.683.493.4959.6816.683.493.4959.68
23:003.493.493.4948.243.493.493.4948.24