P-5

Ancillary Services Prices, Day Ahead Market

05/22/2007

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)
00:000.20.20.18450.20.20.1845
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
06:000.20.20.1858.740.20.20.1858.74
07:004.44.40.18504.44.40.1850
08:0074.60.185074.60.1850
09:0074.60.185074.60.1850
10:009.543.040.55070.50.550
11:009.543.040.55070.50.550
12:0073.040.55073.040.550
13:0073.040.55073.040.550
14:0073.040.55073.040.550
15:0073.040.55073.040.550
16:0073.030.55073.030.550
17:0073.030.55073.030.550
18:0073.030.185073.030.1850
19:0073.030.185073.030.1850
20:007.623.030.55072.410.550
21:0073.040.54773.040.547
22:002.892.890.5472.892.890.547
23:000.250.250.25470.250.250.2547