P-5

Ancillary Services Prices, Day Ahead Market

07/29/2007

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)
00:000.20.20.1450.20.20.145
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.20.20.1450.20.20.145
06:000.20.20.1450.20.20.145
07:000.20.20.1450.20.20.145
08:000.180.180.1450.180.180.145
09:003.043.040.1453.043.040.145
10:003.053.050.1453.053.050.145
11:004.193.070.5454.193.070.545
12:0073.070.55073.070.550
13:0073.070.55073.070.550
14:009.563.060.55070.50.550
15:009.563.060.55070.50.550
16:009.553.050.54570.50.545
17:009.553.050.54570.50.545
18:0073.040.54573.040.545
19:0073.040.54573.040.545
20:0073.040.54573.040.545
21:0073.070.54573.070.545
22:0073.090.54573.090.545
23:002.692.690.25450.250.250.2545