P-5

Ancillary Services Prices, Day Ahead Market

12/27/2007

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)
00:000.20.20.249.890.20.20.249.89
01:000.20.20.254.870.20.20.254.87
02:000.20.20.255.920.20.20.255.92
03:000.20.20.255.970.20.20.255.97
04:000.20.20.256.020.20.20.256.02
05:000.20.20.267.110.20.20.267.11
06:000.250.250.2577.150.250.250.2577.15
07:0070.50.57070.50.570
08:0070.50.510070.50.5100
09:007.943.240.57072.30.570
10:0073.240.57073.240.570
11:0073.240.57073.240.570
12:007.573.240.57072.670.570
13:009.743.240.57070.50.570
14:0073.240.57073.240.570
15:0073.240.57073.240.570
16:0011.793.260.58570.50.585
17:0018.893.250.59570.50.595
18:0014.723.250.59570.50.595
19:00103.250.58570.50.585
20:009.743.240.58570.50.585
21:009.743.240.57070.50.570
22:0070.50.510070.50.5100
23:000.250.250.25500.250.250.2550