P-5

Ancillary Services Prices, Day Ahead Market

12/15/2007

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)
00:008.533.790.3450.30.30.345
01:000.30.30.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.30.30.3450.30.30.345
06:0033377.733377.7
07:007.340.840.530070.50.5300
08:0021.813.0933009.533300
09:0034.934.0433009.533300
10:0035.544.0433009.533300
11:0024.744.033147.869.533147.86
12:0022.184.030.510070.50.5100
13:00174.030.510070.50.5100
14:0010.534.030.510070.50.5100
15:0018.144.030.510170.50.5101
16:0024.854.024103.510.544103.5
17:0033.164.024105.2212.2244105.22
18:0030.444.024103.510.544103.5
19:0029.974.024103.510.544103.5
20:0045.274.054138.2220.2244138.22
21:0024.54.033.482.99.93.43.482.9
22:0015.83.090.57070.50.570
23:006.553.490.3700.30.30.370