P-5

Ancillary Services Prices, Day Ahead Market

05/13/2008

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)
00:002.642.640.25450.250.250.2545
01:000.330.330.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:003.893.890.25450.250.250.2545
06:002.642.640.2594.360.250.250.2594.36
07:0072.690.510072.690.5100
08:007.340.840.841007.340.840.84100
09:007.343.450.8460.347.343.450.8460.34
10:0073.450.56073.450.560
11:007.343.450.8460.347.343.450.8460.34
12:0073.450.56073.450.560
13:0073.450.56073.450.560
14:0073.450.56073.450.560
15:0073.380.56073.380.560
16:0073.380.56073.380.560
17:0073.380.56073.380.560
18:0073.380.56073.380.560
19:007.093.380.56073.290.560
20:0073.350.56073.350.560
21:0073.380.56073.380.560
22:0070.50.55070.50.550
23:000.410.410.25450.250.250.2545