P-5

Ancillary Services Prices, Day Ahead Market

12/11/2008

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)
00:000.840.840.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.840.840.25450.250.250.2545
06:002.322.320.25450.250.250.2545
07:0072.370.54572.370.545
08:007.492.350.9945.497.492.350.9945.49
09:007.622.351.1245.627.622.351.1245.62
10:008.852.351.1245.627.621.121.1245.62
11:008.862.360.9945.497.490.990.9945.49
12:007.492.340.9945.497.492.340.9945.49
13:0072.340.54572.340.545
14:0072.340.54572.340.545
15:0072.340.54572.340.545
16:008.832.331.1245.627.621.121.1245.62
17:008.852.352.3546.858.852.352.3546.85
18:008.862.362.3646.868.862.362.3646.86
19:008.832.332.3346.838.832.332.3346.83
20:0092.362.364792.362.3647
21:008.212.361.7146.218.212.361.7146.21
22:0072.370.54572.370.545
23:002.372.370.3450.30.30.345