P-5

Ancillary Services Prices, Day Ahead Market

01/27/2009

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
05:002.642.640.25450.250.250.2545
06:002.642.640.25450.250.250.2545
07:007.383.370.54572.990.545
08:0073.340.54573.340.545
09:0073.450.54573.450.545
10:004.63.450.5454.63.450.545
11:004.773.450.5454.773.450.545
12:000.650.650.5450.650.650.545
13:000.50.50.5450.50.50.545
14:000.50.50.5450.50.50.545
15:000.50.50.5450.50.50.545
16:003.923.340.5453.923.340.545
17:0017.414.024.0255.4117.414.024.0255.41
18:0010.54448.510.54448.5
19:0010.54448.510.54448.5
20:0073.340.54573.340.545
21:003.373.370.5453.373.370.545
22:003.333.330.5453.333.330.545
23:000.840.840.25450.250.250.2545