P-5

Ancillary Services Prices, Day Ahead Market

12/12/2008

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
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
06:002.332.330.2553.270.250.250.2553.27
07:0072.390.56572.390.565
08:0072.370.566.8372.370.566.83
09:0073.360.54573.360.545
10:0073.360.54573.360.545
11:0073.360.54573.360.545
12:0073.360.54573.360.545
13:005.193.360.5455.193.360.545
14:0073.360.54573.360.545
15:003.543.350.5453.543.350.545
16:0073.350.54573.350.545
17:007.623.351.1245.627.623.351.1245.62
18:006.953.350.9945.496.953.350.9945.49
19:006.953.350.5456.953.350.545
20:00103.381.2345.857.851.231.2345.85
21:008.013.351.1245.627.622.961.1245.62
22:0072.370.54572.370.545
23:002.382.380.3450.30.30.345