P-5

Ancillary Services Prices, Day Ahead Market

01/20/2009

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)
00:000.840.840.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:002.642.640.3450.30.30.345
06:003.373.370.3450.30.30.345
07:0073.390.54573.390.545
08:0073.370.54573.370.545
09:0073.360.54573.360.545
10:0073.360.54573.360.545
11:0073.360.54573.360.545
12:004.653.360.5454.653.360.545
13:004.633.360.5454.633.360.545
14:004.813.360.5454.813.360.545
15:004.963.360.5454.963.360.545
16:009.853.350.54570.50.545
17:009.873.373.3747.879.873.373.3747.87
18:008.53.33246.58.53.33246.5
19:0014.273.380.54570.50.545
20:009.883.380.54570.50.545
21:006.423.360.5456.423.360.545
22:003.363.360.5453.363.360.545
23:002.692.690.3450.30.30.345