P-5

Ancillary Services Prices, Day Ahead Market

01/28/2009

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)
00:003.333.330.3450.30.30.345
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
05:003.353.350.3450.30.30.345
06:003.373.370.3450.30.30.345
07:009.873.370.54570.50.545
08:0073.340.54573.340.545
09:0073.340.54573.340.545
10:0073.330.54573.330.545
11:0073.330.54573.330.545
12:0073.330.54573.330.545
13:0073.330.54573.330.545
14:0073.330.54573.330.545
15:0073.330.54573.330.545
16:0073.330.54573.330.545
17:0073.330.547.4973.330.547.49
18:009.873.37249.298.52249.29
19:009.843.340.54570.50.545
20:0073.330.54573.330.545
21:0073.330.54573.330.545
22:004.953.350.5454.953.350.545
23:002.542.540.25450.250.250.2545