P-5

Ancillary Services Prices, Day Ahead Market

01/29/2009

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)
00:001.541.540.25450.250.250.2545
01:001.351.350.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.333.330.25450.250.250.2545
06:002.692.690.25450.250.250.2545
07:0073.360.54573.360.545
08:0073.340.54573.340.545
09:0073.340.54573.340.545
10:0073.340.54573.340.545
11:0073.340.54573.340.545
12:0073.340.54573.340.545
13:0073.340.54573.340.545
14:0073.340.54573.340.545
15:0073.340.54573.340.545
16:0073.340.54573.340.545
17:0073.330.54573.330.545
18:009.843.343.0647.569.563.063.0647.56
19:008.53.34246.58.53.34246.5
20:009.843.341.8646.368.361.861.8646.36
21:0073.340.54573.340.545
22:005.833.340.5455.833.340.545
23:002.592.590.25450.250.250.2545