P-5

Ancillary Services Prices, Day Ahead Market

02/03/2009

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)
00:000.370.370.25450.250.250.2545
01:000.380.380.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.380.380.25450.250.250.2545
05:000.380.380.25450.250.250.2545
06:000.380.380.25450.250.250.2545
07:0070.50.54570.50.545
08:0070.410.414570.410.4145
09:009.472.970.54570.50.545
10:009.472.97246.58.52246.5
11:009.472.970.54570.50.545
12:009.472.970.54570.50.545
13:009.462.960.54570.50.545
14:009.462.960.54570.50.545
15:009.452.950.54570.50.545
16:0014.342.970.54570.50.545
17:009.452.952.9547.459.452.952.9547.45
18:009.482.982.9847.489.482.982.9847.48
19:0016.662.970.8445.347.340.840.8445.34
20:0022.762.970.8445.347.340.840.8445.34
21:0010.512.972.5447.049.042.542.5447.04
22:0070.50.54570.50.545
23:000.40.40.3450.30.30.345