P-5

Ancillary Services Prices, Day Ahead Market

06/05/2008

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
01:000.20.20.251.310.20.20.251.31
02:000.20.20.248.180.20.20.248.18
03:000.20.20.260.340.20.20.260.34
04:000.20.20.255.690.20.20.255.69
05:000.20.20.255.760.20.20.255.76
06:003.493.490.251000.250.250.25100
07:0010.694.190.56070.50.560
08:0010.694.190.56070.50.560
09:0010.894.390.580.8970.50.580.89
10:0011.094.590.56070.50.560
11:0012.64.590.56070.50.560
12:0014.024.590.56070.50.560
13:0012.764.590.56070.50.560
14:0014.794.590.56070.50.560
15:0012.054.590.56070.50.560
16:0015.614.290.56070.50.560
17:0016.424.590.56070.50.560
18:009.953.450.56070.50.560
19:0012.924.590.56070.50.560
20:0036.094.590.56070.50.560
21:0036.094.590.57070.50.570
22:0030.614.290.512570.50.5125
23:004.194.190.2560.540.250.250.2560.54