P-5

Ancillary Services Prices, Day Ahead Market

04/18/2008

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)
00:000.410.410.25450.250.250.2545
01:000.350.350.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.840.840.25450.250.250.2545
06:006.983.090.2576.430.250.250.2576.43
07:0027.080.840.583.8170.50.583.81
08:0070.50.5101.6770.50.5101.67
09:0035.023.523.5253.0210.023.523.5253.02
10:009.743.243.2452.749.743.243.2452.74
11:009.813.313.3152.819.813.313.3152.81
12:009.743.243.2452.749.743.243.2452.74
13:009.743.243.2452.749.743.243.2452.74
14:009.743.243.2452.749.743.243.2452.74
15:0034.833.333.3352.839.833.333.3352.83
16:0034.843.343.3452.849.843.343.3452.84
17:0034.743.240.55070.50.550
18:0033.923.240.55070.50.550
19:0034.743.240.55070.50.550
20:009.743.243.2452.749.743.243.2452.74
21:0024.83.310.55570.50.555
22:0027.070.410.415570.410.4155
23:000.380.380.25450.250.250.2545