P-5

Ancillary Services Prices, Day Ahead Market

04/09/2008

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)
00:000.330.330.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.20.20.2450.20.20.245
04:000.250.250.25450.250.250.2545
05:000.340.340.3450.30.30.345
06:0024.812.590.3670.30.30.367
07:0033.453.63.683.510.13.63.683.5
08:0010.023.523.5210010.023.523.52100
09:0011.933.563.5654.9311.933.563.5654.93
10:0010.023.523.5253.0210.023.523.5253.02
11:00103.333.3352.839.833.333.3352.83
12:00103.240.55070.50.550
13:00103.240.55070.50.550
14:0034.823.320.55070.50.550
15:0034.813.310.8450.347.340.840.8450.34
16:0034.813.310.8450.347.340.840.8450.34
17:0033.543.230.8450.347.340.840.8450.34
18:0028.423.230.55070.50.550
19:00103.313.3152.819.813.313.3152.81
20:00123.493.4955123.493.4955
21:009.823.323.3252.829.823.323.3252.82
22:0010.080.50.55070.50.550
23:007.040.380.3450.30.30.345