P-5

Ancillary Service Prices, Day Ahead Market

12/15/2004

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)
00:001.990.990.99201.990.990.9920
01:000.990.990.99200.990.990.9920
02:000.450.450.45200.450.450.4520
03:000.450.450.45200.450.450.4520
04:000.450.450.45200.450.450.4520
05:00220.99501.990.990.9950
06:0060.990.995560.990.9955
07:00120.370.3735120.370.3735
08:00120.360.3614120.360.3614
09:0060.360.361460.360.3614
10:0060.330.331460.330.3314
11:0060.330.331460.330.3314
12:0060.330.331460.330.3314
13:0060.330.331460.330.3314
14:0060.330.331460.330.3314
15:00120.330.3314120.330.3314
16:00120.320.3214120.320.3214
17:00120.390.3935120.390.3935
18:00120.390.3916120.390.3916
19:00120.390.3914120.390.3914
20:0060.390.391460.390.3914
21:0060.330.331460.330.3314
22:0060.370.371460.370.3714
23:001.750.990.99201.750.990.9920