P-5

Ancillary Services Prices, Day Ahead Market

12/22/2005

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)
00:003.0530.2430.250.20.243
01:000.250.250.2430.250.250.243
02:000.250.250.2430.250.250.243
03:000.250.250.2430.250.250.243
04:000.250.250.2430.250.250.243
05:003.143.090.21000.250.20.2100
06:003.143.090.278.410.250.20.278.41
07:0070.250.257570.250.2575
08:0070.250.257570.250.2575
09:009.530.75497.250.750.7549
10:008.892.390.54970.50.549
11:008.892.390.52870.50.528
12:008.892.390.52870.50.528
13:008.892.390.52870.50.528
14:008.892.390.52870.50.528
15:008.892.390.52870.50.528
16:0070.50.57570.50.575
17:0030.690.990.9971.1130.690.990.9971.11
18:0033.30.990.997533.30.990.9975
19:0024.180.990.9962.8924.180.990.9962.89
20:0020.390.980.9876.8820.390.980.9876.88
21:0070.50.572.9770.50.572.97
22:0070.250.254970.250.2549
23:003.0530.2430.250.20.243