P-5

Ancillary Services Prices, Day Ahead Market

05/17/2005

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)
00:000.940.840.15200.250.150.1520
01:00110.25200.250.250.2520
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:00110.25200.250.250.2520
05:00220.25200.250.250.2520
06:000.840.840.25750.250.250.2575
07:0070.250.257570.250.2575
08:0070.250.257570.250.2575
09:0070.250.251470.250.2514
10:0070.250.251470.250.2514
11:0070.340.341470.340.3414
12:0070.340.341470.340.3414
13:0070.340.341470.340.3414
14:0070.340.341470.340.3414
15:0070.340.341470.340.3414
16:0070.330.331470.330.3314
17:0070.330.331470.330.3314
18:0070.250.251470.250.2514
19:0070.250.251470.250.2514
20:0070.250.2516.1170.250.2516.11
21:0070.250.251470.250.2514
22:0070.250.251470.250.2514
23:00220.25200.250.250.2520