P-5

Ancillary Services Prices, Day Ahead Market

05/18/2005

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)
00:0010.750200.250020
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.940.840.15200.250.150.1520
05:000.840.840.25200.250.250.2520
06:000.840.840.25750.250.250.2575
07:0070.250.253170.250.2531
08:0070.250.252070.250.2520
09:0070.250.252070.250.2520
10:0070.250.251470.250.2514
11:007.240.250.011470.010.0114
12:0070.250.251470.250.2514
13:0070.250.251470.250.2514
14:0070.250.251470.250.2514
15:0070.250.251470.250.2514
16:0070.250.251470.250.2514
17:007.190.250.061470.060.0614
18:0070.250.251470.250.2514
19:0070.250.251470.250.2514
20:0070.250.2516.5670.250.2516.56
21:0070.250.251470.250.2514
22:0070.250.251470.250.2514
23:000.840.840.25200.250.250.2520