P-5

Ancillary Services Prices, Day Ahead Market

05/14/2005

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)
00:000.840.840.25200.250.250.2520
01:000.250.250.25200.250.250.2520
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.250.250.25200.250.250.2520
06:00220.25129.720.250.250.25129.72
07:0070.250.25118.0570.250.25118.05
08:0070.250.2598.6770.250.2598.67
09:0070.250.252070.250.2520
10:0070.250.2516.7670.250.2516.76
11:0070.250.251470.250.2514
12:0070.250.251470.250.2514
13:0070.250.251470.250.2514
14:0070.250.251470.250.2514
15:0070.250.251470.250.2514
16:007.070.250.1818.5670.180.1818.56
17:007.230.250.0220.5770.020.0220.57
18:007.240.250.0120.2470.010.0120.24
19:007.150.250.12070.10.120
20:0070.250.252070.250.2520
21:007.060.250.1920.0670.190.1920.06
22:0070.250.2514.9970.250.2514.99
23:00220.25200.250.250.2520