P-5

Ancillary Services Prices, Day Ahead Market

05/13/2005

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)
00:000.250.250.25200.250.250.2520
01:000.250.250.25200.250.250.2520
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.250.250.25200.250.250.2520
05:002.642.640.25200.250.250.2520
06:00330.25750.250.250.2575
07:0070.250.2581.9170.250.2581.91
08:007.530.250.2586.0170.250.2586.01
09:0070.390.391470.390.3914
10:0070.360.361470.360.3614
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
16:0070.360.361470.360.3614
17:0070.250.251470.250.2514
18:0070.250.251470.250.2514
19:0070.250.2516.0470.250.2516.04
20:0070.250.251470.250.2514
21:0070.250.251470.250.2514
22:0070.250.251470.250.2514
23:00330.25200.250.250.2520