P-5

Ancillary Services Prices, Day Ahead Market

05/29/2005

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
04:000.20.20.2200.20.20.220
05:000.250.250.25200.250.250.2520
06:000.840.840.25200.250.250.2520
07:0070.250.251470.250.2514
08:0070.250.251470.250.2514
09:0070.250.251470.250.2514
10:0070.250.251470.250.2514
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
16:0070.250.251470.250.2514
17:0070.250.254070.250.2540
18:0070.250.254070.250.2540
19:0070.250.254070.250.2540
20:0070.180.1844.7470.180.1844.74
21:0070.250.2541.6470.250.2541.64
22:0070.250.251470.250.2514
23:000.840.840.25200.250.250.2520