P-5

Ancillary Services Prices, Day Ahead Market

05/15/2005

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
02:000.250.250.25200.250.250.2520
03:000.250.250.25200.250.250.2520
04:000.250.250.25200.250.250.2520
05:000.250.250.25200.250.250.2520
06:002.532.530.25200.250.250.2520
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
17:0070.250.252070.250.2520
18:0070.250.252070.250.2520
19:0070.250.252070.250.2520
20:0070.250.252070.250.2520
21:0070.250.252070.250.2520
22:0070.250.251470.250.2514
23:00220.25200.250.250.2520