P-5

Ancillary Service Prices, Day Ahead Market

08/13/2004

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)
00:000.20.20.2200.20.20.220
01:000.050.050.05200.050.050.0520
02:000.050.050.05200.050.050.0520
03:000.050.050.05200.050.050.0520
04:000.050.050.05200.050.050.0520
05:000.050.050.05200.050.050.0520
06:000.190.190.19200.190.190.1920
07:000.150.150.15140.150.150.1514
08:000.150.150.15140.150.150.1514
09:000.150.150.15140.150.150.1514
10:000.150.150.15140.150.150.1514
11:000.150.150.15140.150.150.1514
12:000.150.150.15140.150.150.1514
13:000.150.150.15140.150.150.1514
14:000.150.150.15140.150.150.1514
15:000.150.150.15140.150.150.1514
16:000.150.150.15140.150.150.1514
17:000.150.150.15140.150.150.1514
18:000.160.160.16140.160.160.1614
19:000.150.150.15140.150.150.1514
20:000.150.150.15140.150.150.1514
21:000.160.160.16140.160.160.1614
22:000.190.190.19140.190.190.1914
23:000.250.250.25200.250.250.2520