P-5

Ancillary Service Prices, Day Ahead Market

08/23/2004

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
01:000.170.170.17200.170.170.1720
02:000.170.170.17200.170.170.1720
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.170.170.17200.170.170.1720
06:000.20.20.2200.20.20.220
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
18:000.150.150.15140.150.150.1514
19:000.150.150.15140.150.150.1514
20:000.150.150.15140.150.150.1514
21:000.150.150.15140.150.150.1514
22:000.990.150.15140.990.150.1514
23:000.250.250.25200.250.250.2520