P-5

Ancillary Service Prices, Day Ahead Market

07/11/2004

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)
00:000.190.190.19200.190.190.1920
01:000.20.20.2200.20.20.220
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:000.150.150.15200.150.150.1520
06:000.180.180.18200.180.180.1820
07:000.170.170.17120.170.170.1712
08:000.160.160.16120.160.160.1612
09:000.170.170.17120.170.170.1712
10:000.160.160.16120.160.160.1612
11:000.160.160.16120.160.160.1612
12:000.160.160.16120.160.160.1612
13:000.170.170.17120.170.170.1712
14:000.170.170.17120.170.170.1712
15:000.20.20.2120.20.20.212
16:000.20.20.2120.20.20.212
17:000.20.20.2120.20.20.212
18:000.20.20.2120.20.20.212
19:000.150.150.15120.150.150.1512
20:000.160.160.16120.160.160.1612
21:000.180.180.18120.180.180.1812
22:000.190.190.19120.190.190.1912
23:001.41.41.4201.41.41.420