P-5

Ancillary Service Prices, Day Ahead Market

02/22/2004

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)
00:001.11.10.2200.20.20.220
01:000.150.150.15200.150.150.1520
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:002.522.520.2200.20.20.220
06:002.522.520.2200.20.20.220
07:000.20.20.2110.20.20.211
08:000.20.20.2110.20.20.211
09:000.20.20.2110.20.20.211
10:001.990.20.2601.990.20.260
11:001.990.20.2601.990.20.260
12:000.20.20.2600.20.20.260
13:000.20.20.2600.20.20.260
14:000.20.20.2600.20.20.260
15:000.20.20.2600.20.20.260
16:000.160.160.16600.160.160.1660
17:003.250.150.15603.250.150.1560
18:00120.150.1560120.150.1560
19:00120.150.1560120.150.1560
20:00120.160.1660120.160.1660
21:003.250.20.2603.250.20.260
22:000.20.20.2600.20.20.260
23:000.20.20.2600.20.20.260