P-5

Ancillary Service Prices, Day Ahead Market

12/08/2003

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)
00:000.160.160.16200.160.160.1620
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.270.270.27200.270.270.2720
06:001.751.750.4200.40.40.420
07:001.750.20.2171.750.20.217
08:001.750.150.15171.750.150.1517
09:001.990.160.16171.990.160.1617
10:003.250.150.15113.250.150.1511
11:001.990.150.15111.990.150.1511
12:001.750.150.15111.750.150.1511
13:000.150.150.15110.150.150.1511
14:000.150.150.15110.150.150.1511
15:000.150.150.15110.150.150.1511
16:001.750.20.2111.750.20.211
17:00101.261.2617101.261.2617
18:003.250.990.99173.250.990.9917
19:001.990.990.99201.990.990.9920
20:001.750.50.5111.750.50.511
21:003.250.670.67203.250.670.6720
22:003.250.160.16203.250.160.1620
23:003.252.41.25201.991.251.2520