P-5

Ancillary Service Prices, Day Ahead Market

12/10/2003

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)
00:000.120.120.12390.120.120.1239
01:000.10.10.1390.10.10.139
02:000.10.10.1390.10.10.139
03:000.10.10.1390.10.10.139
04:000.10.10.1390.10.10.139
05:000.840.840.15560.150.150.1556
06:00310.15201.990.150.1520
07:001.750.150.15171.750.150.1517
08:001.750.150.15171.750.150.1517
09:001.750.20.2171.750.20.217
10:001.750.150.15111.750.150.1511
11:001.750.150.15111.750.150.1511
12:001.750.150.15111.750.150.1511
13:001.750.150.15111.750.150.1511
14:000.150.150.15110.150.150.1511
15:000.150.150.15110.150.150.1511
16:001.750.20.2111.750.20.211
17:003.251.251.25173.251.251.2517
18:003.251.051.05173.251.051.0517
19:001.990.990.99111.990.990.9911
20:000.20.20.2110.20.20.211
21:003.250.50.5203.250.50.520
22:001.750.150.15201.750.150.1520
23:0030.50.52030.50.520