P-5

Ancillary Service Prices, Day Ahead Market

12/04/2003

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)
00:000.450.450.4200.40.40.420
01:000.270.270.27200.270.270.2720
02:000.270.270.27200.270.270.2720
03:000.270.270.27200.270.270.2720
04:000.270.270.27200.270.270.2720
05:001.751.750.4200.40.40.420
06:001.7510.4200.40.40.420
07:0030.20.22030.20.220
08:001.750.250.25201.750.250.2520
09:001.750.250.25201.750.250.2520
10:001.750.20.2111.750.20.211
11:001.750.20.2111.750.20.211
12:001.750.20.2111.750.20.211
13:001.750.20.2111.750.20.211
14:001.750.20.2111.750.20.211
15:001.750.20.2111.750.20.211
16:001.750.430.43111.750.430.4311
17:003.250.430.43113.250.430.4311
18:001.750.430.43111.750.430.4311
19:001.750.430.43111.750.430.4311
20:003.250.420.42203.250.420.4220
21:003.250.40.4203.250.40.420
22:003.250.20.2203.250.20.220
23:003.251.251.25203.251.251.2520