P-5

Ancillary Service Prices, Day Ahead Market

02/24/2004

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)
00:000.380.380.2600.20.20.260
01:000.840.840.2600.20.20.260
02:000.840.840.2200.20.20.220
03:000.840.840.2200.20.20.220
04:000.840.840.2200.20.20.220
05:000.840.840.2200.20.20.220
06:0030.370.2201.990.20.220
07:0030.190.197530.190.1975
08:0030.20.27530.20.275
09:0030.350.357530.350.3575
10:0030.20.21130.20.211
11:0030.20.21130.20.211
12:001.990.20.2111.990.20.211
13:000.20.20.2110.20.20.211
14:000.20.20.2110.20.20.211
15:000.20.20.2110.20.20.211
16:0030.20.21130.20.211
17:000.20.20.2110.20.20.211
18:000.20.20.2110.20.20.211
19:000.350.350.35110.350.350.3511
20:000.150.150.15110.150.150.1511
21:003.250.20.2603.250.20.260
22:001.990.20.2601.990.20.260
23:000.20.20.2600.20.20.260