P-5

Ancillary Service Prices, Day Ahead Market

10/16/2004

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)
00:0030.840.842030.840.8420
01:000.250.250.25200.250.250.2520
02:000.250.250.25200.250.250.2520
03:000.250.250.25200.250.250.2520
04:000.250.250.25200.250.250.2520
05:000.250.250.25400.250.250.2540
06:000.840.840.84990.840.840.8499
07:000.990.990.99990.990.990.9999
08:001.990.840.84951.990.840.8495
09:0030.450.454030.450.4540
10:0030.450.454030.450.4540
11:0030.330.331430.330.3314
12:0030.330.331430.330.3314
13:0030.330.331430.330.3314
14:0030.330.331430.330.3314
15:0030.330.331430.330.3314
16:0030.320.324030.320.3240
17:0030.190.194030.190.1940
18:0030.20.24030.20.240
19:0030.20.24030.20.240
20:0030.20.24030.20.240
21:0030.450.454030.450.4540
22:000.840.840.84400.840.840.8440
23:000.840.840.84200.840.840.8420