P-5

Ancillary Service Prices, Day Ahead Market

02/20/2004

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)
00:000.380.380.38600.380.380.3860
01:000.840.840.84600.840.840.8460
02:000.840.840.84200.840.840.8420
03:000.840.840.84200.840.840.8420
04:000.840.840.84200.840.840.8420
05:000.840.840.84200.840.840.8420
06:003.250.370.37203.250.370.3720
07:003.250.20.2113.250.20.211
08:000.20.20.2110.20.20.211
09:000.20.20.2110.20.20.211
10:003.250.20.2113.250.20.211
11:003.250.150.15113.250.150.1511
12:003.250.160.16113.250.160.1611
13:0030.160.161130.160.1611
14:000.160.160.16110.160.160.1611
15:000.160.160.16110.160.160.1611
16:000.160.160.16600.160.160.1660
17:000.150.150.15110.150.150.1511
18:000.160.160.16110.160.160.1611
19:000.160.160.16110.160.160.1611
20:000.150.150.15110.150.150.1511
21:003.250.20.2603.250.20.260
22:000.160.160.16600.160.160.1660
23:000.170.170.17600.170.170.1760