P-5

Ancillary Service Prices, Day Ahead Market

02/12/2004

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)
00:000.370.370.37750.370.370.3775
01:000.840.840.84750.840.840.8475
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
07:003.250.20.2753.250.20.275
08:003.250.190.19753.250.190.1975
09:003.250.20.2753.250.20.275
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:003.250.180.18113.250.180.1811
13:003.250.180.18113.250.180.1811
14:003.250.180.18113.250.180.1811
15:003.250.180.18113.250.180.1811
16:003.250.160.16753.250.160.1675
17:003.250.160.16113.250.160.1611
18:003.250.160.16113.250.160.1611
19:003.250.160.16113.250.160.1611
20:003.250.160.16753.250.160.1675
21:003.250.190.19753.250.190.1975
22:003.250.20.2753.250.20.275
23:003.250.20.2203.250.20.220