P-5

Ancillary Service Prices, Day Ahead Market

02/01/2004

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)
00:000.250.250.25200.250.250.2520
01:000.160.160.16200.160.160.1620
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.160.160.16200.160.160.1620
06:003.250.380.38203.250.380.3820
07:003.250.20.2113.250.20.211
08:003.250.20.2113.250.20.211
09:00120.20.211120.20.211
10:00120.20.275120.20.275
11:00120.20.275120.20.275
12:00120.20.275120.20.275
13:00120.20.275120.20.275
14:003.250.20.2753.250.20.275
15:00120.20.275120.20.275
16:00120.20.275120.20.275
17:00120.20.275120.20.275
18:00120.20.275120.20.275
19:00120.20.275120.20.275
20:00120.180.1875120.180.1875
21:00120.190.1975120.190.1975
22:00120.20.275120.20.275
23:003.250.20.2203.250.20.220