P-5

Ancillary Service Prices, Day Ahead Market

02/29/2004

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)
00:000.50.50.5200.50.50.520
01:000.170.170.17200.170.170.1720
02:000.170.170.17200.170.170.1720
03:000.170.170.17200.170.170.1720
04:000.170.170.17200.170.170.1720
05:000.50.50.5200.50.50.520
06:000.50.50.5200.50.50.520
07:001.750.20.2111.750.20.211
08:003.250.20.2113.250.20.211
09:003.250.20.2113.250.20.211
10:003.250.190.19353.250.190.1935
11:003.250.190.19353.250.190.1935
12:003.250.190.19353.250.190.1935
13:003.250.190.19353.250.190.1935
14:003.250.190.19353.250.190.1935
15:003.250.190.19353.250.190.1935
16:003.250.160.16353.250.160.1635
17:00120.160.1635120.160.1635
18:00120.160.1635120.160.1635
19:00120.160.1635120.160.1635
20:00120.160.1625120.160.1625
21:00120.160.1625120.160.1625
22:0030.20.22530.20.225
23:001.750.20.2251.750.20.225