P-5

Ancillary Service Prices, Day Ahead Market

02/03/2004

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)
00:000.20.20.2950.20.20.295
01:000.160.160.16950.160.160.1695
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.20.20.2750.20.20.275
06:003.250.380.38753.250.380.3875
07:003.250.20.2353.250.20.235
08:003.250.190.19353.250.190.1935
09:003.250.20.2353.250.20.235
10:003.250.190.19113.250.190.1911
11:003.250.20.2113.250.20.211
12:003.250.190.19113.250.190.1911
13:003.250.20.2113.250.20.211
14:003.250.190.19113.250.190.1911
15:003.250.190.19113.250.190.1911
16:00120.20.235120.20.235
17:00120.20.235120.20.235
18:00120.160.1635120.160.1635
19:003.250.160.16353.250.160.1635
20:003.250.160.16253.250.160.1625
21:00120.160.1625120.160.1625
22:003.250.190.19253.250.190.1925
23:0030.190.192530.190.1925