P-5

Ancillary Service Prices, Day Ahead Market

01/19/2004

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)
00:000.150.150.15250.150.150.1525
01:000.160.160.16250.160.160.1625
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.160.160.16250.160.160.1625
06:003.250.380.38253.250.380.3825
07:0030.20.22530.20.225
08:0030.190.192530.190.1925
09:003.250.20.2253.250.20.225
10:00100.20.211100.20.211
11:003.250.20.2113.250.20.211
12:003.250.20.2113.250.20.211
13:003.250.20.2113.250.20.211
14:003.250.20.2113.250.20.211
15:003.250.20.2113.250.20.211
16:00100.20.225100.20.225
17:00440.160.1625440.160.1625
18:00100.20.225100.20.225
19:00100.20.225100.20.225
20:003.250.160.16253.250.160.1625
21:0030.20.22530.20.225
22:003.250.190.19253.250.190.1925
23:003.250.380.38253.250.380.3825