P-5

Ancillary Service Prices, Day Ahead Market

01/22/2004

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)
00:000.20.20.2250.20.20.225
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
05:000.250.250.25250.250.250.2525
06:003.250.50.5253.250.50.525
07:003.250.20.2253.250.20.225
08:003.250.190.19253.250.190.1925
09:003.250.20.2253.250.20.225
10:003.250.20.2113.250.20.211
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
17:00100.40.425100.40.425
18:003.250.40.4253.250.40.425
19:003.250.40.4253.250.40.425
20:003.250.160.16253.250.160.1625
21:003.250.20.2253.250.20.225
22:0030.190.192530.190.1925
23:0030.380.382530.380.3825