P-5

Ancillary Service Prices, Day Ahead Market

01/08/2004

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)
00:003.250.250.25253.250.250.2525
01:000.140.140.14250.140.140.1425
02:000.140.140.14200.140.140.1420
03:000.140.140.14200.140.140.1420
04:000.140.140.14200.140.140.1420
05:001.990.450.45251.990.450.4525
06:003.250.50.5253.250.50.525
07:001.990.190.19251.990.190.1925
08:003.250.180.18253.250.180.1825
09:003.250.20.2253.250.20.225
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:003.250.170.17113.250.170.1711
13:003.250.170.17113.250.170.1711
14:003.250.170.17113.250.170.1711
15:003.250.170.17113.250.170.1711
16:003.250.20.2253.250.20.225
17:00101.191.1925101.191.1925
18:00101.191.1925101.191.1925
19:003.250.760.76113.250.760.7611
20:003.250.20.2113.250.20.211
21:001.750.450.45251.750.450.4525
22:00100.160.1625100.160.1625
23:00100.20.225100.20.225