P-5

Ancillary Service Prices, Day Ahead Market

02/17/2004

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)
00:001.750.250.25251.750.250.2525
01:001.750.50.5251.750.50.525
02:001.750.50.5201.750.50.520
03:000.50.50.5200.50.50.520
04:000.50.50.5200.50.50.520
05:001.750.250.25201.750.250.2520
06:0030.50.52030.50.520
07:003.250.190.19113.250.190.1911
08:003.250.170.17113.250.170.1711
09:003.250.190.19113.250.190.1911
10:003.250.170.17113.250.170.1711
11:003.250.170.17113.250.170.1711
12:003.250.180.18113.250.180.1811
13:003.250.180.18113.250.180.1811
14:003.250.190.19113.250.190.1911
15:003.250.190.19113.250.190.1911
16:003.250.170.17113.250.170.1711
17:00120.170.1711120.170.1711
18:003.250.150.15353.250.150.1535
19:003.250.150.15353.250.150.1535
20:00120.20.225120.20.225
21:00120.170.1725120.170.1725
22:003.250.180.18253.250.180.1825
23:003.250.190.19253.250.190.1925