P-5

Ancillary Services Prices, Day Ahead Market

03/21/2005

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)
00:000.940.70.01200.250.010.0120
01:000.250.20.19200.250.20.1920
02:000.250.20.19200.250.20.1920
03:000.250.20.19200.250.20.1920
04:000.250.20.19200.250.20.1920
05:000.920.840.17400.250.170.1740
06:000.930.840.16750.250.160.1675
07:00100.150.1542.59100.150.1542.59
08:0015.750.150.1545.0815.750.150.1545.08
09:0016.50.150.154016.50.150.1540
10:0014.340.150.154014.340.150.1540
11:0010.070.150.154010.070.150.1540
12:0070.150.151870.150.1518
13:0070.150.1516.135.130.150.1516.13
14:0070.150.151430.150.1514
15:0070.150.151870.150.1518
16:00130.150.1565130.150.1565
17:00130.150.1543.1130.150.1543.1
18:0019.10.190.1943.3119.10.190.1943.31
19:0017.140.180.183817.140.180.1838
20:0016.130.180.1839.6416.130.180.1839.64
21:0015.20.190.1944.2515.20.190.1944.25
22:0030.150.1564.6330.150.1564.63
23:000.280.20.17200.250.170.1720