P-5

Ancillary Service Prices, Day Ahead Market

07/08/2004

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)
00:000.180.180.18200.180.180.1820
01:000.150.150.15200.150.150.1520
02:000.140.140.14200.140.140.1420
03:000.140.140.14200.140.140.1420
04:000.140.140.14200.140.140.1420
05:000.190.190.19200.190.190.1920
06:000.180.180.18200.180.180.1820
07:000.150.150.15120.150.150.1512
08:000.150.150.15120.150.150.1512
09:000.150.150.15120.150.150.1512
10:000.150.150.15120.150.150.1512
11:000.180.180.18120.180.180.1812
12:000.20.20.2120.20.20.212
13:000.190.190.19120.190.190.1912
14:000.190.190.19120.190.190.1912
15:000.20.20.2120.20.20.212
16:000.190.190.19120.190.190.1912
17:000.190.190.19120.190.190.1912
18:000.170.170.17120.170.170.1712
19:000.150.150.15120.150.150.1512
20:000.150.150.15120.150.150.1512
21:000.150.150.15120.150.150.1512
22:000.150.150.15120.150.150.1512
23:001.750.190.19201.750.190.1920