P-5

Ancillary Service Prices, Day Ahead Market

12/14/2003

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)
00:001.750.840.5200.50.50.520
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.150.150.15200.150.150.1520
06:001.750.840.5200.50.50.520
07:001.750.180.18111.750.180.1811
08:0030.150.151130.150.1511
09:003.250.150.15113.250.150.1511
10:003.250.150.15173.250.150.1517
11:003.250.150.15173.250.150.1517
12:003.250.150.15173.250.150.1517
13:003.250.150.15173.250.150.1517
14:003.250.150.15173.250.150.1517
15:003.250.150.15173.250.150.1517
16:003.250.20.2173.250.20.217
17:003.250.990.99173.250.990.9917
18:003.250.90.9173.250.90.917
19:003.250.90.9203.250.90.920
20:00100.180.1820100.180.1820
21:00100.150.1520100.150.1520
22:003.250.150.15203.250.150.1520
23:003.250.180.18203.250.180.1820