P-5

Ancillary Service Prices, Day Ahead Market

03/02/2004

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)
00:000.180.180.18250.180.180.1825
01:000.150.150.15250.150.150.1525
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:001.750.840.84201.750.840.8420
06:003.250.50.5203.250.50.520
07:00120.170.1735120.170.1735
08:00120.160.1635120.160.1635
09:00120.160.1635120.160.1635
10:00120.150.1511120.150.1511
11:003.250.150.15113.250.150.1511
12:003.250.150.15113.250.150.1511
13:003.250.150.15113.250.150.1511
14:003.250.150.15113.250.150.1511
15:003.250.150.15113.250.150.1511
16:00120.150.1535120.150.1535
17:00120.150.1535120.150.1535
18:003.250.160.16113.250.160.1611
19:003.250.160.16113.250.160.1611
20:00120.160.1625120.160.1625
21:00120.160.1625120.160.1625
22:003.250.170.17253.250.170.1725
23:0030.180.182530.180.1825