P-5

Ancillary Service Prices, Day Ahead Market

12/09/2003

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)
00:000.120.120.12390.120.120.1239
01:000.10.10.1560.10.10.156
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:00110.15560.150.150.1556
06:003.250.450.15561.990.150.1556
07:003.250.150.15753.250.150.1575
08:003.250.150.15753.250.150.1575
09:003.250.150.15753.250.150.1575
10:003.250.150.15113.250.150.1511
11:003.250.150.15113.250.150.1511
12:001.990.150.15111.990.150.1511
13:000.150.150.15110.150.150.1511
14:000.150.150.15110.150.150.1511
15:000.150.150.15110.150.150.1511
16:001.990.20.2111.990.20.211
17:003.251.251.25113.251.251.2511
18:003.251.251.25113.251.251.2511
19:003.251.051.05113.251.051.0511
20:003.250.180.18113.250.180.1811
21:003.250.90.9753.250.90.975
22:0030.150.155630.150.1556
23:003.251.21.2563.251.21.256