P-5

Ancillary Service Prices, Day Ahead Market

01/21/2004

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)
00:0030.40.42530.40.425
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
05:0030.40.42530.40.425
06:003.2511253.251125
07:003.250.20.2253.250.20.225
08:0030.20.22530.20.225
09:00100.20.225100.20.225
10:00100.20.211100.20.211
11:00100.20.211100.20.211
12:00100.20.211100.20.211
13:003.250.20.2113.250.20.211
14:003.250.180.18113.250.180.1811
15:003.250.190.19113.250.190.1911
16:00100.20.225100.20.225
17:00100.20.225100.20.225
18:00440.20.225440.20.225
19:00100.20.225100.20.225
20:003.250.150.15253.250.150.1525
21:003.250.20.2253.250.20.225
22:003.250.170.17253.250.170.1725
23:003.250.250.25203.250.250.2520