P-5

Ancillary Service Prices, Day Ahead Market

10/25/2004

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
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:001.271.271.27501.271.271.2750
06:0041.21.27541.21.275
07:0040.170.177540.170.1775
08:0040.20.27540.20.275
09:00120.20.250120.20.250
10:0040.190.1917.4940.190.1917.49
11:00120.150.1514120.150.1514
12:0040.150.151440.150.1514
13:0040.150.151440.150.1514
14:0040.150.151440.150.1514
15:0040.150.151440.150.1514
16:0040.150.157540.150.1575
17:00120.150.1575120.150.1575
18:00120.150.1517.49120.150.1517.49
19:00120.150.1517.49120.150.1517.49
20:0040.150.1517.4940.150.1517.49
21:0040.180.187540.180.1875
22:0040.150.155040.150.1550
23:000.250.250.25200.250.250.2520