P-5

Ancillary Service Prices, Day Ahead Market

02/15/2004

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)
00:003.250.250.25203.250.250.2520
01:003.2511203.251120
02:003.251.251.25203.251.251.2520
03:0031.261.262031.261.2620
04:0031.261.262031.261.2620
05:003.251.271.27203.251.271.2720
06:001.261.261.26201.261.261.2620
07:003.250.20.2113.250.20.211
08:003.250.190.19113.250.190.1911
09:003.250.190.19113.250.190.1911
10:003.250.180.18113.250.180.1811
11:003.250.180.18113.250.180.1811
12:0030.190.191130.190.1911
13:0030.190.193530.190.1935
14:001.990.190.19351.990.190.1935
15:001.990.190.19351.990.190.1935
16:003.250.170.17113.250.170.1711
17:003.250.170.17353.250.170.1735
18:003.250.170.17353.250.170.1735
19:003.250.170.17353.250.170.1735
20:003.250.160.16253.250.160.1625
21:003.250.170.17253.250.170.1725
22:003.250.180.18113.250.180.1811
23:003.250.190.19203.250.190.1920