P-5

Ancillary Service Prices, Day Ahead Market

10/12/2004

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)
00:000.370.370.2200.20.20.220
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.390.390.2400.20.20.240
06:000.380.380.2550.20.20.255
07:000.20.20.2550.20.20.255
08:001.990.20.2551.990.20.255
09:0030.20.24030.20.240
10:0030.20.24030.20.240
11:0030.20.21430.20.214
12:000.990.320.32140.990.320.3214
13:0060.380.388860.380.3888
14:0060.380.388860.380.3888
15:0060.380.388860.380.3888
16:0060.840.849960.840.8499
17:000.380.380.38160.380.380.3816
18:0030.180.181630.180.1816
19:0030.180.184030.180.1840
20:0030.190.194030.190.1940
21:000.320.320.32400.320.320.3240
22:0060.20.24060.20.240
23:000.450.450.45200.450.450.4520