P-5

Ancillary Service Prices, Day Ahead Market

12/08/2004

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)
00:000.320.320.32200.320.320.3220
01:000.180.180.18200.180.180.1820
02:000.180.180.18200.180.180.1820
03:000.180.180.18200.180.180.1820
04:000.180.180.18200.180.180.1820
05:000.390.390.39550.390.390.3955
06:001.990.380.38551.990.380.3855
07:0030.20.27030.20.270
08:0040.20.27040.20.270
09:0040.20.23540.20.235
10:0040.20.23540.20.235
11:0050.20.21450.20.214
12:0040.20.21440.20.214
13:0040.20.21440.20.214
14:0030.20.21430.20.214
15:0030.20.21430.20.214
16:0050.20.24050.20.240
17:0050.330.334050.330.3340
18:0050.330.334050.330.3340
19:0050.330.333550.330.3335
20:0050.20.23550.20.235
21:0040.20.24040.20.240
22:0050.330.334050.330.3340
23:0040.990.992040.990.9920