P-5

Ancillary Service Prices, Day Ahead Market

12/09/2004

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)
00:000.380.380.38200.380.380.3820
01:000.330.330.33200.330.330.3320
02:000.170.170.17200.170.170.1720
03:000.170.170.17200.170.170.1720
04:000.330.330.33200.330.330.3320
05:000.450.450.45350.450.450.4535
06:0030.380.385530.380.3855
07:001.990.20.2651.990.20.265
08:0040.20.27040.20.270
09:0040.20.23540.20.235
10:0030.20.23530.20.235
11:001.990.20.2141.990.20.214
12:001.990.20.2141.990.20.214
13:000.990.20.2140.990.20.214
14:000.990.20.2140.990.20.214
15:000.990.20.2140.990.20.214
16:0040.20.24040.20.240
17:0050.330.334050.330.3340
18:0040.330.333540.330.3335
19:0040.330.333540.330.3335
20:000.990.20.2350.990.20.235
21:001.990.20.2351.990.20.235
22:0050.340.3417.4950.340.3417.49
23:0040.990.992040.990.9920