P-5

Ancillary Services Prices, Day Ahead Market

03/15/2005

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)
00:000.30.20.18200.30.20.1820
01:000.840.840.18200.30.30.1820
02:000.840.840.18200.30.30.1820
03:000.690.690200.30.3020
04:000.690.690200.30.3020
05:000.840.840.18400.30.30.1840
06:000.340.20.16400.30.160.1640
07:0030.150.154030.150.1540
08:00100.150.1540100.150.1540
09:00100.20.240100.20.240
10:00100.20.240100.20.240
11:00100.20.221100.20.221
12:0070.20.181430.180.1814
13:0070.20.171430.170.1714
14:0070.20.171430.170.1714
15:0070.20.171430.170.1714
16:00130.20384.920038
17:00130.20.23811.270.20.238
18:0016.120.20.239.1316.120.20.239.13
19:0015.10.170.173815.10.170.1738
20:00130.150.1538130.150.1538
21:005.250.150.1540.225.250.150.1540.22
22:0030.150.154030.150.1540
23:000.320.20.18200.30.180.1820