P-5

Ancillary Services Prices, Day Ahead Market

03/20/2005

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)
00:000.250.190.17200.250.190.1720
01:000.250.20.17200.250.20.1720
02:000.250.20.17200.250.20.1720
03:000.250.20.17200.250.20.1720
04:000.250.20.17200.250.20.1720
05:000.250.20.17200.250.20.1720
06:000.250.20.17200.250.20.1720
07:0030.150.151430.150.1514
08:0030.150.151430.150.1514
09:0030.150.151430.150.1514
10:0030.150.152830.150.1528
11:0030.150.151430.150.1514
12:0030.150.151430.150.1514
13:0030.150.151430.150.1514
14:0030.150.151430.150.1514
15:0030.150.151430.150.1514
16:0030.150.153830.150.1538
17:007.110.150.1561.1330.150.1561.13
18:0011.890.180.1843.8111.890.180.1843.81
19:0014.080.180.1853.4814.080.180.1853.48
20:0013.130.150.155013.130.150.1550
21:008.150.150.15404.140.150.1540
22:007.360.150.154030.150.1540
23:001.430.20.01200.30.010.0120