P-5

Ancillary Services Prices, Day Ahead Market

12/10/2005

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)
00:002.752.690.19880.250.190.1988
01:000.20.20.18500.20.20.1850
02:000.20.20.1852.460.20.20.1852.46
03:000.20.20.1853.170.20.20.1853.17
04:000.20.20.18500.20.20.1850
05:000.20.20.1891.240.20.20.1891.24
06:003.0530.2880.250.20.288
07:007.080.250.178870.170.1788
08:0070.250.257570.250.2575
09:009.530.55070.50.550
10:0010.8430.55070.50.550
11:0070.50.55070.50.550
12:0070.50.536.6170.50.536.61
13:007.090.590.532.6570.50.532.65
14:007.090.590.52870.50.528
15:007.090.590.52870.50.528
16:0070.250.257570.250.2575
17:0033.46100.99757.490.990.9975
18:0026.75100.997517.740.990.9975
19:0019.076.510.997513.550.990.9975
20:0011.160.250.027570.020.0275
21:0070.50.560.0270.50.560.02
22:008.892.390.58870.50.588
23:003.0530.2550.250.20.255