P-5

Ancillary Services Prices, Day Ahead Market

03/31/2012

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)
00:005.264.340.087.310.080.087.3
01:005.264.340.088.910.080.088.9
02:000.90.90.199.480.190.190.199.48
03:000.90.90.1960.190.190.196
04:000.90.90.1910.280.190.190.1910.28
05:005.264.340.0812.8410.080.0812.84
06:005.264.340.0823.3710.080.0823.37
07:0013.264.340.081590.080.0815
08:0013.154.340.1922.9390.190.1922.93
09:0013.164.350.1923.2590.190.1923.25
10:0013.154.340.191290.190.1912
11:0013.154.340.191290.190.1912
12:0013.154.340.191290.190.1912
13:0013.154.340.191290.190.1912
14:0013.154.340.191290.190.1912
15:0013.154.340.1918.9890.190.1918.98
16:0013.154.340.1918.2790.190.1918.27
17:0013.154.340.1927.7790.190.1927.77
18:0013.164.350.1921.1490.190.1921.14
19:0014.325.510.1932.5690.190.1932.56
20:0013.174.360.191590.190.1915
21:0013.174.360.1921.5590.190.1921.55
22:0013.154.340.194.590.190.194.5
23:005.264.340.087.9210.080.087.92