P-5

Ancillary Services Prices, Day Ahead Market

01/17/2009

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)
00:004.194.190.3450.30.30.345
01:003.993.990.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.093.090.3450.30.30.345
06:003.493.490.3450.30.30.345
07:004.594.590.5454.594.590.545
08:004.594.590.5704.594.590.570
09:004.794.790.5704.794.790.570
10:004.794.790.5704.794.790.570
11:0074.790.57074.790.570
12:0074.790.57074.790.570
13:004.794.790.5704.794.790.570
14:004.794.790.5704.794.790.570
15:004.794.790.5704.794.790.570
16:002.542.540.5702.542.540.570
17:009.955.253.5739.955.253.573
18:0010.55.25473.510.55.25473.5
19:0011.755.253.8573.3510.353.853.8573.35
20:008.55.25271.58.55.25271.5
21:004.794.790.5704.794.790.570
22:0074.990.54574.990.545
23:004.394.390.3450.30.30.345