P-5

Ancillary Services Prices, Day Ahead Market

01/15/2009

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)
00:003.893.890.25450.250.250.2545
01:003.893.890.25450.250.250.2545
02:003.893.890.25450.250.250.2545
03:003.893.890.25450.250.250.2545
04:003.493.490.25450.250.250.2545
05:003.893.890.25450.250.250.2545
06:004.194.190.354.010.30.30.354.01
07:0074.790.562.9174.790.562.91
08:0074.790.57074.790.570
09:0074.790.574.974.790.574.9
10:0072.690.579.0372.690.579.03
11:003.92.640.5703.92.640.570
12:002.542.540.5702.542.540.570
13:002.542.540.5702.542.540.570
14:002.542.540.5702.542.540.570
15:002.542.540.5702.542.540.570
16:0070.50.583.8370.50.583.83
17:0019.035.255110.5611.555110.56
18:0011.755.25598.0911.55598.09
19:0011.755.253.574.25103.53.574.25
20:0011.755.25271.58.52271.5
21:004.794.790.5704.794.790.570
22:004.594.590.5454.594.590.545
23:000.30.30.341.990.30.30.341.99