P-5

Ancillary Services Prices, Day Ahead Market

06/16/2008

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)
00:000.20.20450.20.2045
01:000.20.20450.20.2045
02:000.20.20450.20.2045
03:000.20.20450.20.2045
04:000.20.20450.20.2045
05:000.20.2049.880.20.2049.88
06:000.40.4065.260.250.25065.26
07:004.394.390.1604.394.390.160
08:0074.590.56074.590.560
09:0074.80.57074.80.570
10:0010.424.80.57071.380.570
11:0011.885.380.59070.50.590
12:0014.978.470.510070.50.5100
13:0016.5102.02101.528.522.022.02101.52
14:0016.5100.510070.50.5100
15:0026.25100.510070.50.5100
16:0032.41100.510070.50.5100
17:0031.64100.510070.50.5100
18:0016.5100.510070.50.5100
19:0074.80.59074.80.590
20:0011.494.990.57070.50.570
21:0010.734.80.57071.070.570
22:0011.494.990.55070.50.550
23:004.84.80.25450.250.250.2545