P-5

Ancillary Services Prices, Day Ahead Market

12/08/2007

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)
00:002.592.590.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.2545.910.250.250.2545.91
03:000.250.250.2547.120.250.250.2547.12
04:000.250.250.2547.410.250.250.2547.41
05:000.250.250.2550.110.250.250.2550.11
06:002.592.590.3750.30.30.375
07:000.840.840.53000.840.840.5300
08:000.50.50.53000.50.50.5300
09:003.023.020.52503.023.020.5250
10:003.013.010.52503.013.010.5250
11:00330.5109.52330.5109.52
12:00330.5100330.5100
13:00330.5100330.5100
14:00330.5100330.5100
15:00330.5100330.5100
16:002.692.690.51002.692.690.5100
17:009.533.030.510070.50.5100
18:009.533.030.510070.50.5100
19:0073.020.510073.020.5100
20:0073.020.512573.020.5125
21:003.023.020.5803.023.020.580
22:000.50.50.5700.50.50.570
23:000.250.250.25700.250.250.2570