P-5

Ancillary Services Prices, Day Ahead Market

07/14/2009

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)
00:000.250.250.1280.250.250.128
01:000.470.470.1280.250.250.128
02:000.470.470.1280.250.250.128
03:000.470.470.1280.250.250.128
04:000.470.470.1280.250.250.128
05:000.470.470.1280.250.250.128
06:000.470.470.1280.250.250.128
07:002.692.690.1282.692.690.128
08:0050.840.12850.840.128
09:0074.360.192874.360.1928
10:0074.350.52874.350.528
11:0074.350.52874.350.528
12:006.54.350.5286.54.350.528
13:006.854.350.5286.854.350.528
14:0074.350.52874.350.528
15:0074.350.52874.350.528
16:0074.330.52874.330.528
17:0074.330.52874.330.528
18:005.54.330.1285.54.330.128
19:0054.330.12854.330.128
20:006.54.330.5286.54.330.528
21:006.554.350.5286.554.350.528
22:006.920.540.18286.920.540.1828
23:000.480.480.18280.250.250.1828