P-5

Ancillary Services Prices, Day Ahead Market

11/14/2009

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)
00:002.642.640.2280.250.250.228
01:003.093.090.2280.250.250.228
02:000.20.20.2280.20.20.228
03:000.20.20.2280.20.20.228
04:000.20.20.2280.20.20.228
05:003.093.090.2280.250.250.228
06:000.250.250.2280.250.250.228
07:000.190.190.1929.50.190.190.1929.5
08:000.150.150.15370.150.150.1537
09:002.642.640.5282.642.640.528
10:000.50.50.5280.50.50.528
11:000.50.50.5280.50.50.528
12:000.50.50.5280.50.50.528
13:000.190.190.19280.190.190.1928
14:000.180.180.18280.180.180.1828
15:000.180.180.18280.180.180.1828
16:000.50.50.5370.50.50.537
17:003.463.320.531.453.463.320.531.45
18:001.711.710.5371.711.710.537
19:001.41.40.5371.41.40.537
20:000.50.50.5370.50.50.537
21:000.190.190.19280.190.190.1928
22:000.150.150.15360.150.150.1536
23:000.190.190.19280.190.190.1928