P-5

Ancillary Services Prices, Day Ahead Market

08/17/2012

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)
00:001.771.770.054.5110.054.5
01:001.721.720.055110.055
02:000.20.20.0550.20.20.055
03:000.20.20.0550.20.20.055
04:000.20.20.0550.20.20.055
05:001.721.720.055110.055
06:001.751.750.055110.055
07:004.734.730.285220.285
08:004.734.730.2811220.2811
09:004.54.50.111220.111
10:004.714.710.4515220.4515
11:006.274.920.451520.650.4515
12:0016.479.920.451570.450.4515
13:0017.0510.030.451570.450.4515
14:002510.030.451570.450.4515
15:002510.030.451570.450.4515
16:0028.5410.030.451570.450.4515
17:0017.9510.030.451570.450.4515
18:005.774.970.4715.0221.20.4715.02
19:004.794.790.4515220.4515
20:004.864.860.4515220.4515
21:004.824.820.4515220.4515
22:004.884.880.458.1220.458.1
23:001.841.840.095110.095