P-5

Ancillary Services Prices, Day Ahead Market

05/20/2010

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)
00:002.312.130.07280.250.070.0728
01:002.312.130.07280.250.070.0728
02:000.360.360.07280.250.250.0728
03:000.360.360.07280.250.250.0728
04:000.360.360.07280.250.250.0728
05:002.312.130.07280.250.070.0728
06:003.53.320.07280.250.070.0728
07:008.283.370.173072.090.1730
08:0010.23.370.173070.170.1730
09:0010.33.470.173070.170.1730
10:0011.713.460.1731.428.420.170.1731.42
11:0073.370.173073.370.1730
12:0073.370.173073.370.1730
13:008.043.370.173072.330.1730
14:008.43.370.173071.970.1730
15:0011.283.470.1730.987.980.170.1730.98
16:0010.33.470.173070.170.1730
17:0010.213.380.173070.170.1730
18:008.633.350.173071.720.1730
19:008.993.350.173071.360.1730
20:0010.23.370.173070.170.1730
21:0010.23.370.173070.170.1730
22:0073.350.163073.350.1630
23:002.312.310.07300.250.250.0730