P-5

Ancillary Services Prices, Day Ahead Market

05/28/2010

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)
00:000.430.430.03280.250.250.0328
01:000.430.430.03280.250.250.0328
02:000.430.430.03280.250.250.0328
03:000.430.430.03280.250.250.0328
04:000.430.430.03280.250.250.0328
05:000.430.430.03280.250.250.0328
06:000.710.710.03280.250.250.0328
07:004.283.340.09304.283.340.0930
08:0073.340.093073.340.0930
09:0073.340.093073.340.0930
10:0073.340.163073.340.1630
11:0073.340.183073.340.1830
12:0073.340.163073.340.1630
13:0073.340.183073.340.1830
14:0073.340.183073.340.1830
15:0073.340.183073.340.1830
16:0073.340.183073.340.1830
17:0073.340.183073.340.1830
18:0073.340.183073.340.1830
19:0073.330.183073.330.1830
20:0073.330.183073.330.1830
21:0053.330.183053.330.1830
22:004.283.330.18304.283.330.1830
23:000.690.690.06300.250.250.0630