P-5

Ancillary Services Prices, Day Ahead Market

08/09/2010

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)
00:000.250.070.01300.250.070.0130
01:000.250.070.01200.250.070.0120
02:000.20.070.01200.20.070.0120
03:000.20.070.0122.110.20.070.0122.11
04:000.070.070.01300.070.070.0130
05:000.070.070.01300.070.070.0130
06:000.070.070.01300.070.070.0130
07:001.21.20.14451.21.20.1445
08:004.761.20.14454.761.20.1445
09:006.771.20.14326.771.20.1432
10:0071.20.2734.2471.20.2734.24
11:00770.2745770.2745
12:00990.2745770.2745
13:0010.929.990.275076.070.2750
14:0015.979.990.275071.020.2750
15:0016.719.990.285070.280.2850
16:00159.990.285071.990.2850
17:00159.990.285071.990.2850
18:008.768.760.2745770.2745
19:00770.2738.8770.2738.8
20:00770.2738.36770.2738.36
21:006.496.490.14456.496.490.1445
22:002.012.010.1452.012.010.145
23:000.070.070.01300.070.070.0130