P-5

Ancillary Services Prices, Day Ahead Market

05/04/2009

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)
00:003.333.330.25300.250.250.2530
01:003.343.340.25300.250.250.2530
02:003.343.340.25300.250.250.2530
03:003.343.340.25300.250.250.2530
04:003.343.340.25300.250.250.2530
05:003.363.360.25300.250.250.2530
06:003.353.35231.7522231.75
07:0073.390.53073.390.530
08:0073.390.53073.390.530
09:0073.390.53073.390.530
10:0073.360.53073.360.530
11:0073.360.53073.360.530
12:0073.360.53073.360.530
13:0073.360.53073.360.530
14:0073.360.53073.360.530
15:007.343.360.8430.347.343.360.8430.34
16:007.343.360.8430.347.343.360.8430.34
17:0073.360.53073.360.530
18:0073.360.53073.360.530
19:0073.360.53073.360.530
20:0073.360.53073.360.530
21:0073.360.53073.360.530
22:0053.380.53053.380.530
23:003.093.090.25300.250.250.2530