P-5

Ancillary Services Prices, Day Ahead Market

04/16/2010

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)
00:001.781.780.11280.250.250.1128
01:001.781.780.11280.250.250.1128
02:001.781.780.11280.250.250.1128
03:001.781.780.11280.250.250.1128
04:001.781.780.11280.250.250.1128
05:001.781.780.11280.250.250.1128
06:001.781.780.11280.250.250.1128
07:0072.140.253572.140.2535
08:0072.140.2531.1372.140.2531.13
09:005.212.140.2525.195.212.140.2525.19
10:008.312.140.2527.170.830.2527.1
11:008.492.140.528.4470.650.528.44
12:008.92.150.2526.6770.250.2526.67
13:008.912.160.2526.3570.250.2526.35
14:0072.140.2526.872.140.2526.8
15:0072.140.2527.2672.140.2527.26
16:0072.140.2527.8772.140.2527.87
17:0072.140.2531.7872.140.2531.78
18:0072.140.2534.2372.140.2534.23
19:0072.140.253572.140.2535
20:0072.140.253572.140.2535
21:0072.140.253572.140.2535
22:0052.140.253552.140.2535
23:000.450.450.11280.250.250.1128