P-5

Ancillary Services Prices, Day Ahead Market

04/15/2010

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)
00:002.042.040.11280.250.250.1128
01:002.042.040.11280.250.250.1128
02:002.042.040.11280.250.250.1128
03:002.042.040.11280.250.250.1128
04:002.042.040.11280.250.250.1128
05:002.042.040.11280.250.250.1128
06:002.292.150.11280.250.110.1128
07:0072.160.253572.160.2535
08:0072.160.253572.160.2535
09:008.932.180.2512.770.250.2512.7
10:0072.160.253572.160.2535
11:0016.162.190.253570.250.2535
12:0010.462.190.2512.8970.250.2512.89
13:0011.642.190.251270.250.2512
14:0010.462.190.2513.0470.250.2513.04
15:009.332.190.2510.9470.250.2510.94
16:0010.292.180.2510.4770.250.2510.47
17:008.912.160.253570.250.2535
18:0072.150.253572.150.2535
19:008.912.160.253570.250.2535
20:0072.150.2532.272.150.2532.2
21:0072.150.253572.150.2535
22:0072.150.253572.150.2535
23:002.132.130.11280.250.250.1128