P-5

Ancillary Services Prices, Day Ahead Market

04/19/2010

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)
00:001.861.670.06280.250.060.0628
01:001.861.670.06280.250.060.0628
02:001.861.670.06280.250.060.0628
03:001.861.670.06280.250.060.0628
04:002.531.670.07280.250.070.0728
05:002.531.670.07280.250.070.0728
06:001.791.650.11280.250.110.1128
07:0071.650.2530.3771.650.2530.37
08:006.951.650.2527.866.951.650.2527.86
09:008.181.650.2525.7570.470.2525.75
10:008.521.670.1525.7570.150.1525.75
11:0014.431.680.1525.8370.150.1525.83
12:0014.91.680.1525.9970.150.1525.99
13:0014.721.680.1524.9670.150.1524.96
14:0014.481.680.152470.150.1524
15:0012.491.680.1526.1270.150.1526.12
16:0014.911.680.1525.9270.150.1525.92
17:0014.881.680.1527.1470.150.1527.14
18:0071.650.2528.9871.650.2528.98
19:008.41.650.253570.250.2535
20:0010.251.680.252470.250.2524
21:008.41.650.253570.250.2535
22:008.41.650.253570.250.2535
23:001.81.660.11280.250.110.1128