P-5

Ancillary Services Prices, Day Ahead Market

04/28/2010

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)
00:001.51.340.09280.250.090.0928
01:001.51.340.09280.250.090.0928
02:001.51.340.09280.250.090.0928
03:001.51.340.09280.250.090.0928
04:001.51.340.09280.250.090.0928
05:001.51.340.09280.250.090.0928
06:001.791.630.09280.250.090.0928
07:0025.541.680.183570.180.1835
08:0024.861.680.1822.8670.180.1822.86
09:0026.071.680.1824.0770.180.1824.07
10:0027.361.680.1825.3670.180.1825.36
11:0027.841.680.1825.8470.180.1825.84
12:0026.681.680.1824.6870.180.1824.68
13:0026.861.680.1824.8670.180.1824.86
14:0026.41.680.1824.470.180.1824.4
15:0025.281.680.1823.2870.180.1823.28
16:0011.281.670.12070.10.120
17:0011.321.670.121.5970.10.121.59
18:008.491.670.1823.9370.180.1823.93
19:009.211.670.183570.180.1835
20:008.451.630.1830.5270.180.1830.52
21:008.461.640.183570.180.1835
22:0070.460.183570.460.1835
23:000.50.350.1280.250.10.128