P-5

Ancillary Services Prices, Day Ahead Market

04/25/2010

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)
00:001.791.640.1280.250.10.128
01:001.791.640.1280.250.10.128
02:000.260.260.1280.250.250.128
03:000.250.250.1280.250.250.128
04:000.250.250.1280.250.250.128
05:001.791.640.1280.250.10.128
06:001.791.640.1280.250.10.128
07:007.340.440.13270.10.132
08:007.340.440.13270.10.132
09:007.340.440.13270.10.132
10:0070.420.13270.420.132
11:0070.420.13270.420.132
12:0070.420.13270.420.132
13:0070.420.13270.420.132
14:0070.420.13270.420.132
15:0070.420.13270.420.132
16:0070.420.13270.420.132
17:0070.420.13270.420.132
18:0070.420.13270.420.132
19:008.531.630.13270.10.132
20:0011.471.650.13270.10.132
21:007.320.420.13270.10.132
22:007.320.420.13270.10.132
23:000.590.440.1280.250.10.128