P-5

Ancillary Services Prices, Day Ahead Market

04/24/2010

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)
00:001.821.670.1280.250.10.128
01:001.821.670.1280.250.10.128
02:000.250.250.1280.250.250.128
03:000.250.250.1280.250.250.128
04:000.250.250.1280.250.250.128
05:001.821.670.1280.250.10.128
06:001.821.670.1280.250.10.128
07:008.551.650.13270.10.132
08:008.551.650.13270.10.132
09:008.551.650.13270.10.132
10:008.551.650.13270.10.132
11:008.561.660.13270.10.132
12:008.561.660.13270.10.132
13:008.561.660.13270.10.132
14:008.561.660.13270.10.132
15:008.561.660.13270.10.132
16:008.561.660.13270.10.132
17:008.561.660.13270.10.132
18:008.561.660.13270.10.132
19:008.561.660.13270.10.132
20:009.271.680.13270.10.132
21:008.561.660.13270.10.132
22:008.561.660.13270.10.132
23:001.811.660.1280.250.10.128