P-5

Ancillary Services Prices, Day Ahead Market

01/14/2009

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:004.394.390.3450.30.30.345
07:0074.290.567.4474.290.567.44
08:008.823.890.566.2272.070.566.22
09:0010.393.890.54570.50.545
10:009.993.49251.328.52251.32
11:0073.090.54573.090.545
12:0073.090.54573.090.545
13:006.243.090.5456.243.090.545
14:004.123.490.5454.123.490.545
15:004.623.490.5454.623.490.545
16:0073.090.54573.090.545
17:0013.065.253.8556.1110.353.853.8556.11
18:00103.53.548103.53.548
19:0011.755.253.5848.0810.083.583.5848.08
20:0010.393.893.548103.53.548
21:0073.490.54573.490.545
22:002.542.540.5452.542.540.545
23:002.692.690.3450.30.30.345