P-5

Ancillary Services Prices, Day Ahead Market

06/15/2008

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)
00:002.592.590.1450.250.250.145
01:000.20.20.1450.20.20.145
02:000.20.20.147.360.20.20.147.36
03:000.20.20.155.590.20.20.155.59
04:000.20.20.159.550.20.20.159.55
05:003.093.090.171.410.250.250.171.41
06:000.40.40.165.680.250.250.165.68
07:003.993.990.1763.113.993.990.1763.11
08:0074.290.175074.290.1750
09:0074.590.55074.590.550
10:0074.590.55074.590.550
11:0011.494.990.56070.50.560
12:0011.494.990.56070.50.560
13:0011.494.990.56070.50.560
14:0011.494.990.56070.50.560
15:0011.494.990.56070.50.560
16:0011.494.990.56070.50.560
17:0011.494.990.56070.50.560
18:0011.494.990.56070.50.560
19:0011.414.910.56070.50.560
20:0011.494.990.56070.50.560
21:0011.494.990.56070.50.560
22:0011.094.590.55070.50.550
23:004.454.390.19450.250.190.1945