P-5

Ancillary Services Prices, Day Ahead Market

04/08/2008

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.250.250.25450.250.250.2545
05:000.560.560.25450.250.250.2545
06:0024.510.840.25670.250.250.2567
07:0070.50.510070.50.5100
08:0070.190.19103.4570.190.19103.45
09:009.623.123.1252.629.623.123.1252.62
10:009.633.133.1352.639.633.133.1352.63
11:009.63.12.8252.329.322.822.8252.32
12:009.63.10.55070.50.550
13:009.63.10.55070.50.550
14:009.63.10.55070.50.550
15:009.63.10.55070.50.550
16:009.593.090.55070.50.550
17:009.593.090.55070.50.550
18:0031.733.110.55070.50.550
19:009.623.123.1252.629.623.123.1252.62
20:0013.113.523.5253.0210.023.523.5253.02
21:009.633.133.1352.639.633.133.1352.63
22:0010.880.50.55070.50.550
23:0013.530.30.3450.30.30.345