Page Ref: P-5

Ancillary Service Prices
Day Ahead Market

12/19/1999

Time Stamp 10 Min Spinning Reserve ($/MWHr) 10 Min Non-Synchronous Reserve ($/MWHr) 30 Min Operating Reserve ($/MWHr) Regulation ($/MWHr)
00:00 5.00 0.94 0.46 50.00
01:00 5.00 0.94 0.44 16.95
02:00 5.00 0.94 0.44 25.00
03:00 5.00 0.94 0.44 25.00
04:00 5.00 0.94 0.44 25.00
05:00 5.00 0.94 0.44 25.00
06:00 5.00 0.94 0.44 25.00
07:00 5.00 0.94 0.84 25.00
08:00 5.00 0.94 0.84 25.00
09:00 0.94 0.94 0.84 38.50
10:00 0.94 0.94 0.84 38.50
11:00 5.00 0.99 0.84 200.00
12:00 5.00 1.09 0.84 200.00
13:00 5.00 0.99 0.84 200.00
14:00 5.00 0.99 0.99 200.00
15:00 5.00 1.09 0.84 200.00
16:00 5.00 0.99 0.84 200.00
17:00 5.00 0.94 0.89 200.00
18:00 5.00 0.99 0.84 200.00
19:00 5.00 0.94 0.84 200.00
20:00 5.00 0.94 0.84 50.00
21:00 5.00 0.94 0.84 50.00
22:00 5.00 0.94 0.46 50.00
23:00 5.00 0.94 0.46 50.00