Power plants can bid on more than one product. That's why most spark-spread studies miss the mark.
Forward energy prices can make it look easy to place a value on a power plant. Yet...
load flows, manages congestion, and calculates transmission costs. UPLAN is a true multi-commodity, multi-area OPF (MMOPF) model.
9 The approach, and an example using the UPLAN system, is described in greater detail in Deb, "Operating Hydroelectric Plants and Pumped Storage Units," , 13, 3 (April 2000).
10 A fuller development of the issues and examples of this section can be found in Chapter 6 of , EPRI, Palo Alto, Calif., and LCG Consulting, Los Altos, Calif.: 2000. 1000571.