Dear Prof. Zimmerman, Thank you so much for your reply and very useful comments.
I need some papers or documents to verify this issue that you discussed. I will be appreciated if you address or send me a paper or a report about this. Best regards, Geev On Thu, Nov 29, 2012 at 5:52 PM, Ray Zimmerman <[email protected]> wrote: > If the dispatchable load price is at $200, then if congestion causes one > of these loads to become marginal (not fully dispatched), the price at that > bus will be $200. Due to losses, prices at nearby buses could be slightly > higher. > > I should also mention that, with inelastic demand, it is possible for > nodal prices to go well above the highest generator offer in a highly > constrained system. The intuition is that an extra increment of load at > that bus may require a much larger shift of generation from cheap to > expensive sources. > > -- > Ray Zimmerman > Senior Research Associate > 419A Warren Hall, Cornell University, Ithaca, NY 14853 > phone: (607) 255-9645 > > > > > On Nov 29, 2012, at 11:26 AM, Geev Mokryani <[email protected]> wrote: > > Dear Prof. Zimmerman, > > > My main problem is this: I have generators offers price of 80 USD/MWh and > bids of dispatchable loads price of 200 USD/MWh and in the network I have > congestion. When I do runmarket in MATPOWER at some buses it gives me the > LMP around 200 USD/MWh. Could you please let me know how it occures and why? > Usually it has to give us the LMP in the range between 200 and 80 USD/MWh. > > If you need I can send the network and m.file. > > Looking forward to hearing from you. > > > Best regards, > > Geev > > >
