Congestion management in electricity networks


Type
Working Paper
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Authors
Holmberg, Pärr 
Lazarczyk, Ewa 
Abstract

Wholesale electricity markets use different market designs to handle congestion in the transmission network. We compare nodal, zonal and discriminatory pricing in general networks with transmission constraints and loop flows. We conclude that in large games with many producers who are allowed to participate in the real-time market the three market designs result in the same efficient dispatch. However, zonal pricing with counter-trading results in additional payments to producers in exportconstrained nodes.

Description
Keywords
Congestion management, wholesale electricity market, transmission network, nodal pricing, zonal pricing with countertrading, discriminatory pricing, large game
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