An Optimization Model for the Electricity Market Clearing Problem With Uniform Purchase Price and Zonal Selling Prices

Electricity markets can be designed in different ways. One rule that is sometimes enforced is the uniform purchase price. Under this pricing method, all the consumers pay the same price regardless of the zone they belong to. By contrast, each producer receives its zonal price. This asymmetry in the...

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Bibliographic Details
Published in:IEEE transactions on power systems Vol. 33; no. 3; pp. 2864 - 2873
Main Authors: Savelli, Iacopo, Giannitrapani, Antonio, Paoletti, Simone, Vicino, Antonio
Format: Journal Article
Language:English
Published: New York IEEE 01.05.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Acquisitions & mergers
bilevel programming
binary expansion
Clearing
Economics
Electricity pricing
Electricity supply industry
Europe
Integer programming
Linear programming
Marginal pricing
market clearing
Markets
Mixed integer
Optimization
Optimization models
Optimization techniques
power system economics
Pricing
Search problems
Uniform purchase price
ISSN:0885-8950, 1558-0679
Online Access:Get full text
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Summary:Electricity markets can be designed in different ways. One rule that is sometimes enforced is the uniform purchase price. Under this pricing method, all the consumers pay the same price regardless of the zone they belong to. By contrast, each producer receives its zonal price. This asymmetry in the price paid and received makes the clearing process not easily treatable through standard optimization techniques. Within the framework of marginal pricing, this paper shows how it is possible to formulate the market clearing problem with uniform purchase price and zonal selling prices as a computationally tractable mixed integer linear programming problem. The proposed approach is tested using real data from the Italian day-ahead market, which is actually based on the aforementioned rule.
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ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2017.2751258