Evaluation of the Impact of IPPs on the Greek Wholesale and Retail Electricity Markets

Pandelis N. Biskas, Christos K. Simoglou, Christoforos E. Zoumas, and Anastasios G. Bakirtzis


day-ahead electricity market, generation scheduling, independent power producers, mid-term scheduling, mixed-integer linear programming , peak-shaving


This paper investigates the impact of the installation and participation of conventional generating units owned by Independent Power Producers (IPPs) on the operation of the Greek competitive wholesale and retail electricity markets. A mid-term scheduling model formulated and solved as a mixed-integer linear program (MILP) is presented. This model is based on the day-ahead market clearing algorithm of the Greek wholesale electricity market. The effect of the participation of IPPs is examined in terms of various market indicators through simulations of the Greek wholesale electricity market during the year 2012 with and without the existence of IPPs.

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