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SYSTEM EFFECTS OF INTERMITTENT RENEWABLE ENERGIES : MEASUREMENT AND INTERNALISATION

Seminar January 31, 2013, 17h00 – 20h00, (reception open from 16h30), Salle Raymond Aron, University Paris-Dauphine (2nd floor)

Wind and solar, the principal sources of renewable energy, have successfully imposed themselves on a large scale in European electricity markets. Without emissions, calling only on the forces of nature, they are favored by public opinion and have become an indispensable element in the argumentation of politicians and large industrial companies. Behind this too easy unanimity a certain number of questions emerge. First of all, the current renewables installations have all, without exception, been purchased using subsidies that are financed by electricity consumers. Today, a German household pays 53 Euros per Mwh of renewables subsidies, which translates to an approximate doubling of the wholesale price of electricity.

Less well-known but just as important are the supplementary systems effects of wind and photovoltaic solar energies. Strongly dependant on their localization and meteorological conditions, they impose a heavy surcharge on the electrical system: massive additional investment in transportation and distribution networks, higher costs for system balancing due to the intermittence and unpredictability as well as the financing of reserve capacity.

With their very low variable costs, renewable energies impose themselves on the electricity market by lowering prices and reducing the operating hours of conventional energies (nuclear, coal, gas). The later-mentioned sources have a tendency today to withdraw from the market or to push-out new investments. Yet, they remain indispensable when the wind is not blowing or the sun not shining…. which poses the question of supplementary financing to insure their commercial sustainability.

Three international studies took the novel theme of systems effects head-on and present their results at a conference at University Paris-Dauphine with will launch this important theme within the structure of the debate on energy transition.

PROGRAM

17h00-17h10
Opening remarks by Jan Horst KEPPLER, Professor of Economics, Scientific Director of the Chaire European Electricity Markets (CEEM), and Dominique FINON, Director of research CNRS, CIRED, Responsible for Axe 2 at the CEEM

17h10-17h50
Jan Horst KEPPLER and Marco COMETTO (OCDE/AEN), « Short-term and Long-Term System Effects of Intermittent Renewables on Nuclear Energy and the Electricity Mix »
Presentation

17h50-18h30
Alfred VOSS (IER Stuttgart), « Nuclear Power and Renewables in Low-carbon Electricity Systems: System Effects and System Costs: A Case Study »
Presentation

18h30-19h10
Dominique FINON and Mauricio CEPEDA (CRE), « How to Correct Long-term Externalities of Large-scale Wind Power Development by a Capacity Mechanism? »
Presentation

19h10-20h00
Round Table with the participation of Patrice GEOFFRON (Professor of Economics, University Paris-Dauphine, Director of LEDa-CGEMP, President of the Round Table), Silvano DOMERGUE (Head of the pole Market Models and Economic Studies , RTE), Marc BUSSIERAS (Director of the pole Economics, Strategic Direction and Prospectives, EDF), Jean-François CONIL-LACOSTE (CEO of Powernext and EPEX SPOT)

20h00-21h00 : Reception at the Student’s Bar at University Paris-Dauphine

Entretien de Jan Horst Keppler sur "Les énergies intermittentes menacent la stabilité des approvisionnements électriques":

- Article publié par ENERPRESSE, le quotidien de l'énergie, N°10778, 8 mars 2013, pp. 10-13: Click here

- Article publié dans le Bulletin de l'Industrie Pétrolière, le quotidien du pétrole et du gaz naturel, N°12298, 7 mars 2013, pp. 11-14: Click here

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SYSTEM EFFECTS OF INTERMITTENT RENEWABLE ENERGIES : MEASUREMENT AND INTERNALISATION

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