Academic Publications

Lion has published 28 articles in peer-reviewed economics and engineering journals, including single-author papers in the leading field outlets Energy Economics, The Energy Journal, and Applied Energy. His “Market Value” paper is the most cited article in Energy Economics in recent years (see ranking), as is “Optimal Share” in The Energy Journal (see ranking). Google Scholar lists a total of 4000 citations, yielding an h-index of 24. RePEc lists Lion among the top 5% energy economists and among the top 10 of all economists of the cohort 2014. Lion’s publications have won several awards, including the best paper award of the International Association for Energy Economics.

Google scholar  ·  RePEc  ·  ResearchGate  ·  SSRN  ·  ORCiD   ·  All papers (zip)


First-authored articles (peer-reviewed)

Open Data for Electricity Modeling: Legal Aspects, Energy Strategy Reviews, 2020. open access

The ENTSO-E Transparency Platform. An assessment of Europe’s most ambitious electricity data platform, Applied Energy, 2018 (w/ Jonathan Mühlenpfordt & Marisa Bulkeley). open access

What caused the drop of European electricity prices? A factor decomposition analysis, The Energy Journal, 2018. open access

The benefits of flexibility: The value of wind energy with hydropower, Applied Energy, 2016. pdf

The role of capital costs for decarbonizing the power sector, Environmental Research Letters, 2016 (w/ Jan Steckel). pdf

System-friendly Wind Power, Energy Economics, 2016 (w/ Simon Müller). pdf | Best paper award INREC

Why Wind is not Coal: On the Economics of Electricity GenerationThe Energy Journal, 2016 (w/ Falko Ueckerdt & Ottmar Edenhofer). pdf

Balancing Power and Variable Renewables: Three Links, Renewable & Sustainable Energy Reviews, 2015 (w/ Inka Ziegenhagen). pdf

Integration Costs Revisited – An economic framework of wind and solar variabilityRenewable Energy, 2015 (w/ Falko Ueckerdt & Ottmar Edenhofer). pdf Best paper award IAEEBest poster award IEWTBest paper award IEWT

The Optimal Share of Variable Renewables: How the Variability of Wind and Solar Power affects their Welfare-optimal DeploymentThe Energy Journal, 2015.  pdf review

The Market Value of Solar Power: Is Photovoltaics Cost-Competitive?IET Renewable Power Generation, 2015. pdf | Selected paper Solar Integration Workshop

The Market Value of Variable Renewables: The effect of solar wind power variability on their relative priceEnergy Economics,2013. pdf

Redistribution Effects of Energy and Climate Policy: The electricity marketEnergy Policy,2013 (w/ Falko Ueckerdt). pdf


Co-authored articles (peer-reviewed)

Eyes on the Price: Which Power Generation Technologies Set the Market Price?, Economics of Energy & Environmental Policy, 2021 (w/ Eike Blume-Werry, Thomas Faber, Claus Huber & Martin Everts) pdf

Heating with Wind, Energy Economics, 2020 (w/ Oliver Ruhnau & Aaron Praktiknjo). pdf

On capital utilization in the hydrogen economy, International Journal of Hydrogen Energy (w/ Schalk Cloete & Oliver Ruhnau). pdf

Locational investment signals in electricity markets, The Energy Journal, 2020 (w/ Anselm Eicke & Tarun Khanna). pdf

Reforming the electric power industry in developing economies: Evidence on efficiency and electricity access outcomes, Energy Policy, 2020 (w/ Andrea Dertinger). pdf

Flexible power and hydrogen production: Finding synergy between CCS and variable renewables, Energy, 2020 (w/ Schalk Cloete). open access

Technology-neutral auctions for renewable energy: EU law vs. reality in Member States, Journal for European Enviromental & Planning Law, 2019 (w/ Lars Jerrentrup, Bastian Lotz & Silvana Tiedemann). pdf

Time series of heat demand and heat pump efficiency for energy system modeling, Nature Scientific Data, 2019. (w/ Oliver Ruhnau & Aaron Praktiknjo). open access

Short-Term Electricity Trading for System Balancing, Renewable & Sustainable Energy Reviews, 2019 (w/ Christopher Koch). pdf

Open Power System Data – Frictionless data for electricity system modelling, Applied Energy, 2019 (w/ Frauke Wiese, Ingmar Schlecht, Juliane Reimann, Clemens Gerbaulet, Martin Jahn, Jonathan Mühlenpfordt, Friedrich Kunz, Wolf-Peter Schill & Casimir Lorenz). pdf

Opening the black box of energy modelling: strategies and lessons learned, Energy Strategy Reviews, 2018 (w/ Stefan Pfenninger, Ingmar Schlecht, Eva Schmid, Frauke Wiese, Tom Brown, Chris Davis, Matthew Gidden, Heidi Heinrichs & Clara Heuberger). open access

The importance of open data and software: is energy research lagging behind?, Energy Policy, 2017 (w/ Stefan Pfenninger, Joseph DeCarolis, Sylvain Quoilin & Iain Staffell). open access

Carpe diem: A novel approach to select representative days for long-term power system models with high shares of renewable energy sources, Energy, 2016 (w/ Paul Nahmmacher, Eva Schmid & Brigitte Knopf). open access

On the Economics of Renewable Energy Sources, Energy Economics, 2013 (w/ Ottmar Edenhofer, Brigitte Knopf, Michael Pahle, Steffen Schloemer, Eva Schmid & Falko Ueckerdt). pdf

System LCOE: What are the costs of variable renewables?, Energy, 2013 (w/ Falko Ueckerdt, Gunnar Luderer & Ottmar Edenhofer). pdf

Carbon lock-out: Advancing renewable energy policy in Europe, Energies, 2012 (w/ Paul Lehmann, Felix Creutzig, Melf-Hinrich Ehlers, Nele Friedrichsen, Clemens Heuson & Robert Pietzcker). open access


Working paper / under review

Electricity balancing as a market equilibrium: Estimating supply and demand of imbalance energy, EconStor, 2020 (w/ Anselm Eicke & Oliver Ruhnau)

Reducing carbon emissions of households through monetary incentives and behavioral interventions: a meta-analysis, in review, 2020 (w/ Tarun Khanna, Giovanni Baiocchi, Max Callaghan, Felix Creutzig, Horia Bogdan Guias, Neal Haddaway, Aneeque Javaid, Nicolas Koch, Sonja Laukemper, Andreas Loeschel, Maria Del Mar Zamora, Jan Minx)

Redispatch Markets in Zonal Electricity Markets, EconStor, 2020 (w/ Ingmar Schlecht)

Markets for Local Flexibility in Distribution Networks, EconStor, 2019 (w/ Julia Radecke & Joseph Hefele)

Congestion Management: From Physics to Regulatory Instruments, EconStor, 2018 (w/ Samuel Glismann)

The Market Value of Wind and Solar Power: An Analytical Approach, IAEE Working Paper, 2016 (w/ Alexander Radebach)

Minimal Thermal Generation in Power Systems, IAEE Working Paper, 2015

How much electricity do we consume? FEEM Working Paper, 2014 (w/ Maximilian Schumacher)


Comissioned reports

Kosten- oder Marktbasiert? Zukünftige Redispatch-Beschaffung in Deutschland, Bericht für das Bundesministeriums für Wirtschaft und Energie, 2019

Cost- or market-based? Future redispatch procurement in Germany, Report for the German Federal Ministry for Economic Affairs and Energy, 2019

Open Data for Electricity Modeling, Report for the German Federal Ministry for Economic Affairs and Energy, 2018

Zusammenspiel von Markt und Netz im Stromsystem, Bericht für das Bundesministeriums für Wirtschaft und Energie, 2018

Nodale und zonale Strompreissysteme im Vergleich, Bericht für das Bundesministeriums für Wirtschaft und Energie, 2018

Study on the quality of electricity market data, Report for the European Commission, 2018

Electricity Market Design and RE Deployment, Report for IEA-RETD, 2016

The Integration Costs of Wind and Solar Power, Report for Agora Energiewende, 2015



The Economics of Wind and Solar Variability, TU Berlin, 2014.


Other publications

The importance of open data and software for energy research and policy advise, SETIS Magazine, 2016 (w/ Stefan Pfenninger, Joseph DeCarolis, Sylvain Quoilin & Iain Staffell).

Übertragungsnetzbetreiber erwarten massiven Wertverlust für Solarstrom, Phasenprüfer, 7 January 2016 (with Jakob Schlandt)

Jenseits des Sündenbocks Erneuerbare: Was hat den Verfall des Börsenstrompreises wirklich verursacht? , Phasenprüfer, 13 August 2015 (w/ Christoph Weber).

Das Ende der Grundlast, Phasenprüfer, 26 May 2015.

Solarstrom – an der Börse immer weniger wert, pv magazine, 23 April 2015.

Die Ökonomie der Energiewende, Phasenprüfer, 9 March 2015.

Wind, Sonne und Regelleistung, energiewirtschaftliche tagesfragen, 2013 (w/ Inka Ziegenhagen). pdfMandarin

The Decreasing Market Value of Variable Renewables: Integration Options and Deadlocks, in: Detlef Stolten & Viktor Scherer (eds.): Transition to Renewable Energy Systems: Energy Process Engineering, Wiley, 2013 (w/ Falko Ueckerdt). pdf


Press coverage

Die versteckten Kosten der Erneuerbaren, NZZ, 2019

Europe risks costly mistake with redispatch markets, Montel News, 2018

Wind and Solar Power Advance, but Carbon Refuses to Retreat, New York Times, 2017

Vattenkraft förbättrar vindkraftens lönsamhet, Second Opinion, 2016 (Swedish)

3 Ways Wind and Solar Can Continue To Grow In a 21st-Century Grid, Rocky Mountain Institute Outlet, 2015

Renewable energy sector runs the risk of overpowering market, Financial Times, 2015. pdf

No business case for lots of wind and solar, Energy Transition, 2015

Strom aus Erneuerbaren kannibalisiert sich selbst, Handelsblatt, 2015 (German)

A Look at Wind and Solar, Part 2: Is There An Upper Limit To Variable Renewables?, TheEnergyCollective, 2015

The Optimal Share of Intermittent Renewables, TheEnergyCollective, 2014

Doe windenergie niet af als kostenpost van miljarden euro’s, NRC, 2014 (Dutch)