Details about Oliver Ruhnau

Access statistics for papers by Oliver Ruhnau.

Last updated 2025-11-12. Update your information in the RePEc Author Service.

Short-id: pru376

Working Papers

2025

1. Flexibility in electricity wholesale markets and distribution grids: An integrated model and its application to electric vehicles in Germany
   EWI Working Papers, Energiewirtschaftliches Institut an der Universitaet zu Koeln (EWI)
2. Green charged decision-making: How two-part remuneration, contract flexibility, and environmental nudging drive vehicle-to-grid participation
   EWI Working Papers, Energiewirtschaftliches Institut an der Universitaet zu Koeln (EWI)
3. Green hydrogen support with overlapping climate policies
   EWI Working Papers, Energiewirtschaftliches Institut an der Universitaet zu Koeln (EWI)

2024

4. A heated debate - The future cost-efficiency of climate-neutral heating options under consideration of heterogeneity and uncertainty
   EWI Working Papers, Energiewirtschaftliches Institut an der Universitaet zu Koeln (EWI)
   See also Journal Article A heated debate—The future cost efficiency of climate-neutral heating options under consideration of heterogeneity and uncertainty, Energy Policy, Elsevier (2025) (2025)
5. A heated debate – The future cost-efficiency of climate-neutral heating options under consideration of heterogeneity and uncertainty (Update)
   EWI Working Papers, Energiewirtschaftliches Institut an der Universitaet zu Koeln (EWI)
6. Decomposing Return and Volatility Connectedness in Northwest European Gas Markets: Evidence from the ?2 connectedness approach
   EWI Working Papers, Energiewirtschaftliches Institut an der Universitaet zu Koeln (EWI)
7. Identifying Elasticities in Autocorrelated Time Series Using Causal Graphs
   Papers, arXiv.org

2023

8. How aggregate electricity demand responds to hourly wholesale price fluctuations
   EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (1)
   See also Journal Article How aggregate electricity demand responds to hourly wholesale price fluctuations, Energy Economics, Elsevier (2024) View citations (9) (2024)
9. Portfolio Effects in Green Hydrogen Production Under Temporal Matching Requirements
   FCN Working Papers, E.ON Energy Research Center, Future Energy Consumer Needs and Behavior (FCN)

2022

10. European industry responds to high energy prices: The case of German ammonia production
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (10)
11. Flexible green hydrogen: Economic benefits without increasing emissions
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (2)
12. Flexible green hydrogen: Economic benefits without increasing power sector emissions
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (2)
13. Gas demand in times of crisis: energy savings by consumer group in Germany
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (3)
14. Modeling Volatility and Flexibility of Electric Vehicles’ Energy Consumption
    FCN Working Papers, E.ON Energy Research Center, Future Energy Consumer Needs and Behavior (FCN) View citations (1)
15. The (very) short-term price elasticity of German electricity demand
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (3)
16. Update and extension of the When2Heat dataset
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (3)

2021

17. Blue hydrogen and industrial base products: The future of fossil fuel exporters in a net-zero world
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics
18. Electricity balancing as a market equilibrium
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (4)
19. How flexible electricity demand stabilizes wind and solar market values: the case of hydrogen electrolyzers
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (9)
    See also Journal Article How flexible electricity demand stabilizes wind and solar market values: The case of hydrogen electrolyzers, Applied Energy, Elsevier (2022) View citations (31) (2022)
20. Phasing out coal - An impact analysis comparing five large-scale electricity market models
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (2)
    See also Journal Article Phasing out coal: An impact analysis comparing five large-scale electricity market models, Applied Energy, Elsevier (2022) View citations (4) (2022)
21. Storage requirements in a 100% renewable electricity system: Extreme events and inter-annual variability
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (3)
22. The European Electricity Market Model EMMA - Model Description
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (9)
23. The transformation of integrated electricity and heat systems—Assessing mid-term policies using a model comparison approach
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics
    See also Journal Article The transformation of integrated electricity and heat systems—Assessing mid-term policies using a model comparison approach, Renewable and Sustainable Energy Reviews, Elsevier (2022) View citations (7) (2022)
24. Why electricity market models yield different results: Carbon pricing in a model-comparison experiment
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (3)
    See also Journal Article Why electricity market models yield different results: Carbon pricing in a model-comparison experiment, Renewable and Sustainable Energy Reviews, Elsevier (2022) View citations (16) (2022)

2020

25. Electricity balancing as a market equilibrium: Estimating supply and demand of imbalance energy
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (1)
26. Heating with wind: Economics of heat pumps and variable renewables
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (30)
    See also Journal Article Heating with wind: Economics of heat pumps and variable renewables, Energy Economics, Elsevier (2020) View citations (26) (2020)
27. Market-based renewables: How flexible hydrogen electrolyzers stabilize wind and solar market values
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (8)
28. On capital utilization in the hydrogen economy: The quest to minimize idle capacity in renewables-rich energy systems
    EconStor Preprints, ZBW - Leibniz Information Centre for Economics View citations (7)

2015

29. Economic Implications of Enhanced Forecast Accuracy: The Case of Photovoltaic Feed-In Forecasts
    FCN Working Papers, E.ON Energy Research Center, Future Energy Consumer Needs and Behavior (FCN) View citations (1)

Journal Articles

2025

1. A heated debate—The future cost efficiency of climate-neutral heating options under consideration of heterogeneity and uncertainty
   Energy Policy, 2025, 206, (C)
   See also Working Paper A heated debate - The future cost-efficiency of climate-neutral heating options under consideration of heterogeneity and uncertainty, EWI Working Papers (2024) (2024)

2024

2. Cost-Potential Curves of Onshore Wind Energy: the Role of Disamenity Costs
   Environmental & Resource Economics, 2024, 87, (2), 347-368 View citations (1)
3. How aggregate electricity demand responds to hourly wholesale price fluctuations
   Energy Economics, 2024, 135, (C) View citations (9)
   See also Working Paper How aggregate electricity demand responds to hourly wholesale price fluctuations, EconStor Preprints (2023) View citations (1) (2023)

2023

4. Flexible green hydrogen: The effect of relaxing simultaneity requirements on project design, economics, and power sector emissions
   Energy Policy, 2023, 182, (C) View citations (12)
5. Natural gas savings in Germany during the 2022 energy crisis
   Nature Energy, 2023, 8, (6), 621-628 View citations (29)

2022

6. How flexible electricity demand stabilizes wind and solar market values: The case of hydrogen electrolyzers
   Applied Energy, 2022, 307, (C) View citations (31)
   See also Working Paper How flexible electricity demand stabilizes wind and solar market values: the case of hydrogen electrolyzers, EconStor Preprints (2021) View citations (9) (2021)
7. Phasing out coal: An impact analysis comparing five large-scale electricity market models
   Applied Energy, 2022, 319, (C) View citations (4)
   See also Working Paper Phasing out coal - An impact analysis comparing five large-scale electricity market models, EconStor Preprints (2021) View citations (2) (2021)
8. The transformation of integrated electricity and heat systems—Assessing mid-term policies using a model comparison approach
   Renewable and Sustainable Energy Reviews, 2022, 160, (C) View citations (7)
   See also Working Paper The transformation of integrated electricity and heat systems—Assessing mid-term policies using a model comparison approach, EconStor Preprints (2021) (2021)
9. Why electricity market models yield different results: Carbon pricing in a model-comparison experiment
   Renewable and Sustainable Energy Reviews, 2022, 153, (C) View citations (16)
   See also Working Paper Why electricity market models yield different results: Carbon pricing in a model-comparison experiment, EconStor Preprints (2021) View citations (3) (2021)

2021

10. Electricity balancing as a market equilibrium: An instrument-based estimation of supply and demand for imbalance energy
    Energy Economics, 2021, 102, (C) View citations (13)

2020

11. Economic implications of forecasting electricity generation from variable renewable energy sources
    Renewable Energy, 2020, 161, (C), 1318-1327 View citations (8)
12. Heating with wind: Economics of heat pumps and variable renewables
    Energy Economics, 2020, 92, (C) View citations (26)
    See also Working Paper Heating with wind: Economics of heat pumps and variable renewables, EconStor Preprints (2020) View citations (30) (2020)

2019

13. Direct or indirect electrification? A review of heat generation and road transport decarbonisation scenarios for Germany 2050
    Energy, 2019, 166, (C), 989-999 View citations (52)

Chapters

2017

1. Feed-In Forecasts for Photovoltaic Systems and Economic Implications of Enhanced Forecast Accuracy
   Springer View citations (1)