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Efficient Renewable Electricity Support: Designing an Incentive-compatible Support Scheme

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  • David Newbery

Abstract

Most existing renewables support schemes distort location and dispatch decisions. Many impose unnecessary risk on developers, increasing support costs. Efficient policy sets the right carbon price, supports capacity not output, ensures efficient dispatch and location. The EU bans priority dispatch and requires market-based bidding, but does not address the underlying problem that payment is conditional on generation, amplifying incentives to locate in windy/sunny sites. This article identifies the various distortions and proposes an auctioned contract to address location and dispatch distortions: a financial Contract for Difference (CfD) with hourly contracted volume proportional to local renewable output/MW, with a life specified in MWh/MW, with long-term transmission contracts based on predicted output-weighted actual or simulated nodal prices. This yardstick CfD delivers efficient dispatch. It assures but limits the total subsidy. It does not over-pay for windy/sunny sites. The revenue assurance allows high debt:equity, dramatically lowering the subsidy cost.

Suggested Citation

  • David Newbery, 2023. "Efficient Renewable Electricity Support: Designing an Incentive-compatible Support Scheme," The Energy Journal, International Association for Energy Economics, vol. 0(Number 3).
    • Handle: RePEc:aen:journl:ej44-3-newbery
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    Cited by:

    1. Simshauser, Paul, 2024. "On static vs. dynamic line ratings in renewable energy zones," Energy Economics, Elsevier, vol. 129(C).
    2. Frédéric Gonand & Pedro Linares & Andreas Löschel & David Newbery & Karen Pittel & Julio Saavedra & Georg Zachmann, 2024. "Watts Next: Securing Europe’s Energy and Competitiveness - Where the EU’s Energy Policy Should Go Now," EconPol Policy Reports 49, ifo Institute - Leibniz Institute for Economic Research at the University of Munich.
    3. Simshauser, P. & Newbery, D., 2023. "Non-Firm vs. Priority Access: on the Long Run Average and Marginal Cost of Renewables in Australia," Cambridge Working Papers in Economics 2363, Faculty of Economics, University of Cambridge.

    More about this item

    JEL classification:

    • F0 - International Economics - - General

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