Wind, water and wires: evaluating joint wind and interconnector capacity expansions in hydro-rich regions

David M Newbery

Cambridge Working Papers in Economics from Faculty of Economics, University of Cambridge

Abstract: Countries or regions with a high share of storage hydro and good renewables resources may be able to interconnect to less well-endowed neighbours. To maximise joint benefits, coordinating interconnector and renewables investment is desirable. Suitable long-term contracts ensure that beneficiaries pay and jointly cover the highly dispersed costs and benefits. The article develops a simple model calibrated for Tasmania that demonstrates how this can be quantified and various counterfactuals tested. The key to the simplification is that the value of water is both stable over time and the key driver of outcomes. The economic attraction of proposed wind and interconnector investment depends sensitively on the value placed on CO2 reductions.

Keywords: Hydro-storage; wind; interconnectors; carbon benefits (search for similar items in EconPapers)
JEL-codes: D47 D61 F18 H23 Q25 Q42 (search for similar items in EconPapers)
Date: 2022-02-17
New Economics Papers: this item is included in nep-ene, nep-env and nep-reg
Note: dmgn
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Persistent link: https://EconPapers.repec.org/RePEc:cam:camdae:2212

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