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Estimating the Quantity of Wind and Solar Required To Displace Storage-Induced Emissions

Hittinger, Eric ; Azevedo, Inês M. L.

Environmental science & technology, 2017-11, Vol.51 (21), p.12988-12997 [Periódico revisado por pares]

United States: American Chemical Society

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  • Título:
    Estimating the Quantity of Wind and Solar Required To Displace Storage-Induced Emissions
  • Autor: Hittinger, Eric ; Azevedo, Inês M. L.
  • Assuntos: Alabama ; Carbon dioxide ; Electricity ; Emissions ; Emissions control ; Energy storage ; Michigan ; Montana ; Renewable Energy ; Renewable resources ; Solar energy ; Storage facilities ; Wind ; Wind power ; Wind power generation
  • É parte de: Environmental science & technology, 2017-11, Vol.51 (21), p.12988-12997
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: The variable and nondispatchable nature of wind and solar generation has been driving interest in energy storage as an enabling low-carbon technology that can help spur large-scale adoption of renewables. However, prior work has shown that adding energy storage alone for energy arbitrage in electricity systems across the U.S. routinely increases system emissions. While adding wind or solar reduces electricity system emissions, the emissions effect of both renewable generation and energy storage varies by location. In this work, we apply a marginal emissions approach to determine the net system CO2 emissions of colocated or electrically proximate wind/storage and solar/storage facilities across the U.S. and determine the amount of renewable energy required to offset the CO2 emissions resulting from operation of new energy storage. We find that it takes between 0.03 MW (Montana) and 4 MW (Michigan) of wind and between 0.25 MW (Alabama) and 17 MW (Michigan) of solar to offset the emissions from a 25 MW/100 MWh storage device, depending on location and operational mode. Systems with a realistic combination of renewables and storage will result in net emissions reductions compared with a grid without those systems, but the anticipated reductions are lower than a renewable-only addition.
  • Editor: United States: American Chemical Society
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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