Wind farms on undegraded peatlands are unlikely to reduce future carbon emissions

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Onshore wind energy is a key component of the renewable energies used by governments to reduce carbon emissions from electricity production, but will carbon emissions be reduced when wind farms are located on carbon-rich peatandsα Wind farms are often located in uplands because most are of low agricultural value, are distant from residential areas, and are windy. Many UK uplands are peatlands, with layers of accumulated peat that represent a large stock of soil carbon. When peatlands are drained for construction there is a higher risk of net carbon loss than for mineral soils. Previous work suggests that wind farms sited on peatlands can reduce net carbon emissions if strictly managed for maximum retention of carbon. Here we show that, whereas in 2010, most sites had potential to provide net carbon savings, by 2040 most sites will not reduce carbon emissions even with careful management. This is due to projected changes in the proportion of fossil fuels used to generate electricity. The results suggest future policy should avoid constructing wind farms on undegraded peatlands unless drainage of peat is minimal and the volume excavated in foundations can be significantly reduced compared to energy output.
Original languageEnglish
Pages (from-to)585-591
Number of pages7
JournalEnergy Policy
Volume66
Early online date22 Nov 2013
DOIs
Publication statusPublished - Mar 2014

Fingerprint

wind farm
carbon emission
peatland
Farms
Carbon
carbon
peat
electricity
energy
Peat
soil carbon
fossil fuel
savings
drainage
Electricity
Soils
mineral
Fossil fuels
Wind power
Drainage

Keywords

  • wind farms
  • carbon
  • peatlands

Cite this

Wind farms on undegraded peatlands are unlikely to reduce future carbon emissions. / Smith, Jo; Nayak, Dali Rani; Smith, Pete.

In: Energy Policy, Vol. 66, 03.2014, p. 585-591.

Research output: Contribution to journalArticle

@article{59642c7ea4a14fb5839e7680a0d88f5d,
title = "Wind farms on undegraded peatlands are unlikely to reduce future carbon emissions",
abstract = "Onshore wind energy is a key component of the renewable energies used by governments to reduce carbon emissions from electricity production, but will carbon emissions be reduced when wind farms are located on carbon-rich peatandsα Wind farms are often located in uplands because most are of low agricultural value, are distant from residential areas, and are windy. Many UK uplands are peatlands, with layers of accumulated peat that represent a large stock of soil carbon. When peatlands are drained for construction there is a higher risk of net carbon loss than for mineral soils. Previous work suggests that wind farms sited on peatlands can reduce net carbon emissions if strictly managed for maximum retention of carbon. Here we show that, whereas in 2010, most sites had potential to provide net carbon savings, by 2040 most sites will not reduce carbon emissions even with careful management. This is due to projected changes in the proportion of fossil fuels used to generate electricity. The results suggest future policy should avoid constructing wind farms on undegraded peatlands unless drainage of peat is minimal and the volume excavated in foundations can be significantly reduced compared to energy output.",
keywords = "wind farms, carbon, peatlands",
author = "Jo Smith and Nayak, {Dali Rani} and Pete Smith",
year = "2014",
month = "3",
doi = "10.1016/j.enpol.2013.10.066",
language = "English",
volume = "66",
pages = "585--591",
journal = "Energy Policy",
issn = "0301-4215",
publisher = "Elsevier BV",

}

TY - JOUR

T1 - Wind farms on undegraded peatlands are unlikely to reduce future carbon emissions

AU - Smith, Jo

AU - Nayak, Dali Rani

AU - Smith, Pete

PY - 2014/3

Y1 - 2014/3

N2 - Onshore wind energy is a key component of the renewable energies used by governments to reduce carbon emissions from electricity production, but will carbon emissions be reduced when wind farms are located on carbon-rich peatandsα Wind farms are often located in uplands because most are of low agricultural value, are distant from residential areas, and are windy. Many UK uplands are peatlands, with layers of accumulated peat that represent a large stock of soil carbon. When peatlands are drained for construction there is a higher risk of net carbon loss than for mineral soils. Previous work suggests that wind farms sited on peatlands can reduce net carbon emissions if strictly managed for maximum retention of carbon. Here we show that, whereas in 2010, most sites had potential to provide net carbon savings, by 2040 most sites will not reduce carbon emissions even with careful management. This is due to projected changes in the proportion of fossil fuels used to generate electricity. The results suggest future policy should avoid constructing wind farms on undegraded peatlands unless drainage of peat is minimal and the volume excavated in foundations can be significantly reduced compared to energy output.

AB - Onshore wind energy is a key component of the renewable energies used by governments to reduce carbon emissions from electricity production, but will carbon emissions be reduced when wind farms are located on carbon-rich peatandsα Wind farms are often located in uplands because most are of low agricultural value, are distant from residential areas, and are windy. Many UK uplands are peatlands, with layers of accumulated peat that represent a large stock of soil carbon. When peatlands are drained for construction there is a higher risk of net carbon loss than for mineral soils. Previous work suggests that wind farms sited on peatlands can reduce net carbon emissions if strictly managed for maximum retention of carbon. Here we show that, whereas in 2010, most sites had potential to provide net carbon savings, by 2040 most sites will not reduce carbon emissions even with careful management. This is due to projected changes in the proportion of fossil fuels used to generate electricity. The results suggest future policy should avoid constructing wind farms on undegraded peatlands unless drainage of peat is minimal and the volume excavated in foundations can be significantly reduced compared to energy output.

KW - wind farms

KW - carbon

KW - peatlands

UR - http://www.scopus.com/inward/record.url?scp=84892488558&partnerID=8YFLogxK

U2 - 10.1016/j.enpol.2013.10.066

DO - 10.1016/j.enpol.2013.10.066

M3 - Article

VL - 66

SP - 585

EP - 591

JO - Energy Policy

JF - Energy Policy

SN - 0301-4215

ER -