Hybrid life cycle assessment of an onshore wind farm including direct and indirect services: A case study in Guajira, Colombia

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Hybrid life cycle assessment of an onshore wind farm including direct and indirect services: A case study in Guajira, Colombia. / Vélez-Henao, Johan Andrés; Vivanco, David Font.
In: Journal of Environmental Management, Vol. 284, 112058, 15.04.2021.

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@article{cb4831136472442498c0753f133c913f,
title = "Hybrid life cycle assessment of an onshore wind farm including direct and indirect services: A case study in Guajira, Colombia",
abstract = "To diversify and decarbonize its energy system, Colombia plans a sizeable increase in wind power by installing onshore wind farms in the Guajira region. While presumably superior to other alternatives in terms of environmental performance, this assumption cannot be tested due to the lack of studies in this region. To assess the potential environmental performance of wind power in Colombia, we conduct a hybrid life cycle assessment of a wind farm of 19.5 MW of installed capacity for various impacts. We include both direct (required on-site) and indirect (required in the supply-chain) services associated with the life cycle of the wind farm for completeness, an unprecedented feature in the LCA literature. The results show that the wind farm is associated with low global warming impacts (12.93 gr CO2 eq/kWh) compared with similar studies, mainly due to high wind speeds. Moreover, the inclusion of both direct and indirect services increases the environmental impacts across indicators (with respect to the results without services) from 0% (carcinogenic effects) to 21% (terrestrial eutrophication). Further, sensitivity analysis suggests that the results are highly dependant on the capacity factor, lifespan, and percentage of losses. We conclude that the inclusion of both direct and indirect services is not negligible in the life cycle assessment of wind farms and similar projects, particularly given the substantial services required, such as surveying, legal compliance, etc. Given the difficulty to obtain data on services, we conclude with some recommendations aimed at relevant stakeholders, such as tax benefits and public procurement guidelines.",
keywords = "Case study, Direct services, Hybrid LCA, Indirect services, Wind power, Environmental Governance",
author = "V{\'e}lez-Henao, {Johan Andr{\'e}s} and Vivanco, {David Font}",
note = "Copyright {\textcopyright} 2021 Elsevier Ltd. All rights reserved.",
year = "2021",
month = apr,
day = "15",
doi = "10.1016/j.jenvman.2021.112058",
language = "English",
volume = "284",
journal = "Journal of Environmental Management",
issn = "0301-4797",
publisher = "Academic Press Inc.",

}

RIS

TY - JOUR

T1 - Hybrid life cycle assessment of an onshore wind farm including direct and indirect services

T2 - A case study in Guajira, Colombia

AU - Vélez-Henao, Johan Andrés

AU - Vivanco, David Font

N1 - Copyright © 2021 Elsevier Ltd. All rights reserved.

PY - 2021/4/15

Y1 - 2021/4/15

N2 - To diversify and decarbonize its energy system, Colombia plans a sizeable increase in wind power by installing onshore wind farms in the Guajira region. While presumably superior to other alternatives in terms of environmental performance, this assumption cannot be tested due to the lack of studies in this region. To assess the potential environmental performance of wind power in Colombia, we conduct a hybrid life cycle assessment of a wind farm of 19.5 MW of installed capacity for various impacts. We include both direct (required on-site) and indirect (required in the supply-chain) services associated with the life cycle of the wind farm for completeness, an unprecedented feature in the LCA literature. The results show that the wind farm is associated with low global warming impacts (12.93 gr CO2 eq/kWh) compared with similar studies, mainly due to high wind speeds. Moreover, the inclusion of both direct and indirect services increases the environmental impacts across indicators (with respect to the results without services) from 0% (carcinogenic effects) to 21% (terrestrial eutrophication). Further, sensitivity analysis suggests that the results are highly dependant on the capacity factor, lifespan, and percentage of losses. We conclude that the inclusion of both direct and indirect services is not negligible in the life cycle assessment of wind farms and similar projects, particularly given the substantial services required, such as surveying, legal compliance, etc. Given the difficulty to obtain data on services, we conclude with some recommendations aimed at relevant stakeholders, such as tax benefits and public procurement guidelines.

AB - To diversify and decarbonize its energy system, Colombia plans a sizeable increase in wind power by installing onshore wind farms in the Guajira region. While presumably superior to other alternatives in terms of environmental performance, this assumption cannot be tested due to the lack of studies in this region. To assess the potential environmental performance of wind power in Colombia, we conduct a hybrid life cycle assessment of a wind farm of 19.5 MW of installed capacity for various impacts. We include both direct (required on-site) and indirect (required in the supply-chain) services associated with the life cycle of the wind farm for completeness, an unprecedented feature in the LCA literature. The results show that the wind farm is associated with low global warming impacts (12.93 gr CO2 eq/kWh) compared with similar studies, mainly due to high wind speeds. Moreover, the inclusion of both direct and indirect services increases the environmental impacts across indicators (with respect to the results without services) from 0% (carcinogenic effects) to 21% (terrestrial eutrophication). Further, sensitivity analysis suggests that the results are highly dependant on the capacity factor, lifespan, and percentage of losses. We conclude that the inclusion of both direct and indirect services is not negligible in the life cycle assessment of wind farms and similar projects, particularly given the substantial services required, such as surveying, legal compliance, etc. Given the difficulty to obtain data on services, we conclude with some recommendations aimed at relevant stakeholders, such as tax benefits and public procurement guidelines.

KW - Case study

KW - Direct services

KW - Hybrid LCA

KW - Indirect services

KW - Wind power

KW - Environmental Governance

UR - http://www.scopus.com/inward/record.url?scp=85100386543&partnerID=8YFLogxK

U2 - 10.1016/j.jenvman.2021.112058

DO - 10.1016/j.jenvman.2021.112058

M3 - Journal articles

C2 - 33548752

AN - SCOPUS:85100386543

VL - 284

JO - Journal of Environmental Management

JF - Journal of Environmental Management

SN - 0301-4797

M1 - 112058

ER -

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