期刊
APPLIED ENERGY
卷 299, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2021.117325
关键词
Marine hydrokinetic; Remote communities; Life cycle analysis; Environmental Impacts; RivGen (R); Renewable Electricity
资金
- European Union's INTERREG VA Programme by the Special EU Programmes Body (SEUPB)
- European Union under the H2020, TAOIDE project [727465]
- H2020 Societal Challenges Programme [727465] Funding Source: H2020 Societal Challenges Programme
The study compared the deployment of renewable electricity generation devices in Alaska against the use of diesel electricity generation. The results showed a decrease in environmental impact with the deployment of renewable energy devices, with additional cost savings if maintained by local operators. While marine hydrokinetic devices are less harmful to the environment than diesel generators, optimal deployment is necessary to overcome certain environmental burdens.
Many remote communities are reliant on fossil fuels to produce electricity and/or heat. The environmental impact from these generation systems in remote regions have significant emissions from the transportation of fuel to the generation site and only exacerbate the effects of climate change on these communities. Power via sustainable methods is a priority to avoid further environmental damage and sustain local communities (aligns with UNSDG 7, 11 and 13). A life cycle assessment for the deployment of a renewable electricity generation device (ORPC, Rivgen (R)) in Alaska, USA as a case study comparison against the existing diesel electricity generation method was analysed using ReCiPe methodology . The kg CO2 eq/MWh is shown to decrease from 1345.45 kg CO2 eq/MWh with diesel electricity generation to 17.49 kg CO2 eq/MWh after a 20-year Rivgen (R) deployment. The impact of operations and maintenance is minimised if local operators service the device instead of OEMs, with an additional saving of between 0.03 and 25.50% across environmental impact categories. Although the marine hydrokinetic device is less environmentally harmful compared to diesel electricity generating sets, optimal deployment of the device is required to overcome some environmental burdens; agricultural land occupation, water depletion and metal depletion. The results demonstrate that deployment of renewable electricity generation devices to off grid remote locations for electricity generation can have the same or less, environmental impact as urban grid systems.
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