Journal
OCEAN & COASTAL MANAGEMENT
Volume 105, Issue -, Pages 15-24Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ocecoaman.2014.12.017
Keywords
Tidal stream energy; Choice experiment; MWTP; Externalities; Public acceptance
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Funding
- project Atlantic Power Cluster - European Commission through its Atlantic Area Programme
- Regional Government (Xunta de Galicia) through its Plan galego de investigacion, innovacion e crecemento Plan I2C [PRE/2012/601]
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The Choice Experiment (CE) technique is applied for the first time to one of the most promising marine renewables, tidal stream energy, with two objectives: (i) to investigate the public perceptions of this renewable, and (ii) to estimate the externalities, i.e., the monetary value of the impacts of a tidal stream farm. Both aspects, public perceptions and externalities, are relevant to the policy makers: if a policy is to maximise social welfare, it should be in line with public supporting attitudes and have positive externalities; moreover, the externalities are a prerequisite for establishing the appropriate level of subsidy (e.g., through a feed-in tariff). In this work the environmental and socioeconomic externalities are calculated independently, in a procedure that is illustrated through a case study: a prospective tidal farm in Ria de Ribadeo, an estuary in NW Spain. The public perceptions are found to be generally positive; notwithstanding, a certain degree of NIMBYism is detected. As regards the externalities, we find a positive net value. These findings are encouraging for the development of tidal stream energy, and the quantitative results provide a basis to establish the level of subsidisation. (C) 2014 Elsevier Ltd. All rights reserved.
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