Community energy and emissions planning for tidal current turbines: A case study of the municipalities of the Southern Gulf Islands Region, British Columbia

Last modified: 
December 14, 2019 - 10:03am
Type: Journal Article
Year of publication: 2017
Date published: 09/2017
Authors: Stephen Sangiuliano
Journal title: Renewable and Sustainable Energy Reviews
Volume: 76
Pages: 1 - 8
ISSN: 13640321

Society's dependence on fossil fuels to meet energy demands has resulted in an enormous release of greenhouse gas (GHG) emissions into the atmosphere, thereby perpetuating global climate change. The consequences of climate change have prompted progressive governments such as British Columbia to establish legislative GHG emission reductions targets, which have lead to energy conscience municipalities within the province voluntarily committing to helping achieve such targets. Best practices examined from European municipalities share a common theme of renewable energy adoption and municipally-owned utilities. An emerging renewable energy technology are tidal current turbines (TCTs), which function to extract kinetic energy from the lateral movement of the tides in areas with considerable tidal velocities. This paper examines the history, physics, operational parameters, and plausible environmental impacts of TCTs in order to make a case for their sustainable implementation. The feasibility of the municipalities of North Pender Island, South Pender Island, and Saturna of the Southern Gulf Islands Region (SGIR), British Columbia, to help meet established GHG emissions reduction targets through the implementation of TCTs is analyzed, demonstrating that the deployment of 10 TCTs can produce 38,266,602 kWh/yr of electricity, mitigating 1138 t of CO2e, achieving 9.9% of the cumulative municipal GHG emissions mitigation targets. The paper then examines a case study in the Shetland Islands and Pentland Firth and Orkney Waters, Scotland, suggesting that jurisdictional regulatory powers over TCT installation and operation be devolved from the British Columbia government to the municipal governments of North Pender Island, South Pender Island, and Saturna, so that such communities can reap the benefits associated with a municipally-owned utility.

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