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Research Papers: Alternative Energy Sources

Multicriteria Decision Analysis for Wave Power Technology in Canada

[+] Author and Article Information
Joshua R. Monds

Department of Mechanical Engineering,
University of Alberta,
Edmonton, Alberta, Canada

Contributed by the Advanced Energy Systems Division of ASME for publication in the Journal of Energy Resources Technology. Manuscript received October 27, 2012; final manuscript received August 10, 2013; published online October 17, 2013. Assoc. Editor: Muhammad M. Rahman.

J. Energy Resour. Technol 136(2), 021201 (Oct 17, 2013) (8 pages) Paper No: JERT-12-1252; doi: 10.1115/1.4025408 History: Received October 27, 2012; Revised August 10, 2013

Three individual wave power generation technologies were studied and evaluated using multicriteria decision analysis through the use of the PROMETHEE method. To evaluate the three technologies, data were collected from previously performed experimental testing on the performance of each wave power generation technology. These data were used to feed into seven different criteria; namely the capacity factor, rated power, capital cost, operation and maintenance (O&M) costs, cost of electricity (COE) for a 10 year payback, maturity, and survivability. The associated data and criteria were used to determine the optimal technology. The results from the Decision Lab modeling ranked the Wave Dragon, AquaBuOY, and Pelamis technologies as 1, 2, and 3, respectively, for all three locations: Tofino/Ucluelet, Hibernia Oil Platform, and St. John's, Newfoundland. A sensitivity analysis of the threshold values determined for the baseline modeling indicated that the original ranking was essentially unaffected when the threshold values were modified (increased and decreased). The weights of the criterion were individually adjusted to evaluate any change in ranking order. A sizable increase in weighting of greater than 40% of any one criterion (while the others were weighed equally) resulted in a change of the overall ranking order of the three technologies. Final weightings on each of the criterion were assigned with preference on rated power, COE, and maturity stage. All other criteria were weighted equally and like the baseline modeling output, the results of the model ranked Wave Dragon, AquaBuOY, and Pelamis from most favorable to least favorable for all three of the locations analyzed.

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Figures

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Fig. 1

The AquaBuOY WEC [8]

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Fig. 2

The Preproduction prototype Pelamis [8]

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Fig. 3

The WaveDragon WEC [8]

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Fig. 4

Tofino/Ucluelet Promethee I Partial (a) and Promethee II (b) Complete Rankings

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Fig. 5

Hibernia Oil Platform Promethee II complete (a) and I partial (b) rankings

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Fig. 6

St. John's Promethee II complete (a) and I partial (b) rankings

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Fig. 7

Final weighting used for each of the criterion previously defined

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Fig. 8

(a) PROMETHEE II and (b) PROMETHEE I rankings for each site using the final weighting

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