An Evaluation of the U.S. Department of Energy's Marine and by National Research Council, Division on Earth and Life

By National Research Council, Division on Earth and Life Studies, Ocean Studies Board, Division on Engineering and Physical Sciences, Board on Energy and Environmental Systems, Marine and Hydrokinetic Energy Technology Assessment Committee

Expanding renewable strength improvement, either in the usa and overseas, has rekindled curiosity within the capability for marine and hydrokinetic (MHK) assets to give a contribution to electrical energy iteration. those assets derive from ocean tides, waves, and currents; temperature gradients within the ocean; and free-flowing rivers and streams. One degree of the curiosity within the attainable use of those assets for electrical energy iteration is the expanding variety of allows which were filed with the Federal strength Regulatory fee (FERC). As of December 2012, FERC had issued four licenses and eighty four initial allows, up from nearly 0 a decade in the past. even though, each one of these allows are for advancements alongside the Mississippi River, and the particular profit discovered from all MHK assets is very small. the 1st U.S. advertisement gridconnected venture, a tidal undertaking in Maine with a ability of lower than 1 megawatt (MW), is presently providing a fragment of that energy to the grid and is because of be absolutely put in in 2013.

As a part of its review of MHK assets, DOE requested the nationwide study Council (NRC) to supply unique reviews. In reaction, the NRC shaped the Committee on Marine Hydrokinetic power know-how overview. As directed in its assertion of activity (SOT), the committee first constructed an period in-between document, published in June 2011, which keen on the wave and tidal source checks (Appendix B). the present record includes the committee's review of all 5 of the DOE source different types in addition to the committee's reviews at the total MHK source evaluate method. This precis makes a speciality of the committee's overarching findings and conclusions concerning a conceptual framework for constructing the source tests, the aggregation of effects right into a unmarried quantity, and the consistency throughout and coordination among the person source checks. evaluations of the person source overview, extra dialogue of the sensible MHK source base, and overarching conclusions and suggestions are defined in An evaluate of the U.S. division of Energy's Marine and Hydrokinetic source Assessment.

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Additional resources for An Evaluation of the U.S. Department of Energy's Marine and Hydrokinetic Resource Assessments

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Environmental constraints related to quantifying the practical resource include issues such as protecting threatened species or ecologically sensitive areas. Other use issues include sea–space conflicts raised by, for instance, shipping channels, navigation, and military considerations and multiple- or competing-use issues such as fisheries or recreation. Such filters are, by nature, specific to the local sites where decisions related to MHK projects will be made. The practical filters can greatly influence the timing of the permitting process and can lead to unpredictable consequences, which in turn can affect a project’s economic viability.

All rights reserved. S. Department of Energy's Marine and Hydrokinetic Resource Assessments Prepublication Draft – Subject to Further Editorial Correction developed by the tidal resource assessment group was well designed and executed, and it allows for downloading of the tidal modeling results for further analysis by knowledgeable users. Based on the final assessment report, the assessment group produced estimates of the total theoretical power resource. However, this was done for complete turbine fences, which essentially act as barrages.

S. 5 No final report was available for review from the ocean currents resource assessment group; its report is expected to be complete by June 2013. Instead, the committee based its evaluation on presentations from and discussions with the assessment group. ProductId=000000000001026880. 1-13 Copyright © National Academy of Sciences. All rights reserved. S. Department of Energy's Marine and Hydrokinetic Resource Assessments Prepublication Draft – Subject to Further Editorial Correction 2 Tidal Resource Assessment Ocean tides are a response to gravitational forces exerted by the Moon and the Sun.

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