Tethys Stories

Tethys Stories feature information on news, events, research, and projects relevant to wind and marine renewable energy development activities across the globe. Stories are contributed from individuals working in the field, and provide insight into advancing the energy industry in an environmentally responsible manner. If you are interested in providing content to be featured as a Tethys Story, please email jonathan.whiting@pnnl.gov.


Posted By: Luke Hanna On: February 19, 2013 | 0 Comments
In addition to the new publicly accessible Annex IV information and data on Tethys, the recently released Final Annex IV Report is also available through Tethys. The Annex IV report contains three case studies of specific interactions of ocean energy devices with the marine environment that survey, gather and analyze the best available information in one coherent location. The report also provides a synopsis of the Annex IV process, including its achievements over the past three years, summaries of both experts’ workshops, and an overview of the Tethys database and use of metadata forms. The... Read More
Posted By: Luke Hanna On: January 22, 2013 | 0 Comments
Last month, the DOE Wind Program announced funding to seven Advanced Technology Demonstration offshore wind projects. Totaling $168 million over six years, the primary goal of these projects are to expedite the deployment of stronger, more efficient and innovative offshore wind power technologies performance while lowering costs. Additionally, the seven demonstrations will help address key challenges associated with installing utility-scale offshore wind turbines, connecting offshore turbines to existing power grids, and navigating new permitting and approval processes.   Each demonstration... Read More
Posted By: Brian Polagye On: December 07, 2012 | 0 Comments
Since this is a blog, blogging about another blog would seem to be fair game. As is the case for environmental MHK research, technology research is also published in a wide range of journals and conference proceedings. Consequently, it can be difficult to stay abreast of the latest technology developments. In January, 2012, Alison Labonte began to aggregate new publications in technology development, economics and resource assessment. In mid-2012, and Mike Spray made this list of papers publically viewable at: https://mhktechpapers.wordpress.com/.   This blog acts as a virtual journal for MHK... Read More
Posted By: Davide Magagna On: December 04, 2012 | 0 Comments
The SOWFIA project is a three year project funded by Intelligent Energy Europe (IEE) that brings together ten partners from across Europe who share an interest in planning for wave farm developments.   Wave energy is an innovative and developing technology that could contribute to meeting EU green energy goals and climate change mitigation targets. However, technological and administrative hurdles still need to be overcome in order to establish wave energy as a viable and reliable energy source. A particular issue experienced in the development of the technology across Europe is the lack of... Read More
Posted By: Luke Hanna On: November 02, 2012 | 0 Comments
On October 15, 2012, Pacific Northwest National Laboratory (PNNL) and the U.S. Department of Energy (DOE) hosted the second Ocean Energy Systems (OES) Annex IV Experts’ Workshop in Dublin, Ireland on the environmental effects of marine renewable energy.   The Annex IV expert workshop brought together 52 researchers, developers and regulators from 9 OES member nations to review the products of the Annex IV project and discuss the possible next steps beyond the initial 3-year effort. The workshop was organized to attain feedback on both the Annex IV database, a web-based knowledge system of... Read More
Posted By: Luke Hanna On: August 27, 2012 | 0 Comments
Since 1980, the North Atlantic Right Whale (Eubalaena glacialis) population has experienced a rapid decline, mainly due to fishing gear entanglements and collisions with shipping vessels.  Prior to 1980 the whaling industry also took its toll on the whales; the North Atlantic Right Whale (NARW) population size is now estimated to be 300-350 individuals and faces a serious threat of extinction. The Wind Energy Areas (WEAs) planned in the Atlantic by the Department of Interior will coincide with stretches of the NARW north-south migratory from the Gulf of Maine to the coasts of Georgia/Florida... Read More
Posted By: Andrea Copping On: April 02, 2012 | 0 Comments
Twice each year, east Pacific gray whales (Eschrichtius robustus) swim between their breeding grounds in Baja California and their main feeding areas in the Bering Sea. This round-trip swim of about 15,000 to 20,000 km (8100 to 10,800 nmi) is one of the longest known migrations by a mammal (Shelden et al. 2004). The whales’ migration route is somewhat unusual because it follows very close to the shoreline. This proximity to shore allows scientists to study the migration and permits the general public to observe a large critter. However, the placement of wave parks, such as those proposed for... Read More
Posted By: Andrea Copping On: February 01, 2011 | 0 Comments
The purpose of this tool is to provide an easy to use, all inclusive tool to examine the environmental effects of offshore wind development. The goal being to streamline and facilitate the siting and permitting of offshore wind farms in the U.S. The Zephyrus tool will identify the highest environmental risks by 1) providing a science-based system to evaluate risk information, and making that information available to all parties; 2) developing risk analysis tools and applying them to identify environmental risks associated with offshore wind development; and 3) providing offshore wind... Read More

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