OES-Environmental distributes metadata forms (questionnaires) to solicit information from developers involved in environmental monitoring around marine renewable energy project sites around the world. This page provides project descriptions, baseline assessment, post-installation monitoring, and links to available data and reports. Content is updated on an annual basis.

Site d' Expérimentation en Mer pour la Récupération de l'Energie des Vagues (SEM-REV)

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Project Site OES-Environmental

Title: Site d' Expérimentation en Mer pour la Récupération de l'Energie des Vagues (SEM-REV)
Start Date:
January 01, 2009
Country:
Info Updated:
January 16, 2017
Site d' Expérimentation en Mer pour la Récupération de l'Energie des Vagues
Project Status: 
Test site operational
Technology: 
Wave & floating offshore wind energy devices
Project Scale: 
Full scale grid connected wave and wind energy test site
Installed Capacity: 
8 MW (grid connected)
Description: 

The test site occupies approximately a 1 km2 test zone area and is fully instrumented and monitored. The test site will comprise a 8 MVA power cable connected to the national grid through a new 20kV onshore substation to the local electricity distribution grid ENEDIS. The SEM-REV is a fully fitted wave and wind energy test facility intended to test and improve the efficiency of Wave Energy Converters (WEC) and Floating Wind Turbines (FWT) at a prototype stage of development. The facilities for monitoring and controlling the systems are currently available at the site. Optical fibers are included in the export cable for data transmission and for control of MRE. A subsea multi connection system has been installed in 2015 with the first dynamic cable to prepare the tests of the first FWT and the first WEC during 2017.

 

Project Support: Regional Development Programme (CPER) 2007-2013 “Alternative Energy & Research” Scheme (about 15 M€ of funding) and the so-called PIA National Funding activated from 2014-2019.

Location: 

The site is located 20 kilometers from the north coast of Le Croisic in Pays de la Loire, France (west coast). Water depth is 36m LAT with a tidal variation of 5m.

Project Timeline: 

The test site has been operational since the consents were been approved in July of 2011 for WEC and in March of 2014 for floating wind and hybrid technologies. Full electrical connection was finalized in October of 2012. The subsea hub connection system was launched in mid-2015.

Licensing Information: 

Concession on the maritime public domain (accepted July 2011 and confirmed January 2014). Permitting process completed for multi-technologies in 2014.

Key Environmental Issues: 

Physical characteristics: waves, currents, winds, water level, tides, geophysics, geotechnics, geology and hydrogeology, geomorphology and bathymetry. Water quality. Biological medium. Protected sensitive areas. Landscape. Uses and activities.

 

Several surveys have been carried out. Here are a few examples:

  • Point measurements of waves and currents surrounding wave energy test sites
  • Surveys of marine invertebrates around test sites
  • Benthic sediment studies at test sites
  • Monitoring sites of national heritage
Site d' Expérimentation en Mer pour la Récupération de l'Energie des Vagues (SEM-REV) is located in France.

Baseline Assessment: Site d' Expérimentation en Mer pour la Récupération de l'Energie des Vagues (SEM-REV)

ReceptorStudy Description Design and Methods Results Status
  • Physical Environment

Waves, current and wind fields analyses

Waves statistics model. Weather down prediction for marine operation. Resource prediction

On site measurements data since 2009.

Metocean specifications for prototypes design.

Underway
  • Benthos

Impact of cables and mooring systems on marine life.

Biofouling development

Survey methodology to follow impact of MRE components (mainly high power cables)

Protocol to quantity biofouling (in space and time)

Specific subsea monitoring system (MOSAIC) for permanent measurements and observations.

Report on biofouling development on SEMREV

Underway
  • Large Vertebrates

Noise impact of prototypes

Estimation of existing acoustic ambiance using hydrophone and acoustic modelling

Not available

Planned
  • Birds

Study done for the Environmental Impact Assessment (permitting process)

Use of global study results done by EDF-EN for wind power fam developed near SEMREV

Not available

N/A
  • Marine Uses

Marine traffic surveillance and safety procedures

Marine traffic statistics, Accident statistics, Risk analysis modelling

Not available

Underway
Reports and Papers

 

Research

Collaborative projects (EU and French Projects):

MOREDATA (wave and current statistics),

FLOATGEN (floating wind turbine protoptype),

OMDYN (health  monitoring of dynamic cables),

ABIOP (biofouling development and impact on MRE components),

FORESEA (tests of MRE components in real conditions)

Post-Installation Monitoring: Site d' Expérimentation en Mer pour la Récupération de l'Energie des Vagues (SEM-REV)

ReceptorMonitoring Program Description Design and Methods Results Status
  • Physical Environment

Waves, current, wind, chemical properties of sea water, sediment transportation

In-situ measurements system (SEA-MON). Numerical models

Reports of research projects.  Meteocean data base.

Underway
  • Benthos

Marine life observation. Biofouling development  

Survey, videos and measurements. Prediction models.

Data base and predictive model for MRE components design

Underway
  • Fish and Fisheries

Initial state to EIA. Permanent relation with fishermen organism in France

Environmental act

Report included in the SEMREV EIA

Underway
  • Large Vertebrates

Initial state to EIA

Environmental act

Provided in the SEMREV EIA report

Underway
  • Birds

Initial state to EIA

Environmental act

Provided in the SEMREV EIA report

Completed
  • Marine Uses

Initial state to EIA

Environmental act

Provided in the SEMREV EIA report

Completed
Reports and Papers

Reports are not publically available (issued in the context of consortium agreements)

Research

EU projects: SOWFIA, MARINA PLATFORM, MARINET, MOREDATA, FLOATGEN, FORSEA

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