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Owners Engineering & Technical Consultancy

Con4Mare is a Certification Body for the scope of project certification for offshore projects, delivering impartial and comprehensive evaluations and conformity assessments. We ensure compliance with all necessary industry standards, guaranteeing the integrity, safety and success of offshore projects.

Project certification of offshore wind farm projects

The conformity assessment includes all certification tasks in the lifetime of an offshore wind farm project. This covers site assessment and design review, manufacturing surveillance, transportation and installation (T&I) surveillance and commissioning surveillance. With these certification works it is ensured that the offshore structures meet all regulatory requirements and the project certificate can be issued. Certification needs in the operational phase can also be resolved in order to maintain the validity of the project certificate.

  • Innovative structural solutions incl. jackets, monopiles, floaters, and semi-submersibles.
  • Comprehensive structural design and engineering services, from conceptual to detailed engineering phases focusing on a safety-by-design philosophy.
  • Preparation of feasibility studies.
  • Verification of conformity in relation to national permitting requirements and offshore guidelines like DNVGL, NORSOK, DIN, ISO 19902, or API.
  • Comprehensive assessment of project viability, including technical, economic, and environmental factors.
  • Detailed analysis to identify potential challenges and optimize design solutions.
  • Accurate evaluation, simulation, and calculation of loads for marine and offshore structures.
  • Ensuring safety and stability through precise analysis and modeling software.
  • Advanced 3D and finite element (FE) modeling for detailed and accurate structural analysis by means of utilizing state-of-the-art engineering tools & software.
  • Enhancing design precision and assessment of design performance in relation to client’s & project’s needs.
  • Expertise in pile-soil interaction (PSI) for offshore structures.
  • Pile drivability studies to ensure efficient and secure installation of foundations.
  • Comprehensive engineering solutions, including load-out, transport, and installation procedures.
  • T&I engineering including solutions for the safe and efficient lifting of heavy offshore components.
  • Towing concepts for floating offshore wind structures.
  • Specialized design of sea fastening systems for secure transport of offshore structures.
  • Ensuring stability and safety during marine operations.
  • Comprehensive engineering solutions for maritime structures and vessels.
  • Expertise in hydrodynamics, structural integrity, and marine operations.
  • Tailored engineering solutions for the operational phase and maintenance of offshore assets.
  • Focus on enhancing efficiency, safety, and longevity of structures by means of developing operational procedures and/or post-construction designs.
  • Retrofit design campaigns to reinforce and improve existing structures.
  • Innovative solutions for floating offshore wind platforms, ensuring stability and performance.
  • Provision of naval architecture expertise for the design and analysis of floating structures.
  • Expertise in design reviews, load evaluations, stability calculations, and advanced hydrodynamics.

Since 2023, we have embedded sustainability concepts into our daily operations through an internal awareness initiative. This initiative includes educational materials, practical tips, insights on current topics, and interactive events such as the Green Kayak Tour or excursions on environmental topics. We also prioritize suppliers for after-work and customer events that incorporate ecological aspects, such as the “Energiebunker” in Hamburg Georgswerder. Our daily operations reflect our commitment to sustainability, from an electric company pool car and company bikes to sourcing sustainable electricity and gas. 

Vita Bennet Möller

Managing Director
Elbe1

Bennet Möller, Managing Director of Elbe1 since 2023, initially joined the company in 2016 as a Technical Project Manager. Throughout his professional career he has acquired extensive experience in renewable energy project development and construction across Europe, the US, and APAC regions, consulting on various aspects such as M&A, TDD, EPCI and compliance management  of offshore wind farms. He holds Bachelor’s and Master’s degrees in Industrial Engineering.

Vita Jelte-Steffen Hipp

Managing Director
Elbe1

Jelte-Steffen Hipp, Managing Director of Elbe1 since 2023, has more than 15 years of experience in renewable energy, demonstrated in several international engineering projects, as well as certification, service, and warranty cases. He holds a Master’s Degree in Sustainable Energy Systems from Chalmers (Gothenburg) and a Bachelor’s in Energy and Environmental Engineering from TU Hamburg. 

Vita Alexander Vogel

Managing Director
Con4Mare

Alexander, holding a diploma in Naval Architecture, has been Managing Director at Con4Mare since 2013. With over 15 years of distinguished experience in the offshore wind industry, he has led international projects in various roles, specializing in Marine Operations and Marine Warranty Survey. Additionally, Alexander is an authorized expert by HDT for cranes and lifting equipment, as well as in the examination of wire ropes in cranes

Vita Andreas Puls

Managing Director
Con4Mare

Andreas assumed the role of Managing Director at Con4Mare in 2023. Graduating with a degree in physics, specializing in material science, he shifted to project certification for offshore wind farms in 2011. With over a decade of experience across various positions, he has spearheaded numerous projects in certification.

Vita Hagen Heesch

General Manager, CTO
SeaRenergy

Hagen Heesch, founder and initial owner of Elbe1 GmbH, joined SeaRenergy in 2019 and was appointed as CTO (ppa) in early 2023, overseeing SeaRenergy’s engineering activities.

With a degree in Civil Engineering, he brings 15 years of offshore wind experience, specializing in design, certification, and permitting consultancy. Before his entrepreneurial career, he worked at DNV-GL.

Vita Natalia Kress

General Manager, COO
SeaRenergy

Natalia Kress joined SeaRenergy as General Manager (ppa) in 2017. In early 2023, she was appointed as COO at SeaRenergy, overseeing the Sales & Execution department.

She has 15 years of experience in the offshore industry, especially in the installation and operation phases of offshore wind farms with a particular focus on heavy lift vessels and O&M offshore logistics. 

Vita Jan Boje Steffens

Managing Director
SeaRenergy

Jan Boje Steffens is the co-founder of SeaRenergy. He has more than 30 years of experience in the shipping industry, especially in the segments of breakbulk, heavy lift, and project cargo.

 

Until 2012, Jan was CEO and Partner of the Rickmers Group. Thereafter, he took the post as Managing Director of SeaRenergy.

Johann Philipp - General Manager SeaRenergy

Vita Johann Philipp

General Manager 
SeaRenergy

Naval architect Johann Philipp joined SeaRenergy’s BorWin / HelWin Project Team in September 2011 as an engineering consultant. He formally joined SeaRenergy in January 2013 and became General Manager (ppa) in 2016. 

With more than 20 years’ experience in structural engineering, Johann possesses a wealth of knowledge in conceptual and detailed ship design issues, technical project planning, and marine warranty surveys.

Vita Beispiel

Managing Director
CEO

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Vita Johann Philipp

Managing Director
CEO

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Vita Benjamin Vordemfelde

Managing Director, CEO
SeaRenergy

Benjamin Vordemfelde joined SeaRenergy as Head of Business Development in 2013 and became Managing Director in 2014.

He has extensive corporate experience including 15 years of involvement in the shipping and media industries in the fields of Business Development, Investor Relations, Public Relations, and Asset Management.

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