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Your offshore wind partner for

TECHNICAL ADVISORY
& SOLUTION-DRIVEN ENGINEERING

Contact us
Learn More
1

Early Development & Feasibility Assessment

2

Planning & Design

3

Construction & Installation

4

Operations & Maintenance

5

Repowering & Decommissioning

Idea to Permit
Idea to Permit
From initial concept through feasibility to planning and design approval
Design to Delivery
Design to Delivery
Complete project execution from detailed design through construction
Operations to Repowering
Operations to Repowering
Long-term asset management and end-of-life optimization
Merger & Acquisitions
Merger & Acquisitions
Strategic advisory services across all project phases

Supporting offshore wind projects across the entire value chain

Elbe1 is an independent technical advisory firm based in Hamburg and part of the SeaRenergy Group. We support offshore wind and renewable energy projects worldwide – combining regulatory expertise with solution-driven engineering. With experience from more than 40 international projects, we provide advisory and project support at every stage of the value chain.

Auction & permitting strategies

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Owner’s Engineering & technical project management
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Technical Due Diligence for investors and operators
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Certification & permit documentation
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Interface & stakeholder coordination
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Engineering value into energy. Driving renewable transformation. 

Elbe1 has contributed to more than 40 offshore wind projects in key markets including Germany, the UK, the Netherlands, Poland, Taiwan, and the US. As an independent technical advisor, we connect regulatory frameworks with engineering practice to provide reliable support in complex project environments. As part of the SeaRenergy Group, Elbe1 is embedded in a network that covers the entire offshore wind value chain, enabling integrated support when needed.

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permitting approvals  securing faster market entry
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major energy projects Reducing complexity & risk

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years experience   Dedicated to offshore wind

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countries                                  Proven global project reach

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experts       Advisory & engineering in-house

Our references

Selected projects we are part of

View all References

BC Wind – Offshore Wind Farm

See Project

Pentland Floating: Consultancy

See Project

Hohe See & Albatros: Owner’s Engineering

See Project

Taiwan Offshore Wind Projects: Project Certification Management

See Project

Baltic Power OWF: Consultancy

See Project

BC Wind – Offshore Wind Farm

See Project

Exhibitons & Conferences

Come and meet us at upcoming industry events

Asia Offshore Wind Day

Asia Offshore Wind Day

Tokyo
16 März
Wab WINDFORCE Conference

Wab WINDFORCE Conference

Bremerhaven
18 März

–

19 März 2026
PowerConnect Energy Summit

PowerConnect Energy Summit

Gdańsk
18 März

–

20 März 2026
WindEurope

WindEurope

Madrid
21 April

–

23 April 2026
Zukunftskonferenz Wind & Maritim

Zukunftskonferenz Wind & Maritim

Rostock
05 Mai

–

06 Mai 2026
Hamburg Offshore Wind Conference

Hamburg Offshore Wind Conference

Hamburg
15 April
BWO Logo

Zukunft Offshore

Berlin
20 Mai

–

21 Mai 2026
WEI Energy Ireland Logo

WEI Offshore Wind Conference

Dublin
26 Mai

–

27 Mai 2026
PWEA 2026 Conference

PWEA 2026 Conference

Świnoujście
09 Juni

–

11 Juni 2026
Windmesse Symosium

Windmesse Symposium

Hamburg
28 April
Global Offshore Wind Logo

Global Offshore Wind

Manchester
16 Juni

–

17 Juni 2026
Wirtschaftsforum Offshore Wind

Wirtschaftsforum Offshore Wind

Sylt
27 August

–

28 August 2026
WindEnergy Hamburg

WindEnergy Hamburg

Hamburg
22 September

–

25 September 2026
Logo Offshore Energy

Offshore Energy Exhibition & Conference

Amsterdam
24 November

–

25 November 2026
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How can we help?
Let's talk

Need assistance? Let’s connect! Whether you have questions, feedback, or just want to chat, we’re here to help. Reach out to us and let’s start the conversation today.

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+49 (0)40 80 81 72 100

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© Copyright 2025 – Elbe1 GmbH

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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.