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RUDORA

  • When wind data drives investment, assumptions matter.

    RUDORA (RdR) supports developers, investors, lenders, and consultancies with independent, bank‑grade review of wind energy yield assessments.


    From site selection to financial close, RdR applies truth‑seeking analysis, standards‑aligned QA, and independent challenge to ensure wind assessments remain defensible under technical and financial scrutiny.

    About RdR
    Solutions

  • Transforming wind data into bank-grade decisions you can trust.

    Elevating excellence, together.


    From site selection to financial close, RdR applies truth‑seeking analysis, standards‑aligned QA, and independent challenge to ensure wind assessments remain defensible under technical and financial scrutiny.

    About RdR
    Solutions

Our Focus

RdR improves the credibility of wind energy yield assessments before they are relied upon for investment, lending, or strategic decisions.

Independent Technical Challenge

We independently review modelling workflows, assumptions, and uncertainty treatments, acting as a critical counterbalance to delivery‑driven assessments.

Bank‑Grade Quality Assurance

Our reviews align with IEC and financing expectations, focusing on traceability, uncertainty budgets, and decision relevance rather than report volume.

Support Across the Project Ecosystem

RdR works directly with developers, investors, and lenders, and is frequently engaged by established consultancies as an independent reviewer or specialist subcontractor.

RdR complements full‑service consultancies by providing independent scrutiny where objectivity and depth matter most.

Solutions

Bank-Grade Technical Services

Transparent, standard-aligned assessments that strengthen project and financing decisions with independent expertise.

Advisory & Technical Enablement

Practical guidance and training to modernise workflows, align with FGW/IEC standards, and build internal capability.

Curated Partner 
​Solutions​

Tailored, multi-disciplinary project support delivered through a trusted expert network under RdR’s quality lead.

Applied Technology & Prototyping

Structured pilot programme for tool development and automation — driven by internal needs and client demands.

Memberships

RUDORA GmbH (RdR) is a member of the Bundesverband WindEnergie e.V. (BWE)

Insights

​​​​Information

RUDORA GmbH (RdR) creates impact in wind energy digitalisation through collaborative excellence, driving innovation with purpose. 

RdR achieves this by delivering bank-grade review of energy yield assessments and expert-led guardrails, fostering a collaborative ecosystem of vetted partners, and pursuing pragmatic digital innovation.  For developers, financiers, and consultants, RdR provides the clarity to make confident, data-driven decisions. RdR's work is rooted in transparency, rigorous adherence to industry standards, and a commitment to auditable, modern workflows. 

More than a service provider, RdR serves as a dedicated partner that strengthens client capabilities and advances the energy transition together.

RUDORA GmbH (RdR) envisions a sustainable, decentralised energy sector powered by wind, where investment-grade decisions rest on reproducible Energy Yield Assessments (EYAs) and open standards, and where methodological transparency is balanced with client confidentiality.

 

RdR works toward a sector defined by healthy coopetition rather than restrictive hierarchy: players that collaborate to expand the market and compete on merit, accelerating innovation for the collective good. As an independent partner, RdR supports confidentiality-first, selectively verifiable data exchange and results that others can reproduce, backed by clear audit trails. The focus is practical outcomes: faster learning cycles, lower uncertainty, and alignment with recognised standards (FGW TR6, IEC 61400-15, and the IEC 61400-50 suite). 


By aligning incentives over the long term, RdR uses purpose-built tools to deliver rigorous, independent analysis, keeping the work clear, verifiable, and confidential when it matters most.

About the founder: A grounded approach to wind energy

RUDORA GmbH (previously OWnD, now RdR) was founded in Berlin by Ahmet Okan Sargin, a specialist engineer with more than 18 years of experience in the wind energy sector. He has contributed to the evaluation of over 300 GW of onshore and offshore projects worldwide, providing precise, standards-aligned technical assessments that support development and financing decisions.


Focus on a new model
After leadership roles at international consultancies, Okan recognised the need for a more agile model: a lean, founder-led practice that operates as a central expert hub. RdR assembles tailored EYA teams through a trusted partner network, ensuring the right expertise for each challenge.


Collaboration and pragmatic innovation
RdR is built on the belief that complex challenges are solved best through collaboration. The practice combines independent expertise with digital efficiency, leveraging automation and open-source tools to reduce processing times, enhance accuracy, and increase reproducibility.


Bridging practice and research
To remain at the forefront of industry methods, Okan complements his consulting work with a part-time research role at Fraunhofer IWES. With a strict separation of intellectual property, this link to fundamental research ensures that RdR’s practical solutions are grounded in rigorous, first-principles thinking and deliver defensible outcomes for clients and partners.


Foundation

18+ years of experience

18+ Years of Experience

5+ governmental support projects

5+ Governmental Support Projects

45 GW+ 3rd party review

45 GW+ 3rd Party Review 

150+ number of projects

150+ Number of Projects

150 GW+ independent EYA

150 GW+ Independent EYA