The Energy Yield Assessment (EYA) Specialist will be the Technical Lead on all aspects related to assessing the expected energy input and output of projects during the development, pre-construction, and operational phases. Reporting to the Engineering Director, the EYA Specialist will play a critical role in providing input to both preliminary site assessment during the earlier stage development activities, and technical due diligence (TDD) for the acquisition of ready-to-build projects. EYA Specialist activities will expand in the pre-operation and operational phases to lead on performance assessment, provisional, intermediate, and final acceptance certificate (PAC/IAC/FAC). The role will contribute to the formation of an EYA and performance assessment function within Engineering by creating processes and procedures.

What you’ll be doing:

Provide EYA expertise during early development, acquisition, and operational phases of solar PV and, optionally, onshore wind projects.
Lead on all EYA-related topics during project acquisition.
Critically assess third-party EYA reports, ensuring that methodologies, assumptions, and outputs meet internal standards and industry best practices.
Confirm financial model assumptions and advise on risk and mitigations.
Liaise with consultants, sellers, lenders, and internal teams to align expectations, clarify technical queries, and ensure transparency and consistency in yield assumptions.
Hands-on support during earlier development stages.
Provision of EYA studies and modelling using bankable tools such as PVSyst software.
Lead performance assessment activities of pre-operational and operational projects, PAC, IAC, and FAC processes.
Establish processes and procedures for the EYA assessment for all the phases in coordination with Project Management Office (PMO) function.
Support commercial functions with the definition of scope of work and employer requirements of relevant contracts
Identify inconsistencies, data gaps, or methodological flaws in yield assessments and flag potential risks to project performance or bankability.
Challenge counterparties and support financial and contractual transactions.
Maintain a structured review process and formally sign off on EYA deliverables for use in investment decisions, grid applications, and EPC contracting.
Establish the Company’s contractual requirements.
Keep up to date with emerging trends and technologies in the field of renewable energy and energy yield assessments best practices, standards and regulations.
Participate in industry events representing the Company.

What you’ll need:

Background in solar PV EYA function. Additional onshore wind EYA experience highly desirable.
Core expertise in energy yield modelling and related standards and state-of-the-art software. Experience with bankable solar PV modelling software.
3+ years of industrial experience as an energy yield specialist in the field of solar PV projects matured within consultancies, developers or operators in the renewable energy sector.
Experience with technical due diligence processes of solar PV and onshore wind projects.
Ability to capture the opportunities provided by a changing digital landscape and implement effectively methodologies and IT solutions.

Desirable

• Master’s degree in physics, engineering, mathematics or equivalent.

• Consultancy background and direct provision of TDD services.

• Experience with project operational analysis and optimisation.

• Experience with onshore wind EYA.

• Proficiency with PVSyst software.

• Experience with utility-scale BESS projects.

Who we’re:

We’re a leading international investor with roots in infrastructure and construction projects. Operating with the highest ethical standards and has a reputation for delivering projects on time, we have a history of 65 years. With an annual revenue level of around Euro 1bn level, we operate in several jurisdictions from Poland, Turkey, UK, Sweden, Romania, India and Philippines. Gülermak has recently completed its IPO process in Borsa Istanbul, floated 12% of its shares and raised Euro 125m recently.

Renewables & PPP business is highly important and separately managed division with its HQ in London to secure a future-proof business with stable and predictable cash flows. The division has recently closed non-recourse financing of a PPP tramline project in Poland and raised funding from multilaterals and lenders up to Eur 200m level. The UK company will act as the divisional HQ under which all renewable and PPP assets will be consolidated.

What we'll offer you:

Competitive salary based on experience.
Hybrid working environment.
Supportive and dynamic workplace culture
Professional development opportunities
Opportunity to work in a challenging, international, and global-scale environment.

Gulermak Renewables

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Energy Yield Assessment Specialist