Great British Energy
Energy Yield Analyst
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Join Great British Energy and be part of powering the UK’s Clean Energy Future.
At GBE, we’re not just building an energy company – we’re shaping the future of the UK’s energy landscape.
Our mission is clear:
- Drive clean energy deployment across the UK as a strategic developer, investor, and owner of renewable projects
- Deliver benefits for communities and taxpayers, ensuring the clean energy transition creates jobs, boosts local economies, and increases public ownership
- We focus on innovation, sustainability, and impact, working on projects that matter – from large-scale national renewable investments to empowering local and community energy initiatives.
Joining GBE means:
- Purpose-driven work: Be part of a national effort to accelerate the clean energy transition
- Career growth: Opportunities to develop expertise in cutting-edge energy technologies and strategic investment
- Collaboration and flexibility: Work with passionate professionals in a dynamic, forward-thinking environment
If you want to make a real difference and help power a greener, fairer future for the UK, GBE is the place for you.
We welcome applications from all backgrounds and communities. If you require reasonable adjustments during the recruitment process, please let us know.
About the Role:
Great British Energy is looking for an Energy Yield Analyst to join our GBE Onshore Energy Team. This role will play a key part in contributing to projects, objectives, and wider organisational goals.
The Energy Yield Analyst is accountable for the overall success of portfolio energy performance and for providing leadership on the analytical decisions and assumptions used in the design of GBE renewable assets. Utilising deep technical knowledge, this role is responsible for delivering high-quality analytical data that underpins the development, investment, and delivery of renewable energy projects, including onshore wind, solar PV, and battery energy storage systems (BESS).
The role spans all project lifecycle stages (Initiation → Feasibility → Development → Definition & FID → Execution → Operations) and provides data-driven support across energy yield assessment, commercial viability, system integration, and portfolio optimisation.
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The Energy Yield Analyst works closely with Development, Engineering, Commercial, and Investment teams to inform key decisions relating to project selection, design optimisation, investment cases, and operational performance.
Key Responsibilities:
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Energy Yield & Resource Analysis
- Develop and maintain energy yield models for onshore wind (wind resource, wake losses, turbine performance), solar PV (irradiance, degradation, performance ratios), and BESS (dispatch profiles, duration optimisation, revenue stacking)
- Assess long-term generation forecasts (P50 / P75 / P90 scenarios)
- Analyse losses, curtailment risk, and grid constraints
- Lead selection of technology configurations and layout optimisation
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Commercial & Investment Analysis
- Manage Financial Model inputs including energy production assumptions, degradation profiles and availability assumptions, and capture price and market assumptions
- Conduct sensitivity analysis (power price, curtailment, performance)
- Manage investment cases (e.g. Gate/FID papers) with analytical evidence
- Benchmark project performance against market data and prior portfolio assets
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BESS Strategy & Optimisation
- Model BESS operational strategies including arbitrage and peak-shifting, and ancillary services (frequency response, balancing)
- Assess optimal system size, power/energy ratios, and duration
- Analyse co-location benefits with wind/solar assets (e.g. grid export optimisation)
- Work with Project on evaluation of revenue stacking opportunities and risks
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Data Analysis & Modelling
- Build, maintain and manage analytical tools and models (Excel, Python, or equivalent)
- Integrate multiple datasets such as weather and resource data, grid and constraint data, and market and pricing data
- Perform scenario modelling and portfolio-level analysis, e.g. deploying CFD modelling and other specialist tools, e.g. BoxKite, WindPro
- Accountable for data quality, consistency, and auditability
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Grid & System Analysis
- Work with the Grid Manager to analyse grid connection constraints and export limitations
- Assess the impact of curtailment, connection delays, and network reinforcement assumptions
- Work with Project on optimisation of hybrid systems (wind + solar + BESS)
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Development & Delivery Support
- Lead analytical analysis during site screening and feasibility studies, concept and FEED design, and procurement and contracting (performance assumptions)
- Interface with Engineering and Procurement teams on technical assumptions
- Manage contractors conducting on-site energy measurements, e.g. Wind Measurement by Met Mast, LiDAR, SoDAR
- Work with Construction on commissioning and post-COD performance validation
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Portfolio Performance & Reporting
- Monitor operational asset performance against forecast
- Identify performance gaps and improvement opportunities
- Produce dashboards and reports for development management, project governance, investment committees, board reporting, and external stakeholders
Qualifications and Experience:
Essential
- Experience:
- Experience in energy analysis, modelling, or a similar quantitative role
- Strong understanding of onshore wind, solar PV, and battery energy storage systems (BESS)
- Advanced Excel skills, including financial and technical modelling
- Familiarity with energy data analysis tools such as Python, MATLAB, and GIS
- Understanding of UK energy market fundamentals, including Contracts for Difference (CfD), power markets, and grid constraints
Desirable
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Experience:
- Wind modelling tools (e.g. Boxkite, WindPro, WAsP)
- Solar modelling tools (e.g. Glint Solar, PVsyst)
- BESS modelling platforms or dispatch tools
- Knowledge of UK grid connection process and constraint regimes
- Knowledge of financial models or investment appraisal
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Qualifications:
- Degree in Engineering, Physics, Mathematics, Energy Systems, or related discipline
- Postgraduate qualification (MSc) in Renewable Energy or similar (desirable)
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