Job Description
We are seeking a commercially minded Financial Modeller to support the development and investment evaluation of utility-scale Battery Energy Storage System (BESS) projects across Australia. Reporting to the Vice General Manager, you will play a critical role in assessing project viability, supporting investment decisions, and optimising project economics throughout the development lifecycle.
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Key Responsibilities
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Develop, maintain, and enhance detailed financial models for utility-scale BESS projects from early-stage development through to financial close.
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Build integrated project finance models incorporating revenue forecasts, capital expenditure, operating costs, financing structures, taxation, and project cash flows.
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Evaluate project economics using metrics including IRR, NPV, DSCR, LCOE, payback period, and equity returns.
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Perform scenario, sensitivity, and Monte Carlo analysis to assess key commercial and technical risks.
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Frequency Control Ancillary Services (FCAS)
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Energy arbitrage
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Capacity markets (where applicable)
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Network support services
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Wholesale electricity market participation
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Assist with project acquisitions, due diligence, and valuation of renewable energy assets.
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Support negotiations with lenders, investors, and strategic partners by preparing financial analyses and responding to commercial queries.
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Monitor market trends including electricity prices, renewable energy policies, AEMO market developments, and financing conditions.
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Continuously improve financial modelling methodologies, templates, and internal modelling standards.
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Skills & Experience
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Bachelor's degree in Finance,



Economics, Commerce, Engineering, Mathematics, or a related discipline.
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3–8+ years' experience in financial modelling, project finance, investment analysis, infrastructure, renewable energy, or energy markets.
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Advanced Microsoft Excel modelling skills with the ability to build complex financial models from first principles.
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Strong understanding of project finance concepts, discounted cash flow (DCF) valuation, and infrastructure investments.
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Experience analysing utility-scale renewable energy, BESS, solar, wind, transmission, or infrastructure projects is highly desirable.
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Knowledge of Australian electricity markets, including the National Electricity Market (NEM), is advantageous.
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Familiarity with debt financing structures, equity returns, and infrastructure investment metrics.
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Robust analytical and problem-solving skills with exceptional attention to detail.
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Excellent communication skills with the ability to explain complex financial outcomes to both technical and non-technical stakeholders.
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Experience modelling utility-scale BESS or renewable energy projects.
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Understanding of merchant electricity markets and revenue forecasting.
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Exposure to project financing and financial close processes.
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Knowledge of AEMO market mechanisms and ancillary service markets.
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Experience with Python, VBA, Power BI, or other analytical tools is advantageous.
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Previous experience within renewable energy developers, infrastructure funds, investment banks, advisory firms, IPPs, or project finance teams.
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Interested applicants please reach out to Lionel Lim for more information.
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📌 Financial Modeller - Bess (Remote) (New South Wales)
🏢 Brunel
📍 New South Wales