Fully remote - (WA/MEL/SYD/BNE)

About the Role

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.

Key Responsibilities

- Develop, maintain, and enhance detailed financial models for utility-scale BESS projects from early-stage development through to financial close.
- Build integrated project finance models incorporating revenue forecasts, capital expenditure, operating costs, financing structures, taxation, and project cash flows.
- Evaluate project economics using metrics including IRR, NPV, DSCR, LCOE, payback period, and equity returns.
- Perform scenario, sensitivity, and Monte Carlo analysis to assess key commercial and technical risks.
- Analyse multiple revenue streams including:
- Frequency Control Ancillary Services (FCAS)
- Energy arbitrage
- Capacity markets (where applicable)
- Network support services
- Wholesale electricity market participation
- Assist with project acquisitions, due diligence, and valuation of renewable energy assets.
- Support negotiations with lenders, investors, and strategic partners by preparing financial analyses and responding to commercial queries.
- Monitor market trends including electricity prices, renewable energy policies, AEMO market developments, and financing conditions.
- Continuously improve financial modelling methodologies, templates, and internal modelling standards.

Skills & Experience





- Bachelor's degree in Finance, Economics, Commerce, Engineering, Mathematics, or a related discipline.
- 3–8+ years' experience in financial modelling, project finance, investment analysis, infrastructure, renewable energy, or energy markets.
- Advanced Microsoft Excel modelling skills with the ability to build complex financial models from first principles.
- Solid understanding of project finance concepts, discounted cash flow (DCF) valuation, and infrastructure investments.
- Experience analysing utility-scale renewable energy, BESS, solar, wind, transmission, or infrastructure projects is highly desirable.
- Knowledge of Australian electricity markets, including the National Electricity Market (NEM), is advantageous.
- Familiarity with debt financing structures, equity returns, and infrastructure investment metrics.
- Strong analytical and problem-solving skills with exceptional attention to detail.
- Excellent communication skills with the ability to explain complex financial outcomes to both technical and non-technical stakeholders.

Desirable Experience

- Experience modelling utility-scale BESS or renewable energy projects.
- Understanding of merchant electricity markets and revenue forecasting.
- Exposure to project financing and financial close processes.
- Knowledge of AEMO market mechanisms and ancillary service markets.
- Experience with Python, VBA, Power BI, or other analytical tools is advantageous.
- Previous experience within renewable energy developers, infrastructure funds, investment banks, advisory firms, IPPs, or project finance teams.

Interested applicants please reach out to Lionel Lim for more information.

📌 Financial Modeller - BESS (remote) (Sydney)
🏢 Brunel
📍 Sydney