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INTERNSHIP DETAILS

Intern Battery and Hybrid Valuation (f/m/d)

CompanyAxpo Group

LocationBaden

Work ModeOn Site

PostedMarch 25, 2026

Internship Information

Core Responsibilities

The intern will support daily valuations of battery and hybrid assets using in-house optimization tools, visualize results, and present outcomes to stakeholders. They will also improve the valuation workflow by contributing code, tests, and documentation to the Python-based toolchain.

Internship Type

intern

Company Size

4942

Visa Sponsorship

Language

English

Working Hours

40 hours

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About The Company

Axpo is driven by a single purpose – to enable a sustainable future through innovative energy solutions. Axpo is Switzerland's largest energy producer and an international leader in energy trading and the marketing of solar and wind power. Axpo combines the experience and expertise of more than 7,500 employees who are driven by a passion for innovation, collaboration and impactful change. Using cutting-edge technologies, Axpo innovates to meet the evolving needs of its customers in over 30 countries across Europe, North America and Asia. Around 7,500 employees work for Axpo in 150 different roles – this means a wide range of job entry and career opportunities for you. Bring along your knowledge, your enthusiasm and your dedication – and take charge. Visit our career website: www.axpo.com/career

About the Role

Workload: 100% | Place: Baden | Start date: flexibel, limited to 6 months

In this Internship you will work alongside experienced quantitative analysts in the day-to-day valuation business. After learning our processes and tools, you will rapidly support the team in producing valuations for battery and hybrid assets. You will also help improve and streamline the valuation workflow by contributing code, tests, and documentation to our Python-based valuation toolchain.

Tasks and responsibilities:

Support daily valuations of battery and hybrid assets using Axpo’s in-house optimization tools.

Visualize valuation results, prepare materials, and present outcomes to stakeholders.

Improve the valuation process by automating valuation reports for different asset combinations (e.g., BESS + wind/PV).

Generate market insights and summarize key findings for business developers.

What you bring & who you are:

Currently pursuing or recently completed degree in a quantitative field (e.g., mathematics, physics, engineering, computer science, energy science, quantitative finance).

Strong Python skills with a focus on data analytics; experience with code structuring and testing is a plus.

Familiarity with optimization, time-series analysis, mixed-integer linear programming (MILP), stochastic modelling, or numerical methods.

Solid understanding of/or strong motivation to learn about European power markets and storage assets.

Experience with git or similar version control; basic software engineering practices.
Nice to have: Experience with market data handling and APIs; basic SQL knowledge.

Nice to have: Exposure to valuation of optionality and battery optimization and backtesting.

Analytical, self-driven, and curious mindset with attention to detail and strong communication skills.

Fluency in English; German is a plus.

About the team:

Axpo’s Batteries & Hybrids division develops standalone and co-located (hybrid) battery energy storage systems (BESS) across Europe and optimises battery assets in collaboration with other Axpo teams. The Optimisation team provides market scheduling algorithms for business case valuations and batteries in operation.

Benefits:

At our company, we strive to create a culture of continuous learning, personal growth, and inter- national community involvement. We're passionate about providing our employees with the tools and resources they need to succeed, and we're confident that you'll love being part of our team!

Working Hours
Enjoy flexible working hours and the option to work up to 50% remotely – for the perfect work-life balance.

Generous pension plan
We pay 60% of your pension contributions - for a secure future.

Health comes first
100% continued payment of salary in the event of illness or accident and access to an exclusive mental health platform with five free sessions with a psychologist.

Parental leave
16 weeks maternity leave (100% continued pay) and 10 days paternity leave (100% continued pay) to spend valuable time with your family.

Support for your family
Up to 20% reimbursement of childcare costs (max. CHF 4,800 per year).

Exclusive discounts
Attractive discounts on petrol, insurance and mobile telephony with partner companies such as Shell, Avia, Sunrise and Swisscom.

Public transportation
No problem: with the SwissPass (max. CHF 190) you can get from A to B at a reasonable price.

At Axpo Group, we are dedicated to fostering a culture of non-discrimination, tolerance, and inclusion. As an equal opportunity employer, we welcome applications regardless of race and ethnicity, gender identity and expression, sexual orientation, age, disability, as well as socioeconomic, cultural, and religious background. We are committed to ensuring a respectful and inclusive recruiting process and workplace for everyone.

Key Skills

PythonData AnalyticsCode StructuringTestingOptimizationTime-Series AnalysisMILPStochastic ModellingNumerical MethodsEuropean Power MarketsStorage AssetsGitVersion ControlMarket Data HandlingAPIsSQL