Job Description

An opportunity has arisen to recruit a BESS Quantitative Analyst.



EPUKI is constructing a 700MWh (350MW) grid-scale battery at Eggborough with commercial operations expected in late 2026, and owns 50% (via a JV with Total) of an operational 50MW battery at West Burton B (WBB). The company is currently establishing the team and defining its trading approach to support day one operations in late 2026.



The role will be based in our London office.
Key Responsibilities


Reporting to the BESS Commercial Lead and working with the Trading Manager, the successful candidate will have responsibility for, but not limited to:Working with the BESS Commercial Lead and Trading Manager to identify the most appropriate route to market for the batteries eg third party optimiser, hybrid, third party software, inhouse. Supporting the selection, onboarding and ongoing performance assessment of third-party providers (e.g. optimisers, route-to-market and data providers). Contributing to the build out of automated trading solutions for BESS and, where relevant, the wider EPUKI portfolio. Designing, delivering and supporting operational and decision support tools used by the 24/7 trading team. Developing and maintaining probabilistic forecasts for BESS relevant markets (DC/DM/DR) and FR tenders. Formulating and back-testing optimisation strategies and bidding recommendations for day-ahead auctions and intraday markets (EPEX M7 and cash-out). Supporting the deployment of intraday (EPEX M7) and NIV-chasing strategies. Producing clear insights and analysis on key BESS markets (DC/DR/DM, BM, FR), including supply-demand drivers and rule changes. Quantifying trading performance versus peer generators and counterfactuals; supporting the Finance team in delivering P&L attribution and KPI reporting. Modelling physical asset behaviour (degradation, lifecycle and round-trip efficiency, SoC/SoH) and reconciling models against telemetry. Providing strategic insight into future market developments and their commercial implications for EPUKI. Acting as project lead for selected initiatives - scoping, resourcing and on-time delivery and communicating progress to stakeholders. Help identify and deliver strategic priorities that improve performance, grow profit and manage risk across the portfolio. Ensuring compliance with GB market regulations, industry codes and EPUKI policies. Skills, Knowledge and Expertise

Background

Proven experience in developing process automation and custom quantitative tools, forecasts, and trading applications--ideally within the battery sector. Background in the Battery Energy Storage System (BESS) industry, preferably with UK market exposure. Demonstrates a meticulous and detail-oriented approach to ensure algorithms, systems, and tools function accurately and deliver profitable outcomes. Skilled in Python and other programming languages, capable of writing production-grade code and/or with a solid foundation in software development. Confident working with large datasets and adept at extracting meaningful insights.

Behaviours

Naturally curious and analytical, with a strong ability to apply critical thinking to challenges such as optimizing trade decisions, discovering new trading strategies, and leveraging data science and machine learning to enhance decision-making. Strategic thinker who understands the broader context and ensures work contributes to long-term goals. Self-motivated and adaptable, able to shift priorities in response to evolving requirements. Creative approach to solving problems, an openness to discussion, and a willingness to ask questions. An effective communicator who thrives in cross-functional collaboration and builds strong working relationships across teams.

Qualifications

Holds a degree (or equivalent qualification) in Computer Science, Engineering, Mathematics, Science, Quantitative Finance, Econometrics, or a related discipline.
About EP UK Investments Ltd


EPUK Investments Ltd (EPUKI) is the UK division of Energeticky a pr?myslovy holding (EPH), a leading energy group of over 70 companies that owns and operates assets across Europe. EPH group employs circa 24,000 people internationally, owns EUR30.5bn of assets, generating EUR37.1bn of revenue and an EBITDA of EUR4.3bn.

EPUKI was established in 2015 as the strategic platform for expanding the EPH group into the UK energy market. Since launching, EPUKI has made several acquisitions and developed a number of new opportunities and now owns multiple renewable and flexible power generating assets in the UK and Ireland.

EPUKI has grown rapidly to revenues ~3.5bn and EBITDA ~300m. We pride ourselves on an entrepreneurial culture and flat leadership structure where individuals (wherever they are in the organisation) can make a real impact on our business.

Our aim is to enable the UK and Ireland low carbon transition through provision of flexible and reliable energy supply. To achieve this, we will:

develop, construct and acquire the right assets to support the transformation of the energy system; invest in our people and our assets to best respond to the changing needs of our sector; continuously challenge ourselves to identify opportunities, build our knowledge and develop innovative solutions.



EPUKI is one of the largest independent generators in the UK and Ireland, with an asset base that covers multiple technologies and a range of revenue streams; these include fully merchant baseload and peaking plant and index traded baseload plants, providing a range of system services across the energy and balancing spectrum.

Despite its significant market presence, EPUKI has a flat structure with fast paced decision-making ability enabling better optimisation of market positions. The market continues to evolve and develop as the UK and Irish governments drive towards Net Zero with increasing challenges of renewables penetration, introduction of hydrogen and other new technologies.