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Performance Analyst - Energy & Carbon

Severn Trent • United Kingdom • Added on Jul 9, 2026
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This role sits at the intersection of data science and environmental engineering, where you will take ownership of the data pipelines that track greenhouse gas emissions. You will spend your time translating complex operational metrics from wastewater and sludge treatment operations into actionable performance insights. By building sophisticated Power BI dashboards and forecasting models, you ensure that decision-makers have a clear view of the company’s progress toward its climate targets.

Working within a utility giant means your work directly impacts one of the UK’s most carbon-intensive processes. This position is vital because it moves beyond theoretical green targets into the technical reality of decarbonizing essential infrastructure. You will be the one identifying the specific operational shifts needed to eliminate methane and nitrous oxide leaks, turning statutory reporting into a strategic tool for real-world planetary impact.

This suits someone who possesses a sharp analytical mind and an interest in how industrial processes meet environmental science. You likely enjoy finding the story within a spreadsheet and can explain technical anomalies to non-experts.

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What are the main missions and responsibilities of this role?

As a Performance Analyst, your primary mission is to transform raw operational data into a clear narrative regarding carbon performance and energy efficiency. You will be responsible for the end-to-end data lifecycle, from ensuring the accuracy of wastewater treatment emissions data to producing high-level reports for executive review. You will also be expected to support innovation trials. This involves monitoring the results of new technologies or process changes aimed at reducing Scope 1 and Scope 2 emissions, providing the statistical evidence required to scale these solutions across the wider organization.

Key learning opportunities for this job

This role offers an exceptional deep dive into the technicalities of the water-energy nexus. You will gain hands-on experience with sector-specific carbon accounting methodologies, moving well beyond generic corporate footprinting into complex process emissions like methane and nitrous oxide. Furthermore, you will have the chance to sharpen your proficiency in business intelligence tools. Through the Severn Trent Academy, you might explore advanced Python for data science or lean six-sigma methodologies, all applied to real-world environmental challenges within a highly regulated utility environment.

How does the ideal candidate look like (experience, skills)?

The ideal candidate is a data-driven professional who is comfortable navigating large, messy datasets. While a background in Environmental Science or Data Science is highly valued, the ability to derive meaning from numbers is the absolute baseline. You should be proficient in Excel and Power BI, with a bonus if you can use Python to automate workflows. Soft skills are equally important here. You need to be a collaborative communicator who can sit with operational engineers one day and scientific teams the next, translating technical findings into recommendations that drive continuous improvement in carbon management.

Advice to stand out and make a successful application

To stand out, move beyond just listing your technical skills and demonstrate an understanding of the UK water sector's Net Zero roadmap. Mentioning specific interest in wastewater process emissions—which are notoriously difficult to quantify—shows you have researched the specific challenges Severn Trent faces. Your portfolio or CV should highlight instances where your data analysis led to a measurable operational change. Showing that you don't just 'report' data but 'use' it to influence environmental outcomes will align you perfectly with the company's 'doing more' culture.

What aspects of the company's sustainability is this role likely to focus on?

The core focus is the decarbonization of water operations, particularly addressing the greenhouse gases released during sludge and wastewater treatment. This is a critical frontier in climate action because these emissions are often significant but difficult to monitor. Beyond carbon, the role supports broader ESG transparency. By improving data quality and reporting frameworks, you contribute to the company's accountability toward regulators and the public, ensuring that every drop of water processed has the lowest possible environmental impact.

What are the main challenges someone in this role might face?

One of the chief challenges will be data integrity and legacy systems. Industrial sites often have varying levels of monitoring equipment, and you may need to investigate anomalies where data points seem inconsistent or missing to ensure reporting remains transparent and accurate. Additionally, you may face the challenge of stakeholder buy-in. Persuading operational teams to change long-standing processes based on carbon data requires diplomacy and a clear demonstration of how efficiency and sustainability goals can align without compromising water quality.

How could a typical day look like for someone in this position?

A typical day might begin with a review of automated emissions dashboards to check for anomalies in the previous day's operational output. You might then meet with the Asset Intelligence team to discuss a new trial for reducing methane leakage at a specific treatment plant. Afternoons are often dedicated to data visualization and modeling. You could be building a new Power BI view that tracks energy consumption against carbon intensity, followed by a briefing session with a project manager to help them understand the environmental ROI of a proposed innovation project.

What are the opportunities for professional growth and development in this role?

Within a large organization like Severn Trent, there are multiple paths for advancement. You could move into a Technical Team Lead position, overseeing broader innovation strategies, or transition into a specialized Carbon Manager role focusing on policy and high-level strategy. The exposure to Senior Stakeholders and involvement in sector-leading Net Zero programs provides high visibility. As the water industry undergoes a digital and green transformation, your specific expertise in environmental data analysis will be a highly sought-after commodity for future leadership roles.

The main stakeholders you might be interacting with

You will interact daily with the Asset Intelligence and Innovation team, working alongside data scientists and technical experts. You will also collaborate frequently with operational site managers who oversee the day-to-day running of treatment works. Externally, you may engage with scientific partners and technology vendors during innovation trials. Internally, you will also provide data insights to the Corporate ESG team to support annual sustainability reporting and regulatory submissions to industry watchdogs.

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