Energy & Carbon Analyst

Job title Energy & Carbon Analyst  Division Finance & Commercial Location Hybrid - Clearwater Court - RG1 8DB
Contract type Permanent Full/Part-time Full-time Salary Offering up to £40,000 per annum depending on experience Job grade B Closing date 18/03/2026

At Thames Water, we make a daily difference to the lives of 16 million customers by supplying 2.6 billion litres of water through 32,000km of pipes - keeping taps flowing and toilets flushing. We deliver life’s essential service so our customers, communities and the environment can thrive.

We’re looking for an Energy & Carbon Analyst to join our Energy Strategy & Reporting Team. This is a fantastic opportunity for a numerically minded analyst or graduate who thrives on working with data, enjoys solving complex problems and wants to build a career in energy, renewables and sustainability.

This is a data-heavy, cross-business role supporting both our Water and Wastewater operations. You’ll take ownership of renewable generation reporting and regulatory compliance, helping the business secure and protect over £12.4m in generation incentives annually.

Your key responsibilities will include:

• Leading weekly, monthly and annual performance reporting of renewable generation data.
• Compiling and validating electricity, fuel and heat data from our fleet of CHP engines, boilers and flares.
• Preparing estimated data methodologies, responding to regulatory queries and supporting audits.
• Support reporting into regulatory schemes, including CHP QA, Greenhouse Gas Reporting, Environmental Permit (IED) Reporting, Office for National Statistics returns, UK ETS, NDRHI and ISCC.
• Identifying and resolving missing or inaccurate metering data in collaboration with meter operators and site teams.
• Acting as the key contact for operational energy data queries.
• Continuously improving reporting processes and supporting the development of new reports.

You’ll work closely with a team of energy specialists, alongside operational colleagues and regulators, helping to ensure full compliance with renewable generation legislation.

• A genuine opportunity to develop expertise in energy regulation, renewable generation and sustainability.
• Exposure to regulatory audits and direct engagement with Ofgem.
• The chance to present complex technical analysis in a clear, engaging way to stakeholders across the business.
• A visible role that directly supports financial performance and our wider energy policy.
• The opportunity to influence reporting improvements across the organisation.

Working pattern: 36 Hours, Monday to Friday

• Strong analytical background.
• Experience in energy management or performance reporting.
• High attention to detail with a proactive mindset.
• Strong communication skills and the ability to influence stakeholders.
• Ability to manage and drive energy and carbon reporting requirements to support operational and financial targets.
• Degree in a numerical degree or relevant qualification. (i.e. Sciences, Maths, Geography, Environmental etc.) - will consider graduates.
• Knowledge of renewable energy and energy regulation.
• Experience with PI, Power BI or similar reporting tools.
• Knowledge of Optima or similar energy management software is beneficial but not necessary.

• Competitive salary up to £40,000 per annum, depending on experience
• Annual Leave – 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)
• Performance‑related pay plan directly linked to company performance measures and targets
• Generous Pension Scheme through AON
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

We are committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support.

Disclaimer: Due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.