Senior Energy Commercial Analyst

At Thames Water, we make a daily difference to over 16 million customers
, delivering 2.6 billion litres of water through 32,000 km of pipes — keeping taps flowing and toilets flushing across London and the Thames Valley.

We’re looking for a Senior Energy Commercial Analyst to join our Energy & Carbon team within the Commercial Energy Buying & Contracts function. This is a pivotal and high-impact role that helps shape Thames Water’s energy risk management and hedging strategy
, supporting the procurement and management of energy. You’ll provide expert market insight, support our net zero ambitions, and guide senior stakeholders with robust analysis and forecasting.

• Enact Thames Water’s power and gas hedging strategy – making informed, data-driven decisions based on market fundamentals.
• Deliver price forecasting to support budgeting and long-term business planning, maintaining complex Excel and Power BI models.
• Provide regular energy market analysis and updates to executive stakeholders, translating complex data into clear business insight.
• Manage Power Purchase Agreements (PPAs) – overseeing invoicing, price validation, forecasting, and month-end processes.
• Collaborate across the business
  , including Finance, Energy Suppliers, and internal Energy & Carbon teams, to support energy procurement and pricing processes.
• Support broader energy and carbon initiatives
  , including portfolio development and net zero business cases.

Working hours: 36 hours, Monday to Friday

• Numerical-based qualification or equivalent showing you have a good handle on numeracy.
• Extensive experience in the energy industry
  , ideally within a commercial, trading, or analytical function.
• Highly numerate with advanced Excel and Power BI.
• Strong analytical mindset, capable of handling large datasets and complex models.
• Excellent communication skills with the confidence to advise senior stakeholders.
• Proven ability to work under pressure, meet deadlines, and make clear, informed decisions.
• Self-starter with strong initiative and problem-solving skills
  .
• Power trading or energy market analysis.
• Familiarity with Bloomberg or other energy market platforms.
• Knowledge of Python or similar analytical programming tools.

• Competitive salary from £51,000 to £60,000 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 both company and individual 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.