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Senior Commercial Analyst - ESO


Wokingham, GB, RG41 5BN

Division:  Commercial Operations
Job Type: 
Requisition Number:  22029
Job Category:  ESO
Job Function:  Strategy

About National Grid Electricity System Operator


As the Electricity System Operator (ESO) for Great Britain we are in a privileged position. We sit at the heart of the energy system, using our outstanding engineering and commercial expertise to balance electricity supply and demand second by second. Ultimately, we keep the lights on and the electricity flowing directly to where it’s needed. 


We also play an instrumental part in transforming the energy system so that it can meet the government’s net zero carbon emissions target by 2050. We are constantly thinking about the future of energy and constantly working to operate a greener and cleaner system. 


Not only are we working on exciting and world-leading thinking and activities, the ESO is also an exciting place to work. Our business plan sets out what we will do in our next regulatory period (from April 2021 onward) to meet the challenges of the future and deliver cleaner and affordable energy – and in this plan, we share how we are transforming the way we work using technology and innovation to do things differently.


Climate change is the challenge of a generation, and the time to act is now. Join us and you won’t just be touching the lives of almost everyone in Great Britain – you will be shaping the way we use and consume energy for generations to come.

About the Role


Senior Commercial Analyst – ESO – Wokingham (Warwick working considered)  


We are looking for Commercial Analysts to lead on the optimisation of ancillary services and to support the design, development and implementation of new products and procurement mechanisms as part of our Zero Carbon 2025 strategy. This is an opportunity for someone looking to develop and use commercial understanding to deliver a secure and economic strategy to operate the system, as well as working in an operational environment and solving problems arising within year as a results of the transition from current markets and operations to those which are future proof. 


There are multiple roles available. Some are Monday – Friday and others are on a rota to cover weekends and bank holidays to facilitate 7 day a week procurement. These will be remunerated accordingly. 

Role responsibilities

  • Responsible for the economic assessment of the Frequency product suite
  • Apply commercial expertise and lead analysis to drive ancillary service procurement strategy to deliver consumer value
  • Lead the design and implementation of current and future ancillary services.
  • Improve processes where possible through automation to increase efficiency and accuracy as well as ensuring a consistent application of methods, standards and good practice within our team
  • To support responses to urgent, operational issues as required as part of a virtual team to implement immediate mitigation as well as enduring solutions.
  • Support analysis of appropriate commercial contracting solutions to better manage frequency risks and other system issues
  • Engage with internal stakeholders and communicate analysis effectively, presenting at meetings and externally when required 
  • Evolve our analysis and reporting of actions to help determine future strategy

About You


Key skills:


  • Experience and knowledge of GB frequency markets needed to keep the system secure, GB electricity market arrangements and the GB transmission system.
  • Experience in optimisation and strong commercial acumen
  • An ability to learn quickly and to work under pressure to tight deadlines 
  • Strong analytical skills and a proven ability to handle large volumes of data to provide insights and enable decision making
  • You will have an advanced level of expertise in MS Excel, and experience of various coding languages is desirable (VBA, R, SQL etc..)
  • Logical, creative and practical approach to problem solving and ability to structure complex problems
  • Good interpersonal and communication skills, with the ability to communicate key messages and complex issues to internal and external stakeholders
  • Knowledge of power systems engineering is preferred


Qualifications: Degree level in mathematics, physics, engineering, economics, business or other numerate discipline

What You'll Get


A competitive salary between £49,000 - £62,000 – dependent on experience and skills.

As well as your base salary, you will receive a bonus based on personal and company performance and a competitive contributory pension scheme where we will double match your contribution to a maximum company contribution of 12%. You will also have access to a number of flexible benefits such as a share incentive plan, salary sacrifice car and technology schemes, support via employee assistance lines and matched charity giving to name a few.

Advert Close Date


This advert closes on 3rd August at 11:59PM


Interviews for this role will take place week commencing 16th August 


We encourage candidates to submit their applications as early as possible and not to wait until the published closing date. National Grid’s recruitment periods can and may vary. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.


If you are excited about change and comfortable with shaping and delivering fast-paced projects, if you care about making our customers and stakeholders’ experience of working with the ESO a great experience, and if you believe that good communication, collaboration and inquisitiveness drive better results, then please reach out! We would love to hear from you.