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Performance Engineer

About Lightsource bp


Lightsource bp specializes in the financing, development, and management of solar energy projects. We are a 50:50 joint venture with bp with a mission to help drive the world’s transition to low carbon energy. Our team comprises of 800 industry specialists, across 18 countries working towards our ambition to delivery 25GW of solar capacity by 2025.


With solar set to increase tenfold in the next 20 years, we are well-positioned to capitalize on this growth. By being part of the Lightsource bp team, you will ‘be the change’ on the world’s transition to a more sustainable future.


Whilst we have been established for over 10 years, we pride ourselves of our entrepreneurial spirit as we continue to push the boundaries of an ever-changing energy landscape. By joining our team, you can expect a challenging and fulfilling role surrounded by people who are passionate and have brilliant ideas about sustainable technology, innovation and making the world a better place.


What You’ll do (the role)


Lightsource bp Technical requires internal support in the development of PV plant performance models in the USA market.


The main responsibilities of the role will involve performing PVsyst simulations for projects in the early stages of development in the USA, reviewing and advising on TA and EPC simulations, as well as analysing operating PV projects using a monitoring system to update modelling assumptions.


Knowledge of meteorological databases and basic PV parameters is required.





  • Performing PVsyst simulation.
  • Using meteorological databases for projects in the USA.
  • Review and advise on TA and EPC simulations.
  • Liaising with Commercial Engineering to support performance modelling.
  • Supporting performance testing after substantial completion.
  • Exporting and extracting data from our monitoring system to enable an analysis of operating projects to update modelling assumptions.


Who we’re looking for




  • Detailed knowledge of PV plant performance parameters such as PR and familiarity with recognised performance testing procedures.
  • Experience in simulations with a storage system.
  • Familiarity with Capacity Test procedures
  • Engineering experience of industrial-scale PV plants.
  • Relevant work experience in similar role desirable




  • Relevant Electrical Engineering degree preferred.


Why you’ll make a great member of the team


  • Outstanding communications skills able to manage interaction with internal and external interfaces.
  • Commitment to aligning with the work ethos and hours of the Lightsource bp technical team.
  • Develop tools, coach and support for non-technical personnel within the organisation.
  • Confidence to maintain the integrity and justify Lightsource bp technical viewpoints when placed under both internal and external pressure.
  • Availability to travel.
  • Attention to detail.
  • Fluent English spoken and written.
  • Full EU driving license.
  • PVsyst, MS Office, CAD skills.