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Interconnection Cost Estimation

The Company:


Lightsource bp (LSbp)is a global leader in the development and management of solar energy projects. We are a 50:50 joint venture with BP and on a mission to help drive the world’s transition to low carbon energy. We are planning to exceed 25GW by 2025.

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

We pride ourselves on our entrepreneurial spirit as we continue to push the boundaries of an ever-changing energy landscape. By choosing a career with us, 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.




Monitor cost for Lightsource bp solar projects from the early/mid/late stages of development to completion of Construction. This position has responsibilities supporting and working alongside Development, Business Development, Procurement, Construction, Engineering and Finance.


Duties And Responsibilities


  • Analyse documentation, such as layouts and other data, to prepare cost estimates
  • Analyse historical data and current trends to improve processes and reduce costs
  • Provide cost estimating support for the EPC and Short-Term O&M on Solar Projects and Interconnection Facilities for development and M&A project opportunities ranging from indicative/Budgetary to firm/Binding.
  • Create/Maintain LSbp Cost Estimating Databases
  • Communicate with Procurement team to ensure utilization of most recent and competitive major equipment pricing in estimating efforts
  • Communicate with Engineering teams to ensure utilization of accurate technical specifications and design configuration in estimating efforts
  • Recommend ways to reduce costs
  • Maintain records of estimated costs
  • Set up cost monitoring procedures and systems in order to streamline the process
  • Cost control till Construction completion to maintain full control of the lifecycle of the project.



  • Working knowledge and background understanding of basic PV solar engineering and plant design (i.e. Array Layout, Civil Layout, MV/DC wiring concepts, Structural Design, Project Sequencing)
  • Working knowledge and background understanding of High Voltage interconnection infrastructure
  • Working knowledge of MS excel
  • Experience with pvDesign is desirable 
  • International Experience
  • Understanding of project management and construction management concepts identified within PMP and other industry accepted organizations
  • Understanding of general estimating approaches and variations required to support projects at differing points in the lifecycle
  • Desire to continue developing and growing one’s knowledge base and understanding of the solar industry via continued research and development of the individuals, teams, and departments knowledge, skills, and abilities


  • Bachelor’s degree in Construction Science, Construction Management, Civil Engineering, and/or Other applicable degrees (replaceable by requisite experience)
  • Master’s degree in Construction Management, Business Administration, or other applicable field of study (not required)


  • 3-5 Years of estimating and/or pre-construction support (Owner, EPC, Subcontractor)
  • Field based self-perform solar construction experience (i.e. Project Engineer, QA/QC Inspector, Superintendent/Foreman)
  • Experience interacting with development colleagues
  • Background in estimating, pre-construction, project management/engineering
  • Experience interacting with outside consultants and equipment vendors
  • Experience generating and processing purchase orders and invoices
  • Experience in Cost Control during Construction


Why you’ll want to work for us:

Our company is a place where you can be yourself and grow; a place where your ideas and opinions matter.


Be you

We pride ourselves on being an inclusive community, where every individual is valued and treated with respect.


Be responsible

Our culture is driven by our core values. From operating safely to ensuring our solar projects are responsible and promote biodiversity.


Be recognized

Alongside a competitive salary, we offer a variety of benefits including annual bonus, retention bank, health insurance, 41K and other local benefits including generous holiday allowances.


Be inspired

Beyond your day-to-day working life at Lightsource bp, there’s a variety of initiatives that will contribute to your own personal development. Initiatives to get involved with including our charitable causes or supporting our solar honey project.