Costs Analyst

Job Title:

Costs Analyst

Reporting to:
Project Controls Director

Location:

This position will be based in the Project Office in Bristol for a minimum of three (3) days per week, with travel to lender, sponsor and adviser locations as required

Founded in 2011 under the brand Simply Blue Group in, Simply Blue Energy (SBE) was formally established in 2025 to recognise Kansai Electric Power Co., Inc.’s(“KEPCO”) Share Subscription Agreement with Simply Blue Energy (OSW) Ltd, the offshore wind division of Simply Blue Group.

Simply Blue Energy is an ambitious, values-driven company at the forefront of the global blue economy and is actively developing a significant offshore wind portfolio comprising of 8 GW of floating offshore wind and 4 GW of fixed-bottom wind projects across multiple markets

Our offshore wind portfolio includes Erebus, a 100MW test and demonstration project, which was awarded a Contract for Difference (CfD) in 2026, and the Salamander project in Scotland. The portfolio also comprises Emerald, Western Star and Aird Mhòr na Mara in Ireland, as well as projects in Spain and Portugal developed under the Iber Blue Wind platform. To find out more about us, please visit

Erebus is a world leading 100 MW test and demonstration floating offshore wind project located off the coast of Pembroke and is being developed by Simply Blue Energy’s Blue Gem Wind project company. Erebus was awarded a CfD in Allocation Round 7 and as a fully consented project now enters late-stage development, targeting a COD in 2030. The project is progressing through project finance structuring towards Financial Close.

The Costs Analyst will support the development and delivery of offshore renewable energy projects, providing cost expertise to ensure economic feasibility and informed decision-making. You will lead the development of project cost books and central cost libraries, using industry benchmarks and analysis to provide robust cost advice and insights. The role will support supply chain engagement, cost-benefit analysis and site design development, working across a range of project scopes from concept through to delivery.

You will work both centrally and within projects, taking roles such as Cost Book Manager, Cost Analyst or Cost Control Manager as required.

• Develop and maintain robust project cost books covering DEVEX, CAPEX, OPEX and DECEX.
• Develop and continually improve central cost libraries, methodologies, tools and analytical capabilities.
• Maintain an up-to-date, industry-benchmarked view of offshore wind costs across the project work breakdown structure.
• Establish and maintain clear, auditable cost data, assumptions, methodologies and version control.
• Critically assess cost estimates, challenging deviations from benchmarks, norms and expected trends.
• Work with Function Leads, Package Managers, procurement and external advisors to develop and refine cost estimates.
• Ensure cost books are maintained at system, sub-system and component/activity level.
• Lead cost-benefit analysis to inform project strategy, design, change and investment decisions.
• Ensure cost books are robust and appropriately developed to support business cases, investment decisions, financial close and due diligence.
• Formally issue and regularly update project cost books in line with business case and project milestones.
• Provide cost insights from procurement activity, supply chain engagement, external benchmarks and historic project data.
• Work closely with Commercial and Business Case teams to ensure cost information integrates effectively with business case modelling.
• Support wind farm design, EYA analysis and other engineering activities where required…