Electrical Works Supervisor (S1)

Safe and compliant electrical execution – from construction to warranty

At CFE, our certified S1 electrical works supervisors ensure that electrical installations are carried out in full compliance with legislation, standards, and safety requirements. We serve as the client’s appointed S1 supervisor in complex electrical projects, including substations and high-voltage systems.
Our responsibility continues beyond commissioning, as we also oversee warranty period inspections, ensuring long-term safety and performance.

All works under our supervision are safe, properly documented, and thoroughly inspected – ready to meet the demands of both authorities and future audits.

🛠 A reliable S1 professional as part of your project team

Our electrical works supervisors integrate seamlessly with your project manager, designer, and site supervisor. With experience in high-voltage systems and demanding electrical environments, we ensure that all work meets the requirements for electrical safety and long-term operational performance.

⚙️ Typical responsibilities:

  • Acting as the appointed S1 supervisor and notifying authorities

  • Approving inspection and testing plans

  • Overseeing phase inspections and commissioning tests

  • Verifying qualifications of responsible electrical personnel

  • Managing documentation and signing commissioning records

  • Ensuring compliance with national regulations and technical standards

  • Liaising with authorities and inspection bodies

  • Supporting contractors and overseeing electrical works

  • Conducting warranty period inspections and coordinating corrective actions

Ask more about our services

Marcus Stenstrand

CEO

marcus.stenstrand@cfe.fi

+358 (0)40 756 2568