About us
We are a specialized team of fitters, technicians, and engineers focused on switchgear and power engineering systems in low-, medium-, and high-voltage applications.
Our operational scope includes industrial facilities, substations, and power plant infrastructures where maximum technical safety, precision, and reliability are essential.
With extensive experience in mechanical and electrical engineering, commissioning, diagnostic procedures, and measurement technology, we support demanding projects from the planning phase to final acceptance.
Thanks to certifications from renowned manufacturers, we guarantee service at the highest technical level.
Our Technical Focus
Installation & assembly of low-voltage systems 230 V – 1000 V
Mechanical assembly, electrical connection, system integration, functional testing, and documentation.
Installation & assembly of medium-voltage systems 6 kV – 42 kV
Switchgear, transformer stations, protection systems, cabling, and full system integration
Periodic maintenance of LV and MV systems 230 V – 1000 V / 6 kV – 42 kV
Condition assessments, functional and protection testing, thermographic inspections, mechanical servicing, and safety-related approvals.
Project support, supervision & site management
Technical supervision of installation and assembly processes, quality assurance, and compliance with applicable standards and safety regulations.
Comprehensive project management – from groundbreaking to final handover
Coordination of all trades, scheduling and resource management, technical responsibility, and complete project execution.
Commissioning & diagnostics for low-, medium-, and high-voltage systems
Protection and control system testing, parameterization, voltage and load tests, fault diagnostics, and complete system evaluation.
Looking for certified, high-precision expertise in low-, medium-, and high-voltage systems?
We provide reliable, safety-driven engineering and commissioning services from planning to final acceptance.
Contact us
Contact us for independent and competent technical consultation.
Sigma Energy Projects S.L. – technical excellence for safe and reliable power supply.