Generators and power outages: challenges and opportunities for installers, electricians and panel builders
The inevitability of interruptions in electrical supply—whether due to weather events, infrastructure failures, or load peaks—has placed energy continuity at the centre of priorities for businesses, services and residential clients. For professionals working with electrical installations, switchboards, and switching, this reality presents not only business opportunities but also greater responsibilities in terms of design, installation and maintenance.
03 November 2025
Current Context and Requirements
The growing criticality of loads (IT systems, medical equipment, production lines) and the increasing frequency of events that disrupt the grid make robust backup power solutions indispensable. Clients demand integrated responses that minimise interruptions and reduce operational and financial risks.
The growing criticality of loads (IT systems, medical equipment, production lines) and the increasing frequency of events that disrupt the grid make robust backup power solutions indispensable. Clients demand integrated responses that minimise interruptions and reduce operational and financial risks.
The Role of Generators in Continuity Solutions
Modern generators are no longer just standby equipment: they are integrated into energy strategies that combine automatic start, remote management and coordinated operation with uninterruptible power supplies (UPS) and renewable sources. Key points to consider include:
Modern generators are no longer just standby equipment: they are integrated into energy strategies that combine automatic start, remote management and coordinated operation with uninterruptible power supplies (UPS) and renewable sources. Key points to consider include:
- Start-up and Switching: The integration between the generator and automatic transfer switch (ATS) must ensure controlled transition times and protections that prevent back-feeding into the public grid.
- Compatibility with Sensitive Loads: Voltage and frequency quality, harmonics and speed fluctuations can affect electronic loads—selecting and tuning the generator properly is critical.
- Operational Efficiency: Consumption, varying load capacity and operating modes (economy versus performance) influence operating costs.
Sizing and Essential Technical Specifications
Proper sizing reduces failures and increases system reliability. Among the technical factors requiring detailed analysis are:
Proper sizing reduces failures and increases system reliability. Among the technical factors requiring detailed analysis are:
- Installed Power and Peak Power: Determining continuous power needs and considering start-up factors for motors and transient loads.
- Power Factor and Correction: Measuring power factor by type of load and assessing the need for correction or auxiliary equipment.
- Protection Selectivity and Coordination: Calibrating protections in such a way that faults are isolated without compromising unaffected circuits.
- Ventilation, Exhaust and Noise: Compliance with installation requirements and regulatory limits.
Electrical Panels and Switching — The Panel Builder’s Work
The quality of the panel is decisive for system safety and performance. Good professional practices include:
The quality of the panel is decisive for system safety and performance. Good professional practices include:
- Designing panels with adequate insulation, space for maintenance and clear circuit identification;
- Integrating protection and automation devices that allow commissioning and diagnostics both on-site and remotely;
- Ensuring up-to-date technical documentation and schematics to facilitate future interventions.
Safety, Testing and Standards Compliance
Installing backup power systems is subject to technical standards and safety requirements that must not be overlooked. Recommended procedures include:
Installing backup power systems is subject to technical standards and safety requirements that must not be overlooked. Recommended procedures include:
- Using certified components and conducting factory and on-site commissioning tests;
- Performing load tests, start-up sequence tests and protection verification;
- Providing the client with technical reports, operating instructions and maintenance plans.
Nortécnica: Support and Solutions for Demanding Projects
Nortécnica offers a wide range of equipment for emergency power systems, including switchboard components, ATS units, protection devices, wiring accessories, and instrumentation for testing and monitoring.
For professionals, partnering with a technical supplier means access to certified products, up-to-date specifications, and expert support in selecting solutions that are best suited to each specific project.
Nortécnica offers a wide range of equipment for emergency power systems, including switchboard components, ATS units, protection devices, wiring accessories, and instrumentation for testing and monitoring.
For professionals, partnering with a technical supplier means access to certified products, up-to-date specifications, and expert support in selecting solutions that are best suited to each specific project.