Temporary Power Supply Solutions for Every Sector

As experienced temporary power contractors, Omexom designs, installs, and operates temporary power supply solutions, ranging from a few kVA to several tens of MVA, for industrial sites, infrastructure projects, data centers, events, and emergency situations.

We support you from needs assessment through to operation, integrating safety, performance, and environmental impact control. Whether you need temporary power for construction, a grid bypass during industrial shutdown, or emergency backup for a critical facility – Omexom delivers.

Our Temporary Power Solutions

As one of the most capable temporary power supply companies globally, Omexom provides turnkey temporary solutions, from generation to distribution.

  • Temporary power generation
    Generator sets (diesel, HVO, gas), hybrid generation with battery storage, temporary microgrids integrating renewables.
  • Grid connection and mobile substations
    Mobile HV/MV substations, temporary transformers, grid connection solutions, voltage conversion.
  • Temporary distribution networks
    Temporary LV and MV networks, cabling, panels and switchboards, protection systems, and metering.
  • Storage and low‑carbon solutions
    Temporary BESS, generator + battery hybrid solutions, fuel consumption optimization, noise and emissions reduction.
  • Associated services
    Engineering, studies, installation, commissioning, supervision, operation, and 24/7 maintenance.

Use Cases – Temporary Power Supply Solutions Tailored to Your Activities

Infrastructure and Construction Sites – Temporary Power for Construction

Our core competency as temporary power supply contractor: power supply for cranes, site facilities, workshops, and substations under construction. Omexom manages the full power supply chain on complex construction sites – from initial load analysis to final decommissioning.

Industrial Sites and Heavy Maintenance

Grid bypass during works, shutdowns, and compliance upgrades. Reliable temporary power supply with zero interruption to your operations.

Data Centers and Critical IT

Temporary power supply during construction or extension phases, backup in case of grid failure. Engineered to the highest availability standards.

Events and Large Gatherings

Concerts, sporting events, trade shows, festivals. Scalable temporary power solutions with rapid deployment and full supervision.

Emergency and Business Continuity

Storms, flooding, grid outages, securing sensitive sites. Omexom provides 24/7 emergency response as one of the most reliable temporary power contractors in Europe.

Our Approach to Temporary Power Supply Engineering

Load analysis, power quality, operating scenarios, CAPEX/OPEX optimization. Our temporary power supply engineering capabilities ensure every solution is precisely dimensioned – no oversizing, no risk.

Technology selection (generators, mobile substations, batteries, control systems) with full independence from manufacturers. You get the best fit for your project – not the best margin for a supplier.

Compliance with electrical standards, prevention plans, HSE procedures, risk management (noise, emissions, leaks).

Optimization of operating hours, hybrid solutions, alternative fuels, consumption and emissions monitoring.

Why Choose Omexom as Your Temporary Power Supply Contractor?

As one of the leading temporary power supply companies with 570 business units across 36 countries, Omexom combines global reach with deep local expertise. Here is what sets us apart:

  • Wide geographic coverage and rapid response capability
  • Broad power range and technologies (from generator sets to hybrid microgrids)
  • Full value chain mastery: study, installation, operation, maintenance
  • Grid integration (HV/MV/LV) and substation & protection expertise
  • Strong commitment to safety and environmental performance
  • Synergies with other Omexom expertise (substations, grids, renewables, storage)

References – Temporary Power for Construction, Events & Emergencies in Action

  • Wacken Open Air (since 2007)

    Full service for the world’s largest heavy metal festival.
    51 equipment trailers
    1,180 tons
    Main stage: 3 × 1,250 kVA generator sets
    Peak load: 3,600 A
    On-site work performed: 334 days

  • Grid‑parallel operation – 12 MVA

    Parallel operation on the 10 kV busbar during modification work on a 110 kV supply:
    12 × 1,250 kVA generators
    12 × 5,500‑liter fuel tanks
    2 × 6,300 kVA transformers

  • Emergency operation in a hospital

    A call for assistance was received from a large hospital over the weekend after failure of the stationary emergency power supply.
    Within 10 hours, a 2,000 kVA generator was delivered and commissioned.
    A remarkable team effort enabled the installation of a large number of cables in a very short time.

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Global Reach, Local Expertise

With 570 business units across the world, we have strong connections with local suppliers and contractors, each offering unique capabilities. As a global EPC contractor and trusted temporary power supply company, our collaborative approach ensures you benefit from the most capable team for your project.

Operating in 36 countries and working closely with local suppliers, we are committed to the highest standards of quality, health and safety, and environmental performance, delivering sustainable, efficient, and secure temporary power supply solutionsworldwide.

Explore Our Other Expertise