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Experience and Reliability Since 1986

For almost 40 years, we have been operating with expertise in the maintenance and supply of spare parts for MV and LV switches, providing tailored solutions for every need.
Grena - Who We Are

WHO WE ARE

Specialists in Maintenance and Regeneration of Switches

For almost 40 years, we have been passionately and expertly dedicated to the maintenance and supply of spare parts for medium and low voltage (MV and LV) switches. Founded in 1986 in Pedrengo (BG) by Pierfranco Grena, our company has successfully met market demands by specializing in the regeneration, repair, and technological upgrading of obsolete switches. Thanks to our expertise and a well-stocked warehouse of original and refurbished components, we provide customized solutions that ensure the reliable operation of electrical systems across Italy.

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OUR MISSION

Tailored Solutions

We offer customized solutions to extend the life of plants, ensuring reliability and business continuity with targeted interventions and quality spare parts.

Extension of plant life

We regenerate components to avoid costly replacements.

Efficient maintenance

We repair and optimize equipment to ensure reliability.

Workshop interventions

We perform complete overhauls to restore full functionality.

On-site support

We operate directly at the customer's site, including on shipboard installations.

Advanced Technologies

We use innovative tools, such as 3D printing, to recreate discontinued components.

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Our Team

Experience, Tradition, and Innovation for an Efficient Service

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Experience and Expertise

Our technicians combine years of experience with advanced technologies.

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Knowledge Transfer

We train new generations with the support of experienced professionals.

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Continuous Innovation

We use modern solutions such as 3D printing to reproduce obsolete components.

Our services for the energy, marine and industrial sectors

We offer complete solutions for the maintenance and efficiency of MV-LV electrical systems. We take care of the supply of original spare parts and components, ensuring reliable and durable performance.

Supply of MV-LV Spare Parts

MV-LV spare parts available to ensure efficiency and operational continuity for your systems.

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Supply of complete discontinued switches

We provide complete off-the-shelf switches, ensuring reliable solutions for your plant continuity.
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Maintenance at our workshop

We perform specialized maintenance in our workshop to ensure optimal performance and long life for your switches.

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Maintenance at the customer's site

On-site maintenance service, with fast and efficient operations directly at the customer's site, including industrial and shipboard facilities.

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Verification and Reliability of MV-LV Switches

Thorough inspections to ensure the safety and reliable performance of MV-LV switches.

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Adaptation of Switches on Existing Installations

Tailor-made solutions for integrating modern switches into your installations without invasive changes.

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Zero Emission SF6 Gas Regeneration

Recovery and treatment of SF6 gas with mobile equipment, respecting the environment and regulations.

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Our Strengths

Why Choose Us?

  • ZAlmost 40 years of experience in the industry
  • ZCustomized and tailored services
  • ZWell-stocked warehouse with spare parts and refurbished switches
  • ZFast and targeted interventions across Italy
  • ZPartnerships with leading manufacturers
  • ZInnovative technologies for retrofit and reconditioning
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