HVSM has a dedicated commissioning team that comprises of highly qualified, industry experienced professionals. With a vast portfolio of global projects from over 30 years in the industry, coupled with state-of-the-art equipment, our team prides itself on custom solutions and services that not only meets but exceeds customer expectations.

Our commissioning team have experience of up to 400kV and have commissioned some of the world’s most notable projects. Combined, these projects yield over 5GW.

We pride ourselves on following strict SOP’s, combined with OEM, test equipment and in-house training to ensure the highest standard and safety on every job.

Commissioning capabilities.

  • SAPs approved up to 132kV for energization after commissioning.
  • Attending Factory Acceptance Tests and Site Acceptance Tests on behalf of the client.
  • Interfacing with TSO/DNO’s, this includes embedded generation testing.
  • Our commissioning team have commissioned:
    • Wind Farms
    • Battery Energy Storage Systems
    • Solar Farms
    • Thermal, Biomass, Hydro Generating Stations
    • Transmission & Distribution Stations
    • Data Centres
    • Manufacturing
    • Life sciences
    • Petro-Chemical
    • Critical Health Care/Hospitals

Our Partners

We proudly serve an array of esteemed clients, including industry-leading multinational corporations. Our unparalleled expertise and steadfast dedication have gained us trust across industries, reinforcing our commitment to deliver exceptional high voltage solutions.


HVSM has been operating since 1991 and is a wholly Irish owned and operated company. Since we were established we have built an excellent reputation for best in class specialist service in High Voltage Solutions.

Croke Park CJRL

Just a brief note to thank you and all the team in CJRL for an excellent job here on the Electrical Infrastructure upgrade.
From our point of view it has been a seamless piece of work, causing minimal delay to the operation of the Stadium during what is our busiest period of the year.Well done to all of you!

Roadstone Limited

HVSM Limited is an exceptional high and medium voltage electrical contractor. Their team is highly skilled, meticulous in their work, and always ensures that safety standards are met without compromise. We highly recommend their services to anyone in need of top quality HV / MV electrical contracting solutions.

Damien Smith, Electrical Manager