High Voltage SERVICES
Specialists in the turnkey design and construction of
high voltage ( 3 kV – 400 kV) grid connections.
Harnessing our global experience with local expertise, from concept design, planning, through to project execution and beyond, H&MV is a brand you can trust to power your business wherever you require.
Across Ireland, the United Kingdom, Europe and Africa, H&MV are actively engaged in mission critical, hyperscale data centre projects. We have expertise in GIS & AIS substation and grid route construction.
Our extensive project portfolio is a testament to our market leading positioning as an EPC contractor. H&MV expert crews are involved in wind farm, solar & battery storage development around the world. Our service offerings from concept design, planning, delivery & energisation provide our clients with confidence, knowing they are working with a brand they can trust.
H&MV are a leader in the utility sector with a proven track record of providing turnkey solutions to TSO and DNO clients.
Our dedicated design teams, project management, installation and commissioning staff have vast experience in the design and build of substations up to 400 kV.
We turn concepts into realities, with our high voltage expertise and experience providing clients with assurance they can rely on.
H&MV provide turnkey solutions for Electric Vehicle Charging Points. We’re available to assist owners, developers and facilities managers to make a choice that specifically meets their needs. Committed to successfully delivering on time, adhering to deadlines, we are at hand to deploy our crews to busy urban areas and ensure minimal invasion and intrusion.
Contact our local team for more information.
Feasibility Studies & Planning
With our technical expertise, we can confidently assess the condition of your HV network requirements.
We can develop and deliver studies with solid content on environmental impact, grid connection methodology, sizing and different configuration arrangements.
- underground cable routes,
- planning permissions,
- substation evaluations,
- hydrographic and topographic surveys
Design & Specification
HV cabling, SCADA Systems, earthing, bonding, substation layouts, 3D Modelling all benefit from our expertise that we offer in design solutions to the client.
Studies & Planning
Our library of services is extensive:
- load forecasting models,
- network master plans,
- transient stability studies,
- load flow,
- contingency analysis,
- single and three phase short circuit studies
- dynamic and transient stability studies,
- insulation co-ordination studies,
- voltage regulation,
- reactive compensation,
- 3D Modelling,
- development of network planning and security standards.
We have inhouse BIM and AutoCad experts ready to populate civil work packages/drawings in line with planning requirements.
State of the Art Test Equipment
- Omicron CMC 356 x 3
- Omicron CPC 100 and all accessories x 2
- Omicron FRA
- Omicron DIRANA
- Programma Sverker 650 x 5
- Programma Primary injection kit 600A x 5
- Programma Battery discharge kit
- Programma Circuit breaker timing kit
- Programma low ohm tester 200A
- Megger 10kV Insulation resistance tester 10kV
- Megger 5kV Insulation resistance tester x 15
- Fluke dry well calibrator
- Fluke mA simulators x 2
- Buchholz test tool
- AC pressure tester 72kV
And much more
Procurment & Construction
Our engineering capabilities enable H&MV to provide innovative solutions to our clients worldwide.
Our extensive vendor database ensures that H&MV Engineering remains highly competitive in our global market. Our procurement team cater for each and every project requirement, whether it’s an off the shelf item or a highly specialised /engineered piece of equipment.
Our professionals provide guidance on equipment selection/evaluation, vendor auditing, FAT tests, bulk material supply, services, consumables, construction components, to name but a few.
With a project portfolio extending across green and brown field EPC HV projects worldwide, H&MV Engineering is renowned for its commitment to delivering projects on time, safely and in line with budgets.
Our construction crews have worked on projects in extreme weather conditions from the deserts of the Middle East to the sub-zero temperatures and artic conditions in the Nordic Region.
With employees who greet each new challenge with enthusiasm, the key to our success is our flexibility and adaptability.