Skip to content
Height Supply
High voltage switchyard silhouetted against a dusk sky

Services

Our Services

We provide end-to-end engineering and construction services across electrical, civil and building projects. From design and installation to construction, testing and commissioning, we deliver safe, reliable and high-quality solutions for commercial, industrial and infrastructure developments.

01

Design, installation and commissioning

New plant from drawing to energisation, commissioned and handed over with records.

Technician working inside an open electrical control panel, checking wiring against the schematic

Scope

  • Standby generators, manual and automatic changeover
  • Solar PV with inverters and UPS
  • Distribution substations
  • SCADA: ABB RTU211, RTU232, RTU560
  • IEC 61131-3 control logic
  • IEC 61850 substation communications

02

Electrical testing and condition monitoring

Instrumented testing that tells you whether plant is fit to stay in service.

Engineer testing wiring at a bench with instruments, working carefully on a live circuit

Scope

  • Transformer oil breakdown voltage (BDV)
  • Insulation resistance with polarisation index
  • Transformer ratio checks
  • Magnetic balance test
  • Vector group verification
  • Switchgear hipot
  • Contact resistance measurement
  • CT and VT ratio checks
  • Thermographic surveys

03

Transformer oil filtration

On-site recycling of insulating oil to restore dielectric strength instead of replacing it.

Plant operator supervising process machinery on an industrial floor

Scope

  • Vacuum dehydration and degassing
  • Particulate filtration
  • BDV verification before and after
  • Oil returned to service in the same outage window

04

Building and civil engineering construction

New build and maintenance under NCC Grade 5 Category B and Grade 4 Category R.

Two construction workers in high visibility vests and helmets tying reinforcement on site

Scope

  • Building and housing construction
  • Roads and earthworks
  • Bridges and drainage structures
  • Concrete works, compaction and finishes
  • Building maintenance programmes

05

Repairs and general maintenance

One contractor for the whole building rather than four trades to coordinate.

Electrician in overalls terminating cables during building maintenance work

Scope

  • Electrical repairs and rewiring
  • Plumbing
  • Building fabric repairs
  • Air conditioning service and repair

06

Supply

Procurement of plant and consumables, delivered to site.

Warehouse worker in a high visibility vest checking stock on the racks

Scope

  • Power cables and general hardware
  • Transformers, ring main units, auto-reclosers, feeder pillars
  • Generators, solar equipment, UPS
  • Computers and office supplies
  • Motor vehicle parts

07

Personal protective equipment

Safety equipment for crews working on and near live apparatus.

Two site workers in high visibility vests holding hard hats before starting work

Scope

  • Portable earths and isolation locks
  • Arc flash suits and insulating mats
  • Live line testers
  • Harnesses and fall arrest
  • Cap lamps

Scope not listed?

Ask anyway.

We hold electrical and civil registrations and buy in specialist plant where a job needs it. If we cannot do it we will say so.

Request a quote