Decom Electrical
Contact the team on
(03) 214 1775

Phil Johnston - Electrical Supervisor (Registered Electrician & Electrical Inspector)

Phil has 29 years experience in the industry as an Electrician / Electrical Fitter for the Ministry of Energy (Electricity Division), Southland Electric Power Supply, The Power Company and PowerNet. He has been involved in the construction and maintenance of high and low voltage electrical equipment, along with its associated control, protection and SCADA schemes.

Phil has been involved in metering installation for reticulation networks and industrial customers and has spent considerable time running the domestic electrical contracting division of The Power Company.

Phil has skills in the following areas:

  • Substation transformers, oil and SF6 insulated indoor and outdoor high voltage switchgear
  • Substation protection, automation and control equipment and wiring
  • Substation earthing and civil construction
  • High voltage cable jointing, terminating and testing
  • Substation and revenue metering installations
  • Domestic wiring installation
  • Industrial installation and maintenance including PLC fault finding, VSD installation and commissioning
  • Electrical inspections
  • Project management



Phil has two children and his main sporting interest is refereeing rugby. Other interests include touch rugby, tennis and golf.



49 Ythan Street , Appleby , Invercargill 9812
Phone (03) 214 1775 | Fax (03) 214 1776
Electrical Workers Registration Board Telarc Registered