Business Profile

Espec provides the full electrical scope of services from high voltage project infrastructure and maintenance through to construction, renewables, instrumentation, and commissioning. We have the resources, personnel, and knowledge to undertake a variety of mining, construction, and industrial projects. Our team of experienced cable jointers, HV switching operators, instrumentation, and hazardous area specialists carry out work to the highest quality and safety standards. Our clients include Northern Territory Government, Defence Primes, Tier 1 contractors and commercial clients across a range of industries. From Defence patrol vessels to 33MW solar farms, we match our resources to meet our clients' needs. We have proven capability in managing limited resources, controlling costs, maintaining schedules, mitigating risks, and most importantly developing and maintaining safe work environments. Espec is a Kolsen company.

Products and Services

  • HV Infrastructure projects
  • Industrial and commercial maintenance
  • Package substations
  • Overhead and underground reticulation
  • Streetlight upgrades
  • Specialist sports lighting
  • Electrical Equipment in Hazardous Areas (EEHA)
  • Controls automation, SCADA and PLCs
  • Marine electrical
  • UPS systems
  • Thermal imaging
  • CCTV and security systems
  • Data communications
  • Renewables
  • Electric motor repairs
  • Stand-by generators
  • Energy management
  • Medical electrical


  • ISO 9001:2015 Quality
  • ISO 14001:2015 Environment
  • ISO 45001:2018 OHS
  • ISO AS/NZS 4801:2001 Safety
  • Level 3 Accreditation for Gifted Assets (PWC)
  • Contractor Accreditation Ltd (CAL)
  • Clean Energy Council Accredited Installers
  • Clean Energy Council Accredited Designers
  • ARC Tick Certified

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Contact Details

Unit 5
66 Coonawarra Road

Winnellie NT 0820
+61 8 8948 1585
ABN  23929898229
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+61 08 8947 3772
As one of the largest local employers in the Northern Territory, Kolsen businesses have been driving regional success since 1985. Kolsen operates across facilities, electrical and industrial services, drawing on our combined capabilities, resources and experience to provide high quality outcomes to our clients. We are equally proud of our commitment to supporting the communities we work in through long-term partnerships, employment and upskilling.
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Remote Area Specialists in Electricity Transmission and Distribution Construction, Operation and Maintenance. Cowell Electric's core business is the design, construction, operation and maintenance of power transmission and distribution systems and provision of mining maintenance services. We specialise in working in regional and remote areas of Australia, with over 80% of our business coming from the mining, oil and gas industries and the renewable and utility sectors. Our safety, quality and environmental systems and procedures have been developed over many years from our vast experience working in isolated areas to meet the requirements of our clients to deliver projects, safely, on time and on budget. Cowell Electric is committed to providing services which exceed our customer's expectations in delivering projects safely, on time, within budget, with minimal impact on the environment and providing positive experiences to the communities we work in.
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ARA Electrical High Voltage Services Pty Ltd T/A Transelect is an Australian company that specialises in high voltage and low voltage electrical services. Transelect carries out both design and construction works on transmission, distribution and low voltage overhead and underground networks. Our services range from low voltage residential connections, to 132kV infrastructure projects. Transelect has a highly capable team of specialists providing 24/7 maintenance and breakdown support of high voltage networks. Transelect has an uncompromising commitment to customer service at all levels of the organisation. We have experience and capability in the following sectors: - Mining / Quarrying - Energy generation - Industrial / Commercial - Government Transelect is fully accredited and authorised to work on Endeavour Energy, Ausgrid and Essential Energy networks. We consult with electricity distributors on behalf of clients, regarding site-specific HV power supply requirements
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