ESL (ETEL Services)
Trusted Electrical Solutions for Over 40 Years
ESL is a leading provider of specialist electrical services across New Zealand, with a track record spanning more than four decades. Originally part of ABB’s global network, ESL now operates within the Unison Group of technology providers and works in close partnership with PBA to deliver integrated, nationwide electrical solutions.
Our Expertise
ESL specialises in the testing, analysis, servicing, and overhaul of rotating electrical equipment, including motors, pumps, and generators across low and high voltage systems. With service centres in Hamilton and Christchurch, ESL is supported by a highly skilled team of technicians delivering both workshop based and onsite services nationwide.
Since 1983, ESL has also been a trusted manufacturer of high quality generator and motor coils, along with ancillary components for HV and LV machines. These products are supplied throughout Australasia, Asia, the Middle East, and South America, reflecting a long‑standing commitment to quality, reliability, and international standards.
Comprehensive Electrical Services
In addition to rotating plant, ESL provides specialist expertise in the testing and servicing of transformers, switchboards, switchgear, cabling, and buswork. Through its partnership with PBA, ESL delivers a comprehensive suite of electrical infrastructure services supporting industries including power generation, transmission and distribution, councils, marine, mining, food processing, timber, industrial manufacturing, and water.
Industries We Serve
We proudly support a wide range of sectors, including:
- Power generation
- Transmission and distribution
- Marine
- Mining
- Food processing
- Timber
- Industrial operations
- Water
