Our Services

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From workshop repairs to onsite testing, ESL supports motors, generators, transformers and electrical infrastructure across New Zealand.

Rotating Plant

• Motor rewinds, repairs and refurbishment
• Generator servicing, overhauls and rewinds
• Onsite electrical testing and fault finding
• Hazardous area (Ex) motor repairs
• Dynamic balancing and laser alignment
• Site overhauls and maintenance
• Root cause analysis (RCA)

Transformers

• Transformer inspections and testing
• Oil sampling and dissolved gas analysis (DGA)
• Distribution transformer refurbishment
• Power transformer refurbishment
• Root cause analysis (RCA)

Switchgear

• Maintenance and inspections
• Protection testing
• Circuit breaker testing (400V-11kV)
• Fault analysis
• Circuit breaker upgrades and retrofits

Condition Monitoring

• Vibration analysis
• Infrared thermography
• Motor circuit analysis (Baker testing)

Need support with your electrical assets?

Talk to our team about repairs, refurbishment, testing, maintenance or emergency support.