TWS Energy Controls - Transformers Specialist

TWS Energy Controls is a privately-owned company specialising in the design and manufacture of current and voltage transformers for the low to medium voltage electrical industry. Based in Christchurch, New Zealand, we supply network and electric companies worldwide.

We specialise in the custom manufacture of transformers to meet our client's specific requirements at our purpose built facilities.

TWS Energy Controls
Transformers Specialist

Whether it's a one-off design or a large run, our purpose-built manufacturing facility provides TWS Energy Controls with an ideal base for the design and manufacture of current transformers, voltage transformers for metering and protection and power transformers to meet individual customer requirements in the electrical industry.

We have been designing and manufacturing transformers since 1981 and are the major suppliers of metering current transformers and CT and VT metering units to the New Zealand electrical industry. Our design engineers have over 40 years experience in the industry.

Industry certification and testing standards
ISO 9001:2008
NZS ISO/IEC 17025:2005

As well as ISO 9001:2008 certification we are the only transformer manufacturer in New Zealand with a Class A ISO 17025:2005 accredited Test Laboratory for the certification of current and voltage transformers used in revenue metering installations to NATA, EGR and like requirements. We can certify to NATA via the IANZ/NATA mutual recognition agreement.

We test to IEC, AS, BS and other standards on request.

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