About us and who we are
We are NESI, National Energy Service Infrastructure
National Energy Service Infrastructure (NESI) is a specialist provider of electrical services within the utility and renewable generation industry of New South Wales.
Established out of a shared passion for excellence and an uncompromising desire to exceed industry expectations and standards, NESI’s core team has over 60 years of industry expertise covering specialist cable jointing, project management, safety, compliance, and engineering.
- Quality Control System
- Unrivalled Workmanship
- Accurate Testing Processes
- Highly Trained and Qualified
What we can do for you
Major disciplines
Grid-Scale Renewable Generation
ASP Level 1 Works
Specialised Jointing and Termination
- Chamber and Kiosk Substation Install and Commissioning
- Asset Relocation
- Cable Jointing up to 132kV
- Paper-Lead Cable Jointing
- Underground Cable Hauling and Installation
- ASP Level 3 Design
- Grid-Scale Renewable Energy Underground Reticulation
- EV Charging Stations
- Overhead Electrical Services
- LV and HV Cable Testing
Our Services
Renewable Energy
We deliver large-scale renewable energy projects, designing, installing, and maintaining solar, wind, and energy storage systems.
Specialised Jointing and Termination
Our expert team provides high-quality cable jointing and terminations for medium and high-voltage systems, ensuring reliable and safe electrical connections.
ASP Level 1 Contestable Works
As an Accredited Service Provider, we can undertake all contestable works, ensuring safe and compliant grid connections.
Civil Construction
We offer complementary civil construction services, including excavation and site preparation, to support seamless electrical installations.
Installation, Testing and Commissioning
Our team ensures the complete installation, testing, and commissioning of electrical systems, delivering fully compliant and operational projects.
Engineering and Design
We provide flexible engineering and design support for electrical projects, offering practical solutions that meet industry standards.
