Trusted Across Australia

Commercial Power Solutions Backed by Experience Since 1997

  • SINCE

    1997

    Supporting Australian businesses with reliable generators.

  • 6

    DEPOTS

    Strategically located to provide fast response across Australia.

  • 24/7

    SUPPORT

    Emergency power solutions and technical support when you need it most.

  • 100%

    TRUSTED

    By industry leaders, event organisers, and homeowners
We're now

SG Energy is now Southern Generators & Electrical (SGH)

We've brought everything together under one website, making it easier to access our complete range of generator hire, generator sales, generator servicing, electrical services and emergency power solutions across Australia.

While our name and website have changed, you'll still be working with the same experienced team from the same depot locations, with the same commitment to reliable service and support.

Same Team

The same experienced people you know and trust.

Same Depots

Our depot locations remain the same across Australia.

Same Commitment

The same high standards of service, reliability and support.

One Website

Everything you need in one place.

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Commercial Diesel Generators for Sale & Hire

Browse our range of commercial diesel generators from trusted manufacturers including Perkins, Scania, Cummins, FPT Industrial and Yanmar. Available in single-phase and three-phase models from 8 kVA to over 1250 kVA.

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Why SGH?

Keeping Australia's Critical Operations Powered. Whether it's a planned project or an emergency response, SGH provides dependable power solutions backed by experienced technicians, quality equipment and nationwide support.

  • Nationwide coverage with fast dispatch from six major depots
  • Backup power, emergency response, and routine rentals
  • Qualified and licensed technicians and electricians on hand
  • Supporting construction, mining, healthcare, infrastructure and events

Not Sure What Size Generator You Need?

Choosing the wrong generator can lead to unnecessary fuel costs, poor performance and unexpected downtime. Our free Power Generator Size Calculator helps you estimate the right generator size based on the equipment you need to run.

Whether you're powering a construction site, event, business or backup system, it's a quick way to get started before speaking with one of our specialists.

  • Proven Power Solutions Across Australia

    See how SGH helps businesses overcome complex power challenges with reliable generator hire, installation and emergency response. Explore real projects delivered across construction, healthcare, infrastructure and industrial sectors.

  • Featured Project

    Snowy Hydro, NSW

    Supporting one of Australia's largest infrastructure projects with dependable temporary power solutions in demanding site conditions.

  • Featured Project

    South Pacific Private Hospital

    Delivering critical backup power for a healthcare facility where reliability and uninterrupted operation are essential.

Power Solutions for Every Industry

Powering Australia’s Homes, Businesses & Events

Whatever your need, we’ve got a generator for it available for hire or purchase

Explore Applications

Our Locations

Local Service, National Reach

We’ve got depots across Australia, ready to respond:

Generator Services

Full-Service Support for Every Generator

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What Our Customers Say

Rated 5 Stars by Clients Nationwide

Hear from businesses and homeowners who trust SGH for reliable power, service, and support.

  • SGH provide a seamless service. Byron and his crew are great to deal with, they made the whole process easy and stress free. They ensured minimal service disruption so our business could carry on as normal. Great communication and skilled trades. Highly recommended.

    SPAR Tweed Heads

  • Southern Gens gets the job done. No matter day or night they have helped in anyway possible to get power back on. Their electrical staff are particularly great to work with and always very helpful. Thanks SGH.

    Ross Annette

  • After 6 days of emergency power for our accommodation retreat due to a destructive storm. Luckily, Southern Generators & Electrical answered our telephone call with a wiliness to assist. With good timing and luck, the new fan belt was installed within 4 hours of breakdown.

    The Mouses House Rainforest Retreat

  • Chris and Mark always help us get the job over the line. Would recommend.

    Patrick

Expert Generator Advice & Industry Insights

Explore practical guides, buying advice and expert insights from the SGH team. Learn how to choose the right generator, plan temporary power, maintain your equipment and avoid common mistakes.

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Do you provide generator hire and generator sales across Australia?

Yes. SGH provides commercial generator hire, generator sales, servicing and emergency power solutions across Australia through our national depot network.

We supply diesel, portable, silent, standby and prime power generators for construction, mining, industrial, commercial, healthcare and infrastructure projects. Our team also provides delivery, installation, commissioning and ongoing support.

How quickly can SGH deliver a generator?

In many cases, SGH can dispatch and install generators within hours, depending on your location, equipment availability and site requirements. Our national depot network allows us to respond quickly to emergency outages and planned power projects across Australia.

Can SGH deliver and install generators anywhere in Australia?

Yes. SGH provides nationwide delivery, installation and commissioning for generator hire and generator sales. Our team ensures your generator is correctly installed, tested and ready for operation.

How do I choose the right generator for my needs?

Choosing the right generator depends on your electrical load, starting requirements, runtime and application. Our team can recommend the right solution for your project, or you can use our free Generator Size Calculator before requesting a quote.

What is included in SGH's generator servicing and maintenance?

Our generator maintenance services include scheduled servicing, preventative maintenance, diagnostics, testing, compliance checks and repairs to help maximise reliability and reduce downtime.

Generator Sales Information

Do you offer 24/7 emergency generator hire?

Yes. SGH provides 24/7 emergency generator hire across Australia, with rapid response from our national depot network.

Our team can quickly deliver, install and commission temporary power solutions to help minimise downtime for construction sites, commercial buildings, industrial facilities and critical infrastructure.

View our Emergency Generator Hire services

Generator Sales Information

Which industries does SGH support?

SGH supplies commercial power solutions for construction, mining, healthcare, infrastructure, manufacturing, utilities, events, agriculture and commercial facilities across Australia.

Whether you need temporary power, emergency backup or a permanent generator installation, our team can recommend the right solution.

Generator Sales Information

Ready to Get Powered?

Let SGH Handle Your Power Needs — Start Today

Whether you’re planning ahead or need emergency backup, our team is here to help.

Request a Quote