100kVA Diesel Generator Hire

Reliable power from a 100kVA+ generator hire for large sites, industrial operations and temporary infrastructure, with fast delivery across Sydney, Melbourne, Brisbane and Adelaide. Opt Hire supplies site-ready equipment that is tested, tagged and ready to perform.

Get A Quote

Call 1300 678 447

100kVA+ Generator Specifications

Power Output	100kVA+ / ~80kW
Fuel Type	Diesel
Brand	Perkins / Cummins / Kubota / Trime (varies)
Phase	Single / 3-phase (model dependent)
Fuel Tank	680L
Runtime	30.9 hours
Noise Level	70.1 dBA
Starting Type	Electric start
Dimensions	2970×1172×1803mm
Weight	2034kg

Contact our team full datasheets and specific model specifications.

Contact Team

What Does a 100kVA+ Generator Power?

A 100kVA generator hire solution is designed for large-scale, high-capacity and mission-critical applications where uninterrupted power is essential across multiple systems and operations.

Typical uses include:
• Major construction and infrastructure projects with heavy machinery and multiple operational zones
• Industrial plants, production facilities and continuous processing systems
• Large-scale events requiring full-site power distribution, staging, lighting, AV and catering
• Commercial buildings requiring primary or backup power systems
• Critical infrastructure including healthcare, telecommunications and utilities

This generator size is commonly used as a primary power source or high-capacity backup system, supporting complex operations with continuous and reliable output.

For smaller jobs, see 85kVA diesel generator hire

Why Choose a 100kVA+ Diesel Generator

A diesel 100kVA+ generator hire is built for enterprise-level applications where performance, reliability and uptime are critical.

Diesel generators at this size are commonly chosen because they offer:

• High-capacity output for large-scale and multi-system operations

• Efficient fuel consumption across continuous and heavy-load usage

• Stable, consistent power delivery for sensitive and critical equipment

• Heavy-duty construction suited to industrial and infrastructure environments

• Reliable standby and primary power for essential services

Generators in the 100kVA+ category are typically used where power reliability directly impacts safety, operations and business continuity.

Explore diesel generator hire

Browse generator range

Explore Diesel Generators

How Hiring a 100kVA Generator Works

Hiring a 100kVA generator rental from Opt Hire is simple:

What's Included

Generator supplied ready for operation
Fuel level checked prior to delivery
Optional leads and distribution boards
Ongoing support and swap-out options if required

1. Enquire

Tell us what you need to power and your site requirements.

2. Confirm

We recommend the right 100kVA generator hire setup including accessories if required.

3. Delivered

Your generator arrives tested, tagged and ready for operation.

Areas We Serve

Generator Hire Across

NSW VIC SA QLD

We provide 100kVA generator hire Sydney, Melbourne, Brisbane and Adelaide, with delivery available across metro and regional locations.

We support projects across key commercial and industrial hubs including Parramatta, Blacktown, Wetherill Park and Alexandria, with delivery available across broader New South Wales.

We service metro and major project zones such as Thomastown, Epping, Tullamarine and Dandenong, with coverage extending across Victoria.

We supply power solutions to high-demand areas including Eagle Farm, Logan, Ipswich and Northgate, along with regional Queensland locations.

We cover industrial and project-focused areas such as Wingfield, Regency Park, Lonsdale and Gepps Cross, with service available across South Australia.

Get A Quote

Call 1300 678 447

Testimonials

OPT HIRE has been an invaluable partner to our project at Sunbury Road, Victoria. Their sustainable portable building solutions not only met our specific needs but also aligned perfectly with our commitment to reducing our carbon footprint.

Daniel, Construction Manager

I sincerely commend OPT HIRE for their outstanding support throughout the Lathams Road Project. The team’s commitment to supporting the project was invaluable. Their sustainable asset offering of hybrid power and lighting solutions not only aligned with our environmental goals but also significantly reduced our carbon footprint.

Ben, Project Director

Projects We've Powered

Keeping a Close Eye on Queensland Construction Sites

Opt Hire has supported a number of clients in Queensland with innovative site security solutions using sustainable CCTV technology to minimise theft and reduce operational downtime.

Revolutionising Power Solutions: The Instagrid Advantage

Unsure of the benefits associated with using Instagrid’s lithium-ion batteries as opposed to traditional diesel generators to power equipment on construction or industrial worksites? Here’s two real-world examples illustrating the advantages.

Winslow Reaps the Rewards of Battery-Powered Compaction

Since 1985, Winslow Infrastructure, a subsidiary of Winslow Group, has been responsible for the ongoing management of drainage works at the RBR Project in Truganina.

Lighting the Way for Maca Civil Staff

A competitive Tier 2 company working on the North East Link Project, MACA Civil is well-known throughout the civil infrastructure sector for partnering with Tier 1 companies on large-scale projects valued over $100M.

ALL CASE STUDIES

Generator Faq's

What does a 100kVA generator power?

A 100kVA generator can power large construction sites, industrial facilities, commercial buildings, major events and critical infrastructure requiring high-capacity, continuous power. It is commonly used where entire sites or operations depend on a single, reliable power source across multiple high-load systems.

How long will a 100kVA diesel generator run on a full tank?

A 100kVA diesel generator is designed for continuous operation across full-day, multi-day and 24/7 applications, making it suitable for critical environments. Runtime depends on load and fuel capacity, but these units are typically used for uninterrupted, long-duration power supply.

How much does it cost to hire a 100kVA generator?

The 100kVA generator hire cost depends on hire duration, delivery, fuel usage and any additional equipment such as distribution systems. These generators are typically used for large-scale, long-duration and mission-critical projects where reliable power is essential to operations.

Is a 100kVA generator single or 3-phase?

Most 100kVA diesel generators are supplied as 3-phase units, supporting industrial machinery, infrastructure systems and high-load applications that require stable, balanced power across multiple circuits.

Can I hire a 100kVA generator long-term?

Yes, 100kVA generator hire is commonly used for long-term infrastructure, commercial and industrial projects, particularly where continuous or primary power supply is required to maintain operations and business continuity.

Get Reliable 100kVa+ Power on site

Need a dependable 100kVA+ diesel generator?

Talk to Opt Hire for practical advice, fast quotes and site-ready delivery.

Get a Quote for 100kVA Generator Hire here:
Click Here

Call 1300 678 447 to Speak with Our Team

Please type your first name.

Please type your last name.

Please enter your phone number

Invalid email address.

Please tell us how big is your company.

Invalid Input

Subscribe here to receive regular Opt Hire updates.
Invalid Input