Reliable electric generators for home backup, commercial and industrial applications. Browse diesel electric generators available for fast delivery from the UK worldwide.
An electric generator is one of the most dependable ways to provide a continuous power supply when mains electricity is unavailable, unreliable, or insufficient for operational needs. Whether you require emergency backup power for a home, a standby solution for a commercial premises, or a high-capacity industrial electric generator for critical infrastructure, choosing the right equipment is essential.
At Global Generators, we supply a wide range of diesel electric generators designed to deliver dependable performance across a variety of applications. From compact single-phase units for residential and light commercial use through to multi-megawatt power generators supporting large-scale industrial facilities, our range covers virtually every requirement.
As an authorised Cummins CPG dealer, we provide industry-leading generator solutions backed by competitive pricing, extensive stock availability, and decades of technical expertise. Our team has more than 50 years of combined experience helping customers select the right electrical generator for their operational requirements.
What Is an Electric Generator?
An electric generator is a machine that converts mechanical energy into electrical energy. In diesel-powered systems, a diesel engine drives an alternator, producing electricity that can be used to power equipment, buildings, machinery, or entire facilities.
Modern electric generators play a vital role in maintaining business continuity and operational resilience. They provide power during grid failures, support remote operations without access to mains electricity, and offer temporary power during planned maintenance or construction projects.
Diesel electric generators remain one of the most popular choices due to their durability, efficiency, and ability to deliver substantial amounts of power for extended periods, providing peace of mind that your electrical supply will always be protected when you need it most.
Different applications require different generator specifications. Selecting the correct electricity generator involves considering factors such as load demand, installation environment, operating hours, fuel consumption, and future expansion plans.
Our range includes solutions suitable for:
Home backup power
Offices and commercial buildings
Manufacturing facilities
Warehouses and logistics centres
Agricultural operations
Construction sites
Healthcare facilities
Telecommunications infrastructure
Utilities and critical infrastructure
Data centre facilities
Mining and industrial operations
Temporary event power
Whether you require a compact standby unit or a large-scale industrial installation, we can help identify the most suitable electric generator for your needs.
Single Phase and Three Phase Electric Generators
One of the most important considerations when selecting an electric generator is the output type.
Single-phase generators are commonly used in residential properties, small businesses, workshops, and light commercial applications. They are ideal for powering standard appliances, lighting systems, tools, and smaller electrical loads.
Three-phase electric generators are designed for higher-demand environments where equipment requires greater power output and efficiency. Industrial machinery, manufacturing equipment, pumps, compressors, and large commercial buildings often rely on three-phase power.
If you are unsure which option is appropriate, our specialists can assess your power requirements and recommend the most suitable configuration.
Silent and Open Generator Configurations
We supply both silent and open diesel electric generator configurations to suit different installation requirements.
Silent generators feature acoustic canopies or containerised enclosures designed to reduce operational noise. These are particularly popular in urban environments, commercial premises, hospitals, hotels, and residential areas where noise restrictions apply.
Benefits include:
Reduced sound levels
Improved weather protection
Enhanced security
Professional appearance
Simplified outdoor installation
Open-frame generators provide easy access for servicing and maintenance. They are commonly installed within dedicated plant rooms, generator houses, and engineered enclosures.
Open units are often preferred for industrial applications where accessibility and custom installation arrangements are priorities.
Why Choose Diesel Electric Generators?
Diesel generators continue to dominate the standby and prime power market due to their reliability and efficiency.
Key advantages include:
Diesel-powered generators are designed to operate under demanding conditions. They can provide dependable performance for both emergency and continuous operation.
Compared with many alternative fuel types, diesel fuel delivers excellent energy density and operational efficiency. This helps reduce operating costs over time.
High-quality diesel generators are engineered for longevity. With proper maintenance, they can provide reliable operation for many years.
Diesel systems are capable of delivering significant amounts of power across a wide range of applications, from small backup systems to utility-scale installations.
When connected through an automatic transfer system, standby generators can respond rapidly to mains failures, helping maintain critical operations and minimise downtime.
Choosing the Right Electric Generator Size
Selecting the correct electric generator size is crucial for performance, efficiency, and long-term reliability.
A generator that is too small may struggle to meet demand, while an oversized unit can operate inefficiently and increase operating costs.
Several factors influence sizing calculations, including:
Total connected load
Starting current requirements
Running wattage
Running watts
Future expansion plans
Duty cycle requirements
Environmental conditions
Understanding the required amount of power is the first step in identifying the correct size generator.
Our technical team can carry out detailed load assessments to ensure your chosen generator meets both current and future demands.
Standby, Prime and Continuous Power Applications
For reliable generation of electric, electric generator sets are commonly used across three primary operating categories.
Standby generators are installed to provide emergency backup power during utility outages. They remain on standby until needed and automatically start when a mains failure occurs.
Prime power generators serve as the primary source of electricity where grid access is unavailable or unreliable.
Continuous-duty generators are designed to deliver stable power around the clock for applications requiring uninterrupted operation.
Our experts can help determine the most appropriate specification based on your operational requirements.
Generator Solutions for Critical Industries
Businesses across multiple sectors rely on dependable generator solutions to maintain operations and protect valuable assets.
Every data centre depends on uninterrupted power availability. Generator systems help protect servers, networks, and critical infrastructure from costly downtime.
Industrial facilities require reliable power to maintain production schedules, protect equipment, and reduce operational disruption.
Hospitals and healthcare facilities rely on standby systems to support life-saving equipment and essential services during outages.
Temporary site power remains one of the most common uses for portable and stationary generators across the construction industry.
Generators support irrigation systems, livestock facilities, grain storage operations, and food production processes.
Purchasing Versus Hiring a Generator
Many organisations ask whether purchasing equipment or hiring a generator represents the best solution.
When considering hiring a generator, electric generator ownership can provide long-term value where equipment will be required regularly or permanently. Purchasing also gives operators complete control over maintenance schedules and availability.
However, short-term projects may benefit from hiring a generator instead.
Our team can help assess operational requirements and identify the most cost effective solution for your application.
Why Buy From Global Generators?
Choosing the right supplier is just as important as selecting the right generator.
Customers choose Global Generators because we offer:
As an authorised Cummins CPG dealer, we provide genuine products backed by manufacturer expertise and support.
As a leading stockist, we hold a wide range of generators in physical inventory, helping reduce lead times and support urgent requirements.
We supply generators throughout the UK and export worldwide, supporting customers across a broad range of industries and locations.
With over 50 years of combined industry experience, our specialists provide expert guidance throughout the purchasing process.
Frequently Asked Questions
An electric generator converts mechanical energy into electrical energy, providing electricity for homes, businesses, industrial facilities, and remote locations.
Single-phase generators are typically used for residential and light commercial applications, while three-phase generators support larger commercial and industrial electrical loads.
Diesel electric generators operate using diesel fuel stored within an integrated or external fuel tank.
Generator sizing is determined by evaluating your power requirements, including starting loads, running wattage, and future capacity needs.
Yes. Silent generators use acoustic enclosures designed to significantly reduce operational noise compared with open-frame models.
Absolutely. Many customers install generators specifically to provide backup power during utility outages.
We supply 50Hz generators suitable for a broad range of commercial, industrial, and international applications.
Industrial generators are widely used across manufacturing, healthcare, construction, agriculture, telecommunications, utilities, and data centre environments.
Runtime depends on load demand, fuel capacity, maintenance schedules, and generator specification. Many systems are designed for extended operation when properly maintained.
Yes. Global Generators supplies customers throughout the world, with fast delivery from the UK and efficient international export support.
Speak to the Electric Generator Experts
Whether you need a compact electrical generator for standby use or large-scale diesel electric generators for critical industrial operations, our experienced team can help you find the right solution.
Contact our electric generator UK experts today for more information about our range of electric generators or to reserve your generator. Get in touch by phone, WhatsApp, email, or through our and we'll be happy to assist.
* Product images for illustration purposes, actual products may differ slightly.