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Freeman Energy Ltd
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Products / Services
Diesel Generator Sales
Derby, Nottingham and Leicester generator services serving the UK. We supply generator services nationwide, specialising in diesel power systems.
Whether you're looking for a brand new or used generator, our company offers only the best quality products to meet your needs. From compact portable generators to powerful industrial systems, we offer a wide range of new and used options that are sure to suit your budget and requirements. We can also offer financing.
Generator Hire
Regardless of your power needs, we've got the right generator for you. Be it a standard, silent generator hire or a customised 3-phase generator, we can provide exactly what you need, when you need it.
Freeman Energy is your ultimate destination for power generator hire, catering to diverse industries like construction, events, and TV and film. We are your one-stop solution for all temporary power requirements. Our range of generators for hire includes units from 20-500kVA, quick response road tow generators up to 500kVA, secure containerised generators, and our unique eco twin Powerpod units. But our silent generator hire services extend beyond just providing equipment. We also offer a comprehensive site set-up and a 24-hour support service, ensuring you’re well taken care of when you choose to hire a 3-phase generator or any other power solution from Freeman Energy.
Generator Installation
We have the capability to supply, deliver, position, install, and commission diesel generators and UPS systems in Derby, Nottingham, Leicester, and across the UK for businesses and individuals. With over 35 years of experience, we have developed expertise in our field. Our team offers the highest levels of skill and professionalism, and we provide responsive support after installation. We understand the importance of value for money and can install and commission your generator at a highly competitive rate without compromising on quality.
Generator Servicing
Whether you are using your generator for you primary supply of power, or it provides a vital back-up in-case of power failure in the main grid, it is essential that it is able to provide electricity when you need it. Timely and expert servicing from skilled generator engineers is vital in making sure your power supply reliable and is there when you need it. Freeman Energy are generator service engineers based near Derby, Leicester and Nottingham. We offer nationwide service and maintenance packages to make sure your power stays on. We primarily service diesel generators and fire pumps and cover all common makes and models of all outputs.
Generator Consulting
Freeman Energy are specialists in the field of diesel generators offering a comprehensive service from sales to scheduled maintenance, service and repair. From our base in Leicestershire near Derby and Nottingham we offer nationwide support to businesses across the UK. We can also give you the benefit of nearly four decades of experience working with power generators of all sizes and outputs. We provide a service as domestic and industrial generator consultants to help you make the right choices.
Generator Commissioning
Freeman Energy are specialists in the field of diesel generators offering a comprehensive service from sales to scheduled maintenance, service and repair. From our base in Leicestershire near Derby and Nottingham we offer nationwide support to businesses across the UK. We can also give you the benefit of nearly four decades of experience working with power generators of all sizes and outputs. We provide a service as domestic and industrial generator consultants to help you make the right choices.
Your Engine Preheating Specialists
Preheater specialists in the midlands and across the UK.As an official PowerHeat B.V. dealership we deliver (pre)heating products from all the leading brands: Carlor, Zerostart, Calix and PowerHeat. Derby, Nottingham and Leicester and across the UK.
We supply preheating systems to Original Equipment Manufacturers and aftermarket customers in many different industries worldwide.Also, as manufacturer we build our own innovative preheating solution.
From small to large engines to complex drive systems, our different preheating solutions cover a power range from 0,5kW to 26kW.
New Generators
At Freeman Energy we are dedicated to providing customized generator and critical power solutions to meet the specific needs of each individual customer. We offer comprehensive solutions and sound advice from initial sizing of sets to installation and commissioning.
We also supply auto transfer switches, fuel tanks and other associated equipment for generator installations.
Please contact us to discuss your company or personal generator requirements.
AKSA AC3000 3000.0kVA/2400.0kW New Diesel Generator
High quality, reliable and complete power unit
Compact design
Easy start and maintenance possibility
Every generating set is subject to a comprehensive test program which includes full load testing, checking and provision of all control and safety shut down functions testing
Fully engineered with a wide range of options and accessories: Canopy, sound proof canopy and on-road trailer
AKSA AC2750 2750.0kVA/2200.0kW New Diesel Generator
High quality, reliable and complete power unit
Compact design
Easy start and maintenance possibility
Every generating set is subject to a comprehensive test program which includes full load testing, checking and provision of all control and safety shut down functions testing
Fully engineered with a wide range of options and accessories: Canopy, sound proof canopy and on-road trailer.
EMSA E MH ST 2750 2750.0kVA/2475.0kW New Diesel Generator
Emergency Standby Power: Emergency standby power, provided by diesel generators, acts as a backup during power outages. These generators kick in swiftly during emergencies, ensuring continuity for critical operations. Ideal for homes, businesses, and industries, their usage duration should be limited to prevent wear. Strict standards like NFPA 110 ensure their reliability.
Prime Rated Power: Prime rated power generators serve as primary power sources, especially in remote locations. These diesel generators handle varying loads over extended periods, making them perfect for sites without grid access. Commonly mobile, they're crucial for mining, construction, and energy industries, offering consistent, prime-rated power supply.Continuous Operation Power: Continuous operation generators offer non-stop, stable power output, especially where grid access is inconsistent or expensive. These generators operate at a consistent 100% load, making them indispensable for remote mining, military, or farming sites. Unlike prime-rated generators, they don’t vary in power, ensuring unwavering power delivery.
Used Generators
Freeman Energy are committed to supplying quality used generators from 6 - 2500 kVa. All our second-user stock is serviced and tested prior to delivery. If we don't currently stock what you require, we can source quality used machines for your needs.
We also purchase redundant generators. Please contact us for best prices offered for your used power generation equipment. We can decommission, dismantle and remove used/redundant power generation equipment using our team of engineers and crane lorry.
Tanks
Freeman Energy supply tanks manufactured in the UK and that are moulded from Polyethylene using a rotational moulding process which produces a stress-free product.
Polyethylene tanks are popularly used for storing fuel for diesel generators. These tanks are effective at withstanding harsh environments and chemicals that may be in the fuel. They are made from a sturdy material that can resist corrosion and are designed to protect the stored fuel from external contamination. In addition, they are lightweight and easy to transport. Most importantly, polyethylene tanks are an environmentally-friendly option as they can be recycled and used again. Diesel generator polyethylene tanks provide a cost-effective and reliable solution to fuel storage.
2500 Litre Steel Bunded Feed Tank
Bunded steel generator feed tanks are designed to suit commercial applications where a permanent fuel supply to the generator is required. Fitted as standard with a suction feed and return connection, lockable lid and clock float gauge, this tank comes ready to use on-site.
Generators for Hire
At Freeman Energy we are dedicated to providing customized generator and critical power solutions to meet the specific needs of each individual customer. We offer comprehensive solutions and sound advice from initial sizing of sets to installation and commissioning.
We also supply auto transfer switches, fuel tanks and other associated equipment for generator installations.
Please contact us to discuss your company or personal generator requirements.
JCB Stage V G100RS V for Hire
Our Rental Range of generators are easily transportable, robust, professionally design, highly specified and include cutting-edge engine technology.
JCB Stage V G40RS V for Hire
Our Rental Range of generators are easily transportable, robust, professionally design, highly specified and include cutting-edge engine technology.
Battery Storage
Our battery energy storage solutions are ideal for events, working underground, out-of-hours applications, enclosed work sites or TV/film sets. Larger systems can manage multiple power sources such as traditional generators and wind turbines.
HUSSh POD 45/90 Battery Storage Hire
A powerful, silent battery power unit, the HUSSh Pod 45/90 has a 45kVA inverter and 90kwh of useable stored power - enough to power most small to medium site applications. It delivers reliable, clean, energy and can be combined with renewable and generator charging.
The HUSSh Pod 45/90 has unparalleled performance-reducing both harmful emissions and noise pollution. We are committed to delivering the best option for our clients' needs with a bespoke frame.
Other applications include remote telemetry for construction sites, demolition areas, roadside traffic monitoring, temperature monitoring, gas monitoring, weather monitoring and borehole water levels.
With access to each individual HUSSh Pod's energy consumption data, you can see when, where and how much energy is being used.
Demonstrate to supervisors and clients the savings on CO2 and fuel that are being made.
Using the web-based app, adjustments can be made to the HUSSh Pod's energy management.
Generac Mobile Battery Energy Storage 40 kVA/32 kW 90 kWh 220/120V Hire
The MBE40 provides single-phase power output for mobile power applications with the advantage of zero sound and zero emissions. When connected to a compatible diesel generator, it creates a hybrid system optimizing the generator and BESS operation to power varying load requirements. The BESS automatically turns the generator on to recharge the batteries and provides peak power output and turns off when not needed to maximize efficiency.
JCB 1.50QE Battery Pack Hire
The JCB battery power pack is a great energy storage solution. With less noise and zero emissions, it provides power wherever and whenever you need it.
- Zero emissions of CO2, Nox and Particulates.
- Solar inputs for clean recharging.
- No noise in use.
- Can provide power overnight.
- Solar panel connectivity.
- Stackable up to 3 units high for minimal storage.
- 100% all steel enclosure for maximum protection.
- High-density automotive grade Li-ion batteries.
Fuel Bowsers
When fuel deliveries are restricted to a site, or if there is limited storage, fuel bowsers provide the perfect solutions to ensure uninterrupted supply.
Freeman Energy's range of fuel bowsers have capacities ranging from 105L to 5000L and include forklift-friendly and road tow options. They offer an environmentally safe way to transport and store fuel.
Spare Parts
Perfectly placed in the midlands to serve Derbyshire, Nottingham, Leicester and the UK, we are generator spare parts suppliers with more than 30 years of experience. We can supply all the diesel generator spare parts you need to keep your power system running smoothly. We can supply engine controllers by Deepsea Electronics, ComAp and Mecc Alte, engine heaters, battery chargers and filtration products, From individual nuts and bolts to entire engines, we have you covered.
What is more we have engineers who can fit the parts for you and carry out minor repairs to major rebuilds in our workshop facility or on-site.
We believe that quality should not be compromised when it comes to sourcing spares for generators. Whether they are kept running for many hours a day, or are there to provide emergency power when the main supply fails, it is vital that they work when they need to. Using sub-standard parts increases the likelihood of your generator letting you down, and that is why we make sure we source only the best quality spares. With our comprehensive knowledge of the industry we are also able to make sure you get the best price too.
Transport
Derby, Nottingham and Leicester generator services serving the UK. We supply generator services nationwide, specialising in diesel power systems.
We supply generator services nationwide, specialising in diesel power systems. We are a full-service company which means we can provide everything your company needs to manage your generator power system, whatever your requirements. We supply, install, commission, service and repair all types of generators from small power generators to large scale industrial systems.
Fuel Services
Reliable fuel services and bowsers from Freeman Energy
When fuel deliveries are restricted to a site, or if there is limited storage, fuel bowsers provide the perfect solutions to ensure uninterrupted supply.
Freeman Energy's range of fuel bowsers have capacities ranging from 105L to 5000L and include forklift-friendly and road tow options. They offer an environmentally safe way to transport and store fuel.
About us
Freeman Energy Ltd are expert diesel generator engineers serving Derby, Leicester, Nottingham and the wider Midlands region. With over 35 years in the industry, we’ve earned a strong reputation for delivering exceptional customer service and comprehensive power solutions.
Our clients include everything from major corporations and local councils to small businesses and homeowners. Based in Leicestershire, at the heart of the East Midlands, we provide nationwide service—no matter your location or needs, we’ve got you covered.
Our Products Include:
New Generators
At Freeman Energy, we specialise in tailored generator and critical power solutions, designed to match each customer’s unique requirements. From initial set sizing to full installation and commissioning, we provide expert guidance and end-to-end support.
Used Generators
Freeman Energy supplies high-quality used generators ranging from 6 to 2500 kVA. Every unit is fully serviced and tested before delivery. If we don’t have the exact model you need in stock, we’ll source a reliable used generator to meet your requirements.
Tanks
Polyethylene tanks are a popular, eco-friendly choice for diesel generator fuel storage. Durable and corrosion-resistant, they withstand tough conditions and protect fuel from contamination. Lightweight and easy to move, they offer a reliable and cost-effective storage solution.
Spare Parts
Centrally located in the Midlands, we supply diesel generator spare parts across Derbyshire, Nottingham, Leicester, and the UK. With over 30 years of experience, we provide everything from engine controllers (Deepsea, ComAp, Mecc Alte) to heaters, chargers, filters—even full engines and fittings.
… And more.
Our Services Include:
Installation
With over 35 years of industry experience, we supply, deliver, position, install, and commission diesel generators and UPS systems for clients across Derby, Nottingham, Leicester, and the UK. Our skilled team ensures professional service, responsive aftercare, and cost-effective solutions without sacrificing quality.
Servicing
Whether your generator is your main power source or a crucial backup during outages, it must deliver electricity reliably when needed. Expert, timely maintenance by skilled engineers is essential. Based near Derby, Leicester, and Nottingham, Freeman Energy offers nationwide servicing and maintenance for diesel generators and fire pumps of all major makes and capacities.
Consulting
Freeman Energy are diesel generator experts providing a full range of services—from sales and repairs to scheduled maintenance. Based in Leicestershire near Derby and Nottingham, we support businesses nationwide. With nearly 40 years of experience, we also offer consultancy for both domestic and industrial generator solutions to help you choose wisely.
Commissioning
Freeman Energy are diesel generator experts providing a full range of services—from sales and repairs to scheduled maintenance. Based in Leicestershire near Derby and Nottingham, we support businesses nationwide. With nearly 40 years of experience, we also offer consultancy for both domestic and industrial generator solutions to help you choose wisely.
Situated in the heart of the UK’s generator manufacturing hub, we’re close to many top brands. This enables us to quickly access and source high-quality spare parts—often the same day. We service all major international brands, ensuring we can meet any diesel generator need efficiently.
Have a project where we can assist? We’d love to connect with you.