National Generator Sales
Expertise & Innovation in Power Generation
45 Years Of Experience In Power Generation
24-Hour Call Out & Free Quotes
Located Near London & Cambridge

Who are National Generator Sales?
With over 45 years of experience in power generation, National Generator Sales is your leading provider of innovative and advanced power solutions. We are strategically and centrally located just 36 miles from London and 15 miles from Cambridge, meaning we can serve many clients and industries with ease. Our highly responsive team boasts decades of combined experience in the industry and offers a rich wealth of knowledge regardless of the project we are undertaking. What’s more, we work alongside every client to understand their unique needs and provide custom solutions that deliver uninterrupted and reliable power supply every single time.
Our expertise in power solutions combined with the high-quality, advanced generators we provide sets us apart in the industry. If you’re seeking expertise and innovation in power generation, you need to look no further than National Generator Sales. Ready to ensure consistent, reliable and high-quality power to your premises? Contact us today for your FREE consultation!
Who can we help?
Our loyal customer base is a testament to our premium solutions for power generation. We provide innovative power generation services to an extensive and diverse range of clients including:
Infrastructure & Transport | Data Centres | Disaster Recovery Sites | Military Sites | Hospitals | Power Plants | Industrial & Construction | Wind Farms
Contact our expert team today for more information about the industries we work alongside.

Our Services
Powering Your Needs with Excellence

Diesel Generators
Our diesel generators offer a wide range of capacities from 6 kW to 4000 kW. They are lightweight and compact, which allows for quick installation and minimal floor space us age. We use components from top international brands to ensure high reliability, safety, and stable performance. With advanced electrical protection devices and optimised designs, our diesel generators meet the demands of an uninterrupted power supply.

Gas Generators
We offer gas-to-power systems which utilise natural gas, bio gas, LPG gas, and other gas variants to provide reliable power. Our gas generators and gas cogeneration units range from 10 kW to 2000 kW utilising NGS, Kubota, MAN, MWM and Perkins Engines for all our units. At National Generator Sales, we are pursuing becoming a leading gas-to-power product manufacturer and aim to provide our customers with units to satisfy their needs.

Stage V Generators
Our Stage V generators comprise new technology which adapts to your requirements and meets environmental regulations. They are versatile, efficient, sustainable and comply with the latest required European Union emissions regulations. Our range of Stage V generators incorporates the most advanced technology to provide a range of industries with cleaner, greener and 100% reliable energy.

Battery & Hybrid Power Systems
We offer advanced energy storage systems with intelligent energy scheduling and management control systems. This flexible combination of solar energy, wind energy, generator electricity, and city grid provides customers with high-quality electric energy. We provide Silent, Portable, Continuous and Emission-free power supply for residential, industrial and commercial industries. With five battery system categories, we cater to a wide range of needs.

Custom-Designed Generator Sets
We can also offer custom-designed generator sets which are uniquely tailored to meet specific project requirements. We can guide you through every step so that you fully understand your generator’s design and function. We can help you understand site restrictions, cooling airflow, noise limits, weather conditions and more to ensure your generator set is optimised for complete performance and reliability.
For any enquiries Call 01763 284108
Additional Services
Through our sister company, Engineering Electrics, we offer a range of additional services including:
Installation Services | Generator Specialists | Generator Control Systems & Switch Gear | Load Bank Testing | Generator & Load Bank Testing | Client Base Applications | And more!
Visit Engineering Electrics today for more information and see how our experts can help.


Partnering With Top Brands For Continued Excellence
At National Generator Sales, we partner with industry-leading brands for power generation. These continued partnerships mean that we can consistently provide high-quality excellence with every project that we undertake.
Deep Sea Electronics | ComAp | Perkins | Cummins | Volvo Penta | Scania | Mecc Alte | CAT Power Systems | Leroy Somer Alternator’s | Stamford Alternator’s | JCB Power Products | FG Wilson | John Deer | Mitsubishi | Kohler/SDMO | IVECO/FPT | Pramac
Why work with National Generator Sales?
45 Years of Experience
We have 45 years of experience in power generation, so you will receive outstanding excellence every time.
FREE Consultations & Quotes
We provide FREE consultations and FREE no-obligation quotations for all of our services. Ready to start your project? Contact us today!
24-Hour Call Out
We understand that power is the foundation of many industries, so we offer 24-hour call-out services to keep you powered up for longer.
Let’s power your future together – contact us for your FREE consultation!
National Generator Sales
Get In Touch
Phone :
Address :
Hay Green Farm, Hay Green
Therfield
Royston
Hertfordshire
SG8 9QN