Power Generators for Purchase and Rental

Stuart Group Ltd are one of the largest privately owned independent power generation businesses in the UK offering diesel generators and gas generators for over 30 years.

We are an authorised dealer for FG Wilson branded generators and parts plus we can offer other branded new diesel generators from manufacturers like Marapco, Cummins and Bruno.

With a large stock of new diesel generators available for quick turnaround we can assist with most power applications requirements.

We also stock a large range of used diesel generators and gas generators from manufacturers such as Perkins, Cummins, Caterpillar, Volvo, Detroit, John Deere and others.

All generators are fully inspected and tested in our workshop prior to dispatch to ensure they are in the best condition and full working order ready for your use on arrival.

Our UK Head Office is based in Norfolk and we have three fully staffed depots in Immingham, Worcester and St Helens offering nationwide coverage if any problems arise.

We specialise in export sales with the facilities to load containers or organise shipping worldwide.

If you do not find what you need, get in contact as we may still be able to help you.


To stay up to date with the latest news and offers, sign up to our mailing list here.


Buy a generator...

Hire a generator...

Mobile Lighting Towers

Lighting Towers

Stuart Group Ltd offers a range of new and used lighting towers from leading manufacturers to cover your needs.

Lighting towers are perfect for providing light on construction sites, industrial sites, outdoor events and motorsport venues.

The products we offer have been selected in line with what we used on our own Rental Fleet.

Service Agreements

Generator Servicing

Generator maintenance and servicing should always be considered an essential part of ownership. Stuart Power maintains and services a comprehensive range of generators either as standalone systems or in combination with your uninterruptable power supply.

With a team of mobile qualified engineers, you can be sure that you can rely on us to provide a service when required 24/7.

STOR - Triad

STORE - Triad

Stuart Power is a National Grid Framework Partner. We Offer short term operating reserve generator sets. These sets can be Diesel, Gas or Bio Fuelled.
We offer design and installation assisting with National Grid and DNO procedural requirement.
We offer a large range of new and used stock, many used being ex Standby with only 100-500 hours. These are available at vast savings compared to new. STOR is a major investment therefore significant savings are possible with ex-standby set offering a much quicker return on capital investment.
We also offer joint venture opportunities to site owners with DNO connection locations.

FG Wilson Dealer

Call for details - 0845 6421662

We are one of the UK's largest authorised dealer of Caterpillar (NI) Limited for FG Wilson branded products, one of the world's largest diesel and gas generator manufacturers. Learn More

As a dealer we are able to supply the parts needed for any FG Wilson generator, which also includes the Perkins and Leroy Somer genset components. Learn More

FG Wilson Factory Stock

Open & Closed Sets
open fg wilson sets
canopy fg wilson sets

A Guarantee from our Company Managing Director

As the largest FG Wilson Dealer for the UK the products we offer for UK applications will meet our laws and protect you from prosecution.
We include CE Certification and bunded fuel tanks as required.
We strive to be the most competitively priced in the UK.
As you may know FG Wilson is a wholly owned by Caterpillar N.I. Limited Company so parallel products can be found in the open market in white and yellow finish. Buy your product from a UK dealer, buy wisely and enjoy the benefit of the Dealer Network of Trained Service Engineers. "Grey" products will not be dealer UK supported. True service has a cost, but we work efficiently and offer most models from stock or rapid delivery times if factory ordered.

New FG Wilson Generators

FG Wilson Generators

Power distribution

The GEK Orange Distribution Box offers flexible power distribution for a variety of applications.

Power Distribution

New Range

Hybrid Power

Stuart Power can integrate renewable energy for use with you usual generator set cutting down on greenhouse gas emissions and saving you money.

FG Wilson Generators

Eco - Friendly

Low Cost

Easy to Use


Go Top