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Your Trusted UK Generator Brand
With over 50 Years in Provinding Expertise in Power Generation


Find, Size and Configure with Power Center

Power Center is the ultimate tool when planning your project, enabling you to instantly size and configure a generator that will meet your power needs.

Power Center


Find the right generator set for your power and project needs


Build and customize your own generator set to perfectly fit your needs


A set of calculators to assist in planning your generator set installation

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We Provide Power

Castle Power has the power that you need, as an appointed distributor of FG Wilson generator set, we can provide you a wide range of diesel generators from 8kVA to 1500kVA.


Castle Power focuses on providing customized solutions to its customer's power needs. We can be your partner in achieving your goals and plans. We have a competent, experienced, and professional team that works with integrity. 

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Get Assistance
Genset, Parts and Service Quotation

Please use the form below to let us know how we can assist you. 

Thank you! Our support team will get in touch with you soon.

Inquiry Form
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FG Wilson Diesel Generator Sets

Designed with industrial users in mind, our 6.8 – 2,500 kVA diesel generator product range can cover an array of applications and offer a continuous, reliable and safe power supply whether it be for a backup power or prime power application.

Product Range

Small Range (8kVA – 218kVA)

This range is best for residential, small businesses like mini-mart, dental, hardware, bakery, boutique, and similar areas.

Medium Range (250kVA – 625kVA)

A Trusted solution in critical sectors such as hospitals, refineries, petrochemical plants, the steel industry, and similar areas.

Large Range (1000kVA – 1500kVA)

This range is used as the main or secondary power source for industrial complexes or hospitals in addition to being used in regions where no power supply is available.

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FG Wilson Diesel Generator Operator Manual

The FG Wilson generator manual offer safety guidance and basic operation & fault finding, available as a pdf download.

Generator Set Registration

We know that reliability and peace of mind matters to you.  That is why we have introduced a customer registration system, allowing you to register your generator set with FG Wilson.

Keep Your FG Wilson Generator Working Well For Longer!

Genuine parts have been used to build your generator, these parts are selected by the manufacturer and rigorously tested to meet high quality, safety and performance standards.  This ensures your generator will operate the way it was intended.

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