Reliable electricity is essential for homes, commercial buildings, factories, hospitals, schools, hotels and other institutions. Although Kenya has an established national electricity supply network, power interruptions, voltage fluctuations and increasing demand for reliable electricity have made backup power systems an important investment.
Power generators provide a dependable alternative source of electricity during outages. They are particularly useful for businesses that depend on continuous power to operate machinery, computers, refrigeration equipment, security systems and other essential installations.
Nairobi has several companies specialising in the supply, installation, servicing and maintenance of power generator systems. These suppliers offer different types of generators, including diesel generators, petrol generators, industrial generator sets, silent generators and automatic standby power systems.
This article explores some of the Power Generator Systems Suppliers in Nairobi, their locations, areas of specialisation and services available to residential, commercial and industrial customers.
1. Colt Power Solutions
Colt Power Solutions, a division of Simba Corporation, is one of the established providers of generator systems in Kenya. The company specialises in diesel generator supply, installation, commissioning, maintenance and spare parts.
Its generator portfolio includes Colt and AKSA generators, alongside systems powered by Cummins and Doosan engines. The company provides solutions for residential properties, commercial buildings, industrial facilities and large institutions.
Common products and services include:
-
Portable diesel generators for domestic and small commercial applications.
-
Domestic generators ranging from approximately 12kVA to 75kVA.
-
Commercial generator systems ranging from approximately 100kVA to 330kVA.
-
Industrial generators for large-scale power requirements.
-
Automatic mains failure (AMF) and automatic changeover systems.
-
Generator synchronisation and power-sharing installations.
-
Generator maintenance contracts and spare parts.
-
Generator rental and leasing solutions.
Colt Power Solutions is particularly suitable for customers requiring professionally engineered generator installations and long-term technical support.
Location: Shimo La Tewa Road, off Mombasa Road, Nairobi.
Telephone: 0703 046000 / 0703 046101
Email: salescoltpower@simbacolt.com
Website: https://coltpower.co.ke/
2. Car & General (Trading) Ltd – Generators Kenya
Car & General is a recognised distributor of industrial equipment and power generation solutions in East Africa. Through its generator division, the company supplies generator sets for domestic, commercial and industrial applications.
Its generator operations are associated with Cummins-powered equipment and supporting services. Customers can enquire about different generator capacities depending on their electricity requirements.
Services and products include:
-
Diesel generator sales.
-
Commercial and industrial generator installations.
-
Generator spare parts.
-
Generator servicing and repairs.
-
Technical consultation and equipment selection.
-
Backup power solutions for businesses and institutions.
-
Generator maintenance and after-sales support.
The company is worth considering for organisations seeking an established equipment distributor with a wider service and distribution network.
Location: Cargen House, Lusaka Road, Industrial Area, Nairobi.
Telephone: 0800 724600
Website: https://www.cargen.com/
3. Famiar Generating Systems Ltd
Famiar Generating Systems is a Nairobi-based company specialising in power generation equipment and backup electricity solutions.
The company serves customers who require dependable generator installations for commercial buildings, industrial facilities and other establishments where electricity interruptions can affect operations.
Its services cover several aspects of generator ownership and operation.
Commonly available services include:
-
Supply of diesel generator sets.
-
Commercial and industrial backup power systems.
-
Generator installation and commissioning.
-
Generator servicing and maintenance.
-
Generator repairs and troubleshooting.
-
Spare parts supply.
-
Generator rental and temporary power solutions.
-
Generator testing and technical support.
Famiar is worth considering when sourcing generator systems together with supporting technical services.
Location: Spectrum Business Park, Go-Down No. 40, Nairobi.
Telephone: 0727 317777
4. Gaston Kenya Ltd
Gaston Kenya Ltd provides generator equipment and electrical engineering solutions for residential, commercial and industrial customers.
The company is associated with diesel generator systems, including silent generators designed to minimise operating noise. These systems are useful in office buildings, residential developments, hospitals, hotels and commercial establishments.
Its areas of specialisation include:
-
Diesel generator supply.
-
Silent and soundproof generator systems.
-
Perkins generator sets.
-
Generator installation and commissioning.
-
Electrical installations.
-
Generator maintenance and repairs.
-
Power distribution equipment.
-
Technical assistance and generator servicing.
Customers looking for generators for buildings with strict noise requirements can enquire about the company's silent generator options.
Location: Gaston Lane, Garden Estate area, Nairobi.
Telephone: 0722 816212 / 020 2463753
5. Blackwood Hodge Kenya Ltd
Blackwood Hodge Kenya Ltd is an industrial equipment supplier with operations in Nairobi. The company supplies machinery and equipment for industrial, construction and commercial applications, including generator systems.
Its generator solutions are relevant to organisations requiring reliable standby or primary power for their operations.
Services and products include:
-
Industrial diesel generators.
-
Generator equipment and accessories.
-
Generator spare parts.
-
Equipment servicing and maintenance.
-
Technical support.
-
Industrial machinery and related equipment.
Blackwood Hodge is an option for industrial customers seeking generator equipment from an established engineering and machinery supplier.
Location: Enterprise Road / Homa Bay Road area, Industrial Area, Nairobi.
Telephone: 0722 205444
Website: https://www.blackwoodhodge.com/
6. Nginu Power Engineering (EA) Ltd
Nginu Power Engineering is an electrical and power engineering company based along Likoni Road in Nairobi's Industrial Area.
The company provides generator-related engineering services, including equipment supply, installation, commissioning and maintenance. It also undertakes electrical infrastructure projects for commercial and institutional customers.
Its services include:
-
Diesel generator supply.
-
Generator installation and commissioning.
-
Generator maintenance and repairs.
-
Electrical system design and installation.
-
Generator control systems.
-
Power distribution installations.
-
Spare parts and technical support.
-
Solar and other power infrastructure solutions.
Nginu Power Engineering is worth considering for projects that require both generator equipment and supporting electrical engineering work.
Location: Likoni Road, Industrial Area, Nairobi.
Telephone: 0736 100110 / 020 2050163
Email: info@nginupower.co.ke
Website: https://nginupower.co.ke/
7. Green Camel Investments Ltd
Green Camel Investments Ltd is listed among Kenyan generator installation contractors and power equipment providers. The company offers generator-related solutions to customers in Nairobi and other parts of the country.
Its services are relevant to residential, commercial and institutional customers seeking backup electricity systems.
Potential service requirements to discuss include:
-
Generator supply.
-
Generator installation.
-
Generator commissioning.
-
Backup power planning.
-
Generator servicing and maintenance.
-
Technical assistance.
Customers should contact the company to confirm the generator brands, capacities and current service packages available.
Location: Magharibi Place, opposite T-Mall, Nairobi.
Telephone: 020 2418161 / 0733 403403
Email: info@thegreencamelltd.com
Website: https://thegreencamelltd.com/
8. YorPower Manufacturing Ltd
YorPower Manufacturing Ltd is another generator installation contractor listed in Kenya's electrical engineering industry directory.
The company is associated with generator supply and power generation installations. Its services are relevant to commercial establishments, industrial facilities and organisations requiring professionally installed backup power equipment.
Customers can enquire about:
-
Generator supply and selection.
-
Industrial generator installations.
-
Generator commissioning.
-
Standby power systems.
-
Generator maintenance.
-
Technical support and spare parts.
The company operates from Saku Business Park in Nairobi.
Location: Warehouse No. 1, Saku Business Park, Nairobi.
Telephone: 020 2101575 / 0726 398894
Email: sales@yorpower.co.ke
Website: https://yorpower.co.ke/
9. Electrowatts Ltd
Electrowatts Ltd provides electrical engineering and power equipment solutions in Nairobi. Its services extend to generator installations, servicing, repairs and other electrical power infrastructure requirements.
The company is worth considering for customers looking for a supplier that can support generator systems alongside electrical installations and related equipment.
Services include:
-
Generator installation.
-
Generator servicing and repairs.
-
Generator maintenance and overhaul.
-
Electrical engineering services.
-
Power equipment supply.
-
Solar and hybrid power solutions.
-
Technical support.
Location: Butere Road, Nairobi.
Telephone: 020 550123
10. Delta Energy Systems (K) Ltd
Delta Energy Systems (K) Ltd is listed among generator installation contractors in Kenya. The company provides power engineering services for customers requiring dependable electricity systems.
Its services are relevant to commercial and industrial power requirements, where properly designed generator installations are important for business continuity.
Customers can enquire about:
-
Generator supply and installation.
-
Generator commissioning.
-
Standby power installations.
-
Electrical engineering.
-
Generator maintenance.
-
Power system integration.
-
Technical consultation.
Telephone: 0719 500739 / 0775 132555
Email: info@deltaenergysystems.co.ke
Website: https://deltaenergysystems.co.ke/
11. Davis & Shirtliff
Davis & Shirtliff is a major East African supplier of water, energy and related equipment. The company offers power and energy solutions alongside its established water equipment business.
Its energy product range makes it a useful company to contact when comparing different power solutions, including backup systems and renewable energy installations.
Customers can enquire about:
-
Power generation equipment.
-
Backup electricity solutions.
-
Solar power systems.
-
Energy storage equipment.
-
Electrical accessories.
-
Technical consultation and installation support.
Davis & Shirtliff is particularly relevant to customers considering a combination of conventional backup power and renewable energy technologies.
Location: Dundori Road, Industrial Area, Nairobi.
Telephone: 020 6968000 / 0711 079000
Email: sales@dayliff.com
Website: https://www.davisandshirtliff.com/
12. Kenwan Services Ltd
Kenwan Services Ltd is a Nairobi-based supplier listed in the generator equipment category. The company serves customers seeking power generation equipment and related products.
Customers can enquire about generator models suitable for domestic, business and commercial applications.
Areas to discuss include:
-
Generator sales.
-
Diesel and petrol generator options.
-
Generator accessories.
-
Backup power equipment.
-
Generator maintenance arrangements.
-
Technical support and product recommendations.
Location: Teak House, Ground Floor, Kweria Road, off Kirinyaga Road, Nairobi.
Telephone: 0728 900121 / 0722 266973
Email: sales@kenwan.co.ke
13. Critical Power East Africa
Critical Power East Africa specialises in power backup solutions, including generators and related equipment. The company serves customers requiring dependable electricity for critical operations.
Its solutions are relevant to commercial buildings, institutions and businesses that cannot afford extended power interruptions.
Services and products to enquire about include:
-
Generator supply.
-
Backup power solutions.
-
Generator installation.
-
Power continuity planning.
-
Generator servicing and technical support.
Location: Mayfair Business Centre, Parklands Road, Westlands, Nairobi.
Telephone: 0722 766655
14. Ryce East Africa Ltd
Ryce East Africa Ltd is an established automotive and industrial equipment supplier with operations in Nairobi. The company is associated with generator distribution and technical support, including Rehlko generator systems.
Its generator solutions are suitable for businesses and institutions requiring dependable standby or industrial power.
Services include:
-
Generator sales.
-
Commercial and industrial generator systems.
-
Generator installation and commissioning.
-
Spare parts supply.
-
Generator servicing.
-
Technical support and maintenance.
Location: Kampala Road, Nairobi Industrial Area.
Telephone: 0724 256665
15. PowerProKe Ltd
PowerProKe Ltd provides generator reliability, installation and maintenance services in Nairobi. The company focuses on commercial and industrial diesel generator systems.
Its services are particularly relevant to organisations that need more than equipment supply and require technical assistance throughout the generator's operating life.
Services include:
-
Generator installation and commissioning.
-
Generator maintenance.
-
Generator troubleshooting.
-
Electrical and switchgear integration.
-
Automatic transfer switch installations.
-
Generator load testing.
-
Preventive maintenance.
-
Industrial generator reliability services.
Location: Vision Towers, Muthithi Road, Nairobi.
Telephone: 0762 816825
16. Steve Roberts Generators Company Ltd
Steve Roberts Generators Company Ltd is a Nairobi CBD-based generator supplier and service provider.
The company deals with generator equipment, spare parts and technical services for customers operating different types of generator systems.
Its services include:
-
Generator sales.
-
Diesel generator spare parts.
-
Generator repairs.
-
Generator servicing.
-
Generator installation and commissioning.
-
Engine overhaul.
-
Technical support for commercial and industrial generator systems.
Location: Kirinyaga Road, Accra Lane, Nairobi CBD.
Telephone: 0722 855254
17. Multivista Kenya Ltd
Multivista Kenya Ltd is an industrial equipment supplier based along ICD Road off Mombasa Road. Its product and service portfolio includes diesel engine equipment and industrial power-related solutions.
Customers can enquire about generator-related equipment, diesel engine support and associated industrial components.
Its services are particularly relevant to organisations looking for industrial equipment and technical support.
Location: Atlantis Business Park, ICD Road, off Mombasa Road, Nairobi.
Telephone: 0731 982040
18. Hangool Enterprises Ltd
Hangool Enterprises Ltd supplies generators and industrial machinery in Nairobi. Its product range includes diesel generators and petrol-powered generator options for different applications.
The company is worth considering for customers looking for equipment for residential properties, small businesses, workshops and commercial facilities.
Products to enquire about include:
-
Silent diesel generators.
-
Diesel generators with automatic transfer switches.
-
Petrol generators.
-
Portable generator systems.
-
Industrial machinery and equipment.
-
Generator accessories.
Location: Funzi Road, Industrial Area, Nairobi.
Telephone: 0728 877528
19. Emerson Industrial Maintenance Services
Emerson Industrial Maintenance Services (EmersonEIMS) is an engineering and industrial maintenance provider based in Nairobi.
The company offers generator sales and technical services, including delivery, installation and commissioning. Its services are relevant to businesses seeking complete power generation installations.
Common services include:
-
Generator sales.
-
Generator delivery and installation.
-
Generator commissioning.
-
Automatic changeover and ATS integration.
-
Generator maintenance and repairs.
-
Industrial electrical services.
-
Spare parts and technical support.
Location: Embakasi, off Airport North Road, Nairobi.
Telephone: 0768 860665
20. Gaston and Other Specialist Generator Dealers
In addition to the established suppliers listed above, Nairobi has several specialist generator dealers and engineering businesses that customers can approach when comparing available generator systems.
Other businesses worth researching include:
-
Almajd Power Kenya Ltd.
-
Aksa Enterprises.
-
Electra Recyclers and Systems Ltd.
-
Scaddan Power Ltd.
-
Gridtone Engineering.
-
Baraka Diesel & Electrical Ltd.
-
Zoriel Power Systems Ltd.
Their services and product availability should be confirmed directly before making procurement decisions. Some specialise more in repairs, spare parts or electrical engineering than in supplying complete new generator systems.
Common Types of Power Generator Systems Available in Nairobi
Generator suppliers in Nairobi provide different equipment depending on the intended application, electricity requirements and available fuel.
| Generator system | Main characteristics | Common applications |
|---|---|---|
| Diesel generators | Durable and suitable for demanding applications | Factories, hospitals and commercial buildings |
| Petrol generators | Generally available in smaller and portable capacities | Homes, shops and small businesses |
| Silent generators | Enclosed in sound-reducing canopies | Hotels, offices, apartments and hospitals |
| Industrial generators | Designed for higher electrical loads | Manufacturing plants and large institutions |
| Portable generators | Easy to transport and deploy | Construction sites and outdoor activities |
| Standby generators | Automatically or manually activated during outages | Homes, offices and institutions |
| Prime power generators | Designed to operate as a regular power source | Remote facilities and industrial operations |
| Gas generators | Use gaseous fuels for electricity production | Selected industrial and commercial installations |
| Hybrid generator systems | Combine generators with solar and battery storage | Commercial buildings and energy-intensive facilities |
Common Generator Installation and Maintenance Services
Purchasing a generator is only one part of establishing a reliable backup electricity system. Professional suppliers also provide technical services that ensure the equipment is correctly installed and maintained.
The following are some commonly offered services.
1. Generator sizing and load assessment
Generator sizing involves calculating the electricity demand of the appliances, machinery and equipment that need backup power.
Professional technicians assess the total electrical load, starting currents, power factor and expected operating conditions before recommending a generator.
2. Generator installation
Installation involves positioning the generator in a suitable location and connecting it to the electrical distribution system.
The process may include:
-
Preparing the generator foundation.
-
Installing electrical cables.
-
Setting up fuel storage and supply systems.
-
Installing exhaust systems.
-
Providing adequate ventilation.
-
Installing earthing and safety equipment.
3. Automatic changeover system installation
Automatic Transfer Switches (ATS) allow a generator to take over when the main electricity supply fails.
The system detects a power interruption and initiates the generator starting sequence. Once the main electricity supply returns, the system transfers the load back to the grid according to its configured operating sequence.
4. Generator servicing
Routine servicing helps maintain the efficiency and reliability of generator systems.
Common maintenance activities include:
-
Changing engine oil.
-
Replacing oil and fuel filters.
-
Checking coolant levels.
-
Inspecting batteries and charging systems.
-
Cleaning air filters.
-
Checking belts and hoses.
-
Inspecting electrical connections.
-
Testing generator performance.
5. Generator repairs and troubleshooting
Generators can develop mechanical, electrical and fuel system problems. Professional technicians diagnose faults and undertake the necessary repairs.
Common problems include starting difficulties, overheating, low oil pressure, unstable voltage, fuel leaks and battery failures.
6. Generator load testing
Load testing helps determine whether a generator can deliver its rated electrical output under operating conditions.
It is especially useful for hospitals, factories, commercial buildings and other facilities that depend on backup electricity.
7. Generator spare parts supply
Generators require replacement components during servicing and repairs. Suppliers may provide filters, batteries, alternators, starter motors, injectors, belts, sensors and other engine components.
Using suitable genuine or manufacturer-approved parts helps maintain equipment performance and reliability.
How to Choose the Right Power Generator Supplier in Nairobi
Selecting a generator supplier requires more than comparing equipment prices. Customers should consider the technical capabilities of the supplier, equipment quality and availability of after-sales services.
Important considerations include:
-
Generator capacity: Choose a supplier that can assess your electrical load and recommend the correct kVA rating.
-
Generator brands: Ask about available manufacturers, engine brands, alternators and warranty coverage.
-
Installation experience: Consider suppliers with qualified technicians and experience installing similar generator systems.
-
After-sales support: Ensure the supplier can provide routine servicing, repairs and technical assistance.
-
Spare parts availability: Confirm that replacement parts are accessible locally.
-
Fuel consumption: Compare fuel consumption at different operating loads rather than relying only on advertised figures.
-
Noise levels: For residential and office installations, consider silent generators with suitable acoustic enclosures.
-
Warranty: Request written warranty information covering the engine, alternator and other major components.
-
Maintenance contracts: For commercial and industrial systems, consider suppliers offering scheduled preventive maintenance.
-
Installation safety: Ensure that electrical connections, exhaust arrangements, ventilation and fuel storage comply with applicable safety requirements.
Estimated Factors Affecting Power Generator Prices in Nairobi
Generator prices vary considerably depending on capacity, brand, fuel type, features and installation requirements. A small portable petrol generator will generally cost less than a large industrial diesel generator.
| Pricing factor | How it affects the cost |
|---|---|
| Generator capacity | Higher kVA ratings generally increase equipment prices |
| Engine manufacturer | Different engine brands have different price points |
| Generator enclosure | Silent canopies may increase the purchase price |
| Automatic changeover | ATS and AMF systems add to installation costs |
| Fuel system | Fuel tanks and additional fuel infrastructure affect project costs |
| Installation | Cabling, foundations and electrical integration add expenses |
| Transportation | Delivery distance and equipment size affect logistics costs |
| Maintenance package | Extended warranties and maintenance contracts may affect total ownership costs |
Customers should request quotations from at least three suppliers. Quotations should separately indicate equipment costs, delivery, installation, commissioning, accessories, warranties and applicable taxes.
Frequently Asked Questions About Power Generator Systems in Nairobi
1. Which companies supply industrial generators in Nairobi?
Some companies to contact include Colt Power Solutions, Car & General, Famiar Generating Systems, Blackwood Hodge, Gaston Kenya and Nginu Power Engineering.
2. What size generator do I need for my business?
The required capacity depends on the total electrical load, starting currents of equipment and whether the generator will operate as standby or prime power. A professional load assessment is recommended.
3. What is the difference between a silent and an open generator?
A silent generator has an acoustic enclosure that reduces operating noise. An open generator does not have the same soundproof canopy and is generally installed in a suitable dedicated generator room or other controlled location.
4. Are diesel generators suitable for commercial buildings?
Yes. Diesel generators are widely used for commercial and industrial backup power because they are available in different capacities and can support substantial electrical loads.
5. How often should a generator be serviced?
Service intervals depend on the manufacturer's recommendations, operating hours and working conditions. Many commercial generators require scheduled inspections and servicing based on operating hours.
6. Can generators start automatically during power outages?
Yes. Generators fitted with compatible Automatic Mains Failure (AMF) controls and Automatic Transfer Switches can start automatically when the main electricity supply fails.
7. Do generator suppliers in Nairobi provide installation services?
Many established suppliers provide installation and commissioning. However, customers should confirm whether installation is included in the quotation or charged separately.
8. What is generator synchronisation?
Generator synchronisation involves connecting two or more generators so that they operate together and share an electrical load. It is useful for large facilities requiring higher power capacity or operational redundancy.
9. Can a generator work together with solar panels?
Yes. Hybrid energy systems can combine generators, solar panels, inverters and batteries. The arrangement can reduce generator running hours and fuel consumption when properly designed.
10. Where can I buy generator spare parts in Nairobi?
Generator suppliers and specialist engineering companies such as Car & General, Colt Power Solutions, Blackwood Hodge and Steve Roberts Generators can be approached for spare parts. Confirm compatibility with your generator model before purchasing.
Reliable generator systems are important investments for homes, businesses and institutions that require uninterrupted electricity. Nairobi has several established suppliers offering generator equipment, installation, commissioning, servicing, repairs and spare parts.
When selecting a supplier, customers should consider generator capacity, equipment quality, fuel efficiency, installation expertise and long-term maintenance support. Comparing quotations and requesting a professional load assessment can help ensure that the selected generator meets the property's electricity requirements without unnecessary expenditure.
Whether you require a small standby generator for a home, a commercial backup system for an office or a high-capacity industrial generator for a manufacturing facility, Nairobi has several specialist providers worth contacting.