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Generator Sets

Generator sets, commonly known as gensets, are integrated power generation systems that combine an engine with an electrical generator to produce electricity. The engine, typically fuelled by diesel, natural gas, petrol or biofuel, drives the generator to convert mechanical energy into electrical energy. Generator sets range in capacity from small portable units of a few kilowatts to large industrial installations capable of producing several megawatts. They serve as either primary power sources in areas without grid access or as backup power systems for critical facilities such as hospitals, data centres, mines and manufacturing plants. In Africa, generator sets play a vital role in mitigating the effects of unreliable grid supply and loadshedding, particularly in the mining, manufacturing, telecommunications and commercial sectors. The market encompasses standby, prime and continuous-duty configurations, each designed for different operational profiles and duty cycles. Leading global manufacturers include Caterpillar, Cummins, Kohler, Perkins and WEG, alongside regional suppliers and distributors. Generator sets require regular maintenance, fuel supply logistics and emissions management, with newer models incorporating advanced control systems, remote monitoring and hybrid configurations. The technology remains essential to industrial operations across sub-Saharan Africa, where power security is a persistent constraint on economic activity. Demand for generator sets has grown in response to energy shortages, with businesses investing in on-site generation to ensure operational continuity and protect against revenue losses from power interruptions.

Latest Articles in 60 Seconds

HIMOINSA Southern Africa targets mining sector with turnkey power solutions

Global power generation specialist HIMOINSA, part of the YANMAR Group since 2015, is strengthening its position as a turnkey power provider to Southern and East African mining and industrial customers, company representatives said at Electra Mining Africa, held in Johannesburg from September 7 to 11, 2026. Headquartered in Gqeberha with sales and service centres in Johannesburg, Cape Town and Dar es Salaam, the company supplies diesel and gas generator sets, lighting towers and energy storage, and offers short- and long-term rental, including build-operate-transfer arrangements, alongside local technical support and OEM-qualified spare parts.

WEG partners on hybrid energy funding, customises gensets for site-specific needs

Electric technologies provider WEG has signed a memorandum of understanding with Energy Venture Capital to jointly finance hybrid energy projects worth R5-million to R500-million, spanning battery storage, electric vehicle charging and generator sets. Separately, WEG Africa's Generator Sets Division stresses that customisation, covering power output, fuel type, noise reduction and controls, requires coordinating requirements from electrical engineers, procurement and project managers, with site assessments used to meet ISO 8528 and other standards.

Jozi Power rents containerised diesel gensets to African mines

Jozi Power Limited operates a fleet of containerised one-megawatt and two-megawatt diesel generator sets for short- to medium-term rental to African mines, paired with step-up transformers to deliver fast-track power stations of one megawatt to 20 MW at 400 V to 33 kV.

WEG Africa

Press Office - WEG Africa

Generator Sets Updates


Rental and Independent Power for Africa
Rental and Independent Power for Africa
22nd September 2026

Jozi Power Limited rents out, operates and maintains a fleet of containerised 1MW and 2MW diesel generator sets to African mines and other large consumers for short to medium term periods.  


HIMOINSA operations head Dean Schmelzer and critical application sales manager David Liao spoke to Engineering News & Mining Weekly during the Electra Mining Africa event, held in Johannesburg from September 7 to 11, 2026.
HIMOINSA Southern Africa brings global power expertise closer to African mining
10th September 2026

Global power generation specialist HIMOINSA is strengthening its position as a turnkey power solutions provider to the mining and broader industrial sectors across Southern and East Africa,... 


EVC CEO Dion Mhlaba (left) and WEG Africa CEO Eduardo Werninghaus
WEG, Energy Venture Capital partner to finance hybrid energy projects in South Africa
20th May 2026 By: Creamer Media Reporter

Electric technologies and energy solutions provider WEG has partnered with strategic energy investment company Energy Venture Capital (EVC) to provide funding of between R5-million and R500-million... 


WEG and EVC enter partnership to finance energy projects in South Africa up to R500 million
20th May 2026

Energy projects often don't cross the line because of financing hurdles. WEG, a global leader in electric technologies and energy solutions, has partnered with Energy Venture Capital (EVC), a... 


Powering your operations across Africa with trusted technical expertise
Powering your operations across Africa with trusted technical expertise
14th April 2026

A manufacturing plant needs a steady-state generator set that can power sensitive CNC machines with stable and clean power. A mine requires generators that operate underground in confined spaces... 


Cresco Project Finance Energy Strategy advisory partner Dominic Goncalves
Cresco warns of potential energy security risk if diesel supply for OCGT is constrained
10th April 2026 By: Schalk Burger

South Africa's power utility Eskom, which uses diesel in its open-cycle gas turbine (OCGT) generators to meet peak demand, may have to start implementing Stage 1 or 2 loadshedding in a scenario of... 


Shielding data centre growth from the looming power crunch
Shielding data centre growth from the looming power crunch
13th November 2025

By: Canninah Dladla - Cluster President for English-speaking Africa at Schneider Electric Today’s digital economy is placing unprecedented strain on the power grid. For years, efficiency gains have... 


Image of an IPR technician servicing a dewatering pump
Dewatering solution keeps mines operational
18th July 2025

As unpredictable and intense rainfall continues to challenge mine water management, Integrated Pump Rental (IPR) provides a comprehensive dewatering solution essential to keeping surface and... 


As load shedding remains a reality in SA, microgrids can manage backup energy systems effectively and efficiently
As load shedding remains a reality in SA, microgrids can manage backup energy systems effectively and efficiently
23rd April 2025

By: Anoop Hariparsad - Digital Energy Business Unit Leader at Schneider Electric Load shedding remains a significant challenge in South Africa, making backup systems such as solar panels,... 


Generators: The Muscle in the New Energy Mix
8th April 2025

Contrary to reputations as noisy and dirty, generators are a key part of modern energy supplies. There are clear signs when loadshedding resurfaces in South Africa. Complaints fill message groups,... 


Himoinsa Southern Africa MD Martin Foster talks to Mining Weekly at the Investing in African Mining Indaba
Himoinsa Southern Africa has the flexibility to deliver bespoke solutions
4th February 2025

Part of the Yanmar Group, Himoinsa is a global corporation that designs, manufactures and distributes power generation equipment worldwide. Himoinsa Southern Africa, one of 14 Himoinsa subsidiaries... 


Standalone 60 kVA 400 V WEG generator
Standby gensets not viable option while loadshedding persists
12th April 2024 By: Tracy Klückow

Selecting a generator set with a standby power rating might have been sufficient ten to 15 years ago but is no longer a viable option to cope with the current severity of local power disruptions... 


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