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Generators for Sale


Generators for sale have been around for quite some time and come in many shapes and sizes, from compact handheld devices to enormous, complicated machinery used to provide electrical power for buildings and other structures in the industrial or commercial sectors.

Power outages, whether scheduled or unscheduled, can cause significant damage to machinery and electronics in South Africa. This has lead many people to invest in generators for use at home or in their businesses. So much so that by the end of 2025, the South African generator market is expected to have grown from its 2022 valuation of USD 185.87 million at a CAGR of 5.94%.


According to 2019 data, South Africa has more backup generators per person than any other African country. Due to the unreliability of the national electrical system, many backup generators are used as a primary source.


According to a report compiled in collaboration with In On Africa and The Choice Architects, between 40% and 47% of respondents, regardless of age or wealth, want to purchase backup power sources in the near future. Alternatively, you can browse our wide selection of UPS systems for sale.


Generator Fundamentals


A generator is a crucial electromechanical device that converts mechanical energy into electrical energy via electromagnetic induction. In a variety of industries, including manufacturing, data centres, construction, and healthcare, generators serve as dependable secondary or primary power sources.


Generators are based on the fundamental principle of Faraday’s law of electromagnetic induction, which states that when a conductor is subjected to a changing magnetic field, an electric current is generated within the conductor. This process comprises several essential elements, including a prime mover, which is typically an internal combustion engine that provides mechanical energy. The prime mover rotates the alternator’s rotor, which contains a series of conductive windings. As the rotor rotates within the alternator, it induces a varying magnetic field, which causes the conductive windings to cut through the varying magnetic lines of force, thereby generating an electric current.


Through the use of rectifiers and other control systems, the generated alternating current (AC) is converted to direct current (DC). The control systems manage operational parameters such as voltage output, frequency stability, and voltage regulation to ensure that the electrical output meets the requirements of the user.


What Our Generators Can Do For You?


In South Africa, generators play a crucial role in addressing the unique energy challenges encountered by both residential and commercial users. Considering that load shedding is a persistent issue that disrupts daily life and business operations, generators offer a lifeline by providing a reliable alternative power source during blackouts. This resilience results in uninterrupted productivity for businesses and continuous comfort for households, thereby mitigating the negative effects of power outages on various aspects of life.


Generators also enhance cost-effectiveness by enabling users to utilise their own power supply, thereby diminishing their reliance on expensive grid electricity during peak tariff periods. By strategically deploying generators, homes and businesses can optimise their energy consumption patterns, resulting in significant long-term cost reductions. In a business context, where operational continuity is of paramount importance and electricity outages can result in significant financial losses, this economic advantage becomes particularly pronounced.


Safety remains a top priority, particularly in the volatile energy landscape of South Africa. Advanced safety features on generators ensure secure operation by mitigating risks such as voltage fluctuations, power disruptions, and other electrical hazards. Contributing to the overall well-being of users, these precautions safeguard vital equipment, prevent damage to sensitive electronics, and mitigate potential fire and electrical injury risks.


In order to address environmental concerns, modern generators integrate technological advances that increase fuel efficiency and decrease emissions. Using generators with healthier fuel options, such as natural gas or biodiesel, can significantly reduce their carbon footprint. This is consistent with both the expanding emphasis of residential users on sustainable living and the commitments of businesses to corporate social responsibility.


How to Get the Most From Your Generator


Several technical considerations can be used to optimise the performance and efficacy of a generator in the context of South Africa’s energy dynamics. First and foremost, it is essential to choose a generator that meets the specific power requirements of the intended application. A generator’s capacity should be matched to the anticipated demand, allowing it to operate within its optimal range and preventing overloading, which can result in inefficiencies and a shortened lifespan.


It is essential to implement a regular maintenance schedule to ensure consistent and reliable operation. Regular inspections and maintenance of components such as fuel filters, oil levels, spark plugs, and cooling systems prevent deterioration in performance and potential malfunctions. Positioning the generator in a well-ventilated area that is shielded from direct sunlight and inclement weather promotes efficient cooling and also prolongs the life of the equipment.


Using a transfer switch or an automatic transfer switch (ATS) facilitates the transition between grid power and generator power during load curtailment or power outages. This eliminates manual intervention and minimises disruption, ensuring that critical systems receive uninterrupted power supply. Investing in voltage regulators and surge protectors also helps maintain stable output voltage and safeguards sensitive electronics against power fluctuations.


Effective fuel management practises contribute to the overall economy of operations. Inspecting and maintaining fuel containers on a regular basis, along with using quality fuel additives to prevent deterioration, guarantees fuel efficiency and stable generator performance. Contemplating load management strategies by staggering energy-hungry appliances can aid in avoiding peak loads, thereby reducing generator strain and maximising its utilisation.


Investigating the integration of remote monitoring and control systems enables real-time monitoring of the generator’s condition, allowing for prompt intervention and adjustments. This remote capability increases convenience, particularly in commercial settings, and enables proactive maintenance and troubleshooting, thereby extending the generator’s lifecycle and ensuring a consistent, high-quality power supply.


Why Choose Toshiba Tech

At Toshiba Tech, we know that the quality of the service provider is far more important than any Equally as important as hardware quality is who you choose to provide your energy. With a track record of stellar service that dates back to 1999, Toshiba Tech is South Africa’s top pick for power backup solutions.


Our knowledgeable sales staff is committed to keeping up with the latest innovations in emergency power supplies. This dedication guarantees that we will continue to be the go-to provider of emergency energy supplies by providing a wide variety of reliable options.

Although we understand the monetary restraints under which many businesses operate, we also recognise the critical need of a reliable power source. Based on this insight, we’ve developed a rental alternative that leads the market while yet staying off the books.


When you choose Toshiba Tech as your power backup provider, you get a reliable business associate committed to your success through coordinated efforts in technology, cost, and uninterrupted power supply.