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Best Low Emission Container Generators in 2021

From gas hybrid to super efficient diesel, there are a wide range of low emission generators available in 2021. Lowering carbon emissions in every way possible is more important than ever.

Container generators are traditionally powered by diesel or gas. However getting to net zero carbon emissions is not going to be possible using conventional methods.

large containerised diesel generators

Intelligent Hybrid Generators

Traditional generators run more efficiently during high load times. This is when the generator is providing energy for multiple appliances. At low load times however, such as night when demand is much lower, this is not the case. The generator is burning the same amount of fuel to provide power for a smaller number of appliances. Operating in this way also shortens the lifespan of the generator.

This is where intelligent hybrid generators are the future. They have onboard intelligent management systems. This automatically manages the power supply during lower loads. This is achieved with onboard battery power. At low load times the diesel or gas engine is shutdown. Battery power seamlessly takes-over while power requirements are low.

Hyperpulse Generator (HPG) Technology

Hyperpulse generators or ‘HPG’s’ switch power seamlessly between sources on demand. Power sources can be anything from diesel, gas and renewables such as solar, wind, battery and biodiesel. HPG’s can save thousands of pounds in fuel costs. For example the Cygnus Three saves up to 4,500 liters of diesel every month, over £40,000 annually. This equates to a huge reduction in CO2 emissions.

Different generator types


Diesel generators are easy and fast to setup. They are ideal for hospitals, manufacturing facilities, data centres and construction sites. Less maintenance is required for these generators. Fuel costs however are higher and they tend to be quite noisy.


Gas generators are more environmentally friendly than their diesel counterparts. Of all fossil fuels gas is the cleanest and cheapest. Its perfect for power generation, especially at scale. Toxic pollutants are not pumped into the environment at the same rate as other fossil fuels. Gas generators have a longer life span and are easier to maintain. The downside of these generators is they need an accessible supply of natural gas.


Biofuel generators are closer to carbon neutral when carbon capture is in operation. Production, processing and transport of biofuels all cause CO2 emissions. Which is why they cannot be considered 100% carbon neutral. Trees and other plants also remove CO2 from the atmosphere. Effective crop management is essential to ensure resources aren’t depleted quicker than they’re grown.


Hybrid generators use batteries and gas to produce power, depending on demand. They therefore emit less CO2 compared with gas only options. Excess power is stored in batteries during high load times. When demand is reduced battery power takes over from gas. At this moment the generator is 100% emission free. Combining batteries with gas will help to produce cleaner, cheaper and more reliable power. Power that will be more accessible to the wider world.


Producing and transporting hydrogen creates CO2, however the fuel itself when is zero-emission. Unlike diesel there there no NOx or particulate emissions either. Water is the only bi-product when using hydrogen to generate power. If supplied via pipeline CO2 emissions are reduced further.

Best Low Emission Container Generators

  • GeoPura fuel cell – zero emissions
  • Aggreko Dual certified T4 Final / Stage V – Emissions reduced by 95%
  • Green Power Low emissions generator – Reduction CO2 85%
  • Becker LNG PowerPac – Reduced emissions

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Call 01606 272864 to speak to a member of our sales team about your generator requirements or visit our contact page for other ways to get in touch with us.

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