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Wood pellets are an amazing energy source and categorised as biomass fuel, but what are biomass pellets?

Biomass pellets are CO2 neutral and have the brilliant ability to deliver heat and energy. CO2 neutrality means that the tree does not release more CO2 upon being burned than it absorbed during its lifetime when it was living. In short, biomass is organic matter and has been used for many thousands of years however the idea of converting biomass into electricity and heat for a modern source of energy is a relatively new way of thinking.

Cairn Renewables supply and deliver high quality ENPlus A1 Grade wood pellets made from 100% virgin softwood. We are FSC accredited, which means our wood pellets come from FSC-certified forests, so can be sure that the forestry has been carried out responsibly both in relation to the environment and local population.

Frequently asked questions

There are four things to bear in mind to determine the quality of the wood pellets before purchasing them:

  • The origin of the trees they’re made from
    The size of the wood pellets
  • The water content of the wood pellets
  • The amount of ash the wood pellets produce when burnt


Look out for the origin of the trees they are made from, for example from FSC-certified forests. With wood pellets produced in this way, you can be sure that there is a high content of wood from the trunk in them.

You will also avoid buying a wood pellet with a high content of branches, bark and leaves – such wood pellets produce a far greater amount of ash containing huge lumps, which is undesirable.


Finally, remember to use the correct size of pellet. The supplier or installer of your wood pellet stove will advise which is the best size of pellet for as this can vary from stove to stove – and ultimately depends on the size and robustness of your particular stove.

Our wood pellets come from FSC-certified forests, which means forestry has been carried out responsibly both in relation to the environment and local population.
Before the raw wood is transformed into wood pellets, it must go through a process of being heated, which releases a substance called lignin. The release of this substance allows the wood to be glued together in subsequent processes, where it is pressed to form the pellets. In this way, it is possible to obtain wood pellets without adding glue or other harmful substances, and this gives a very clean and responsibly produced end product.

The modern wood pellet stove is designed in such a way that you need a minimum amount of effort and time to keep them supplied with fuel. The stoves are almost fully automated and very easy to use. However, remember that these stoves rely on wood pellets in order to produce the greenest energy possible for your investment.

Biomass is the energy form of the future, and at the same time, a very good investment in our environment. As we move away from the use of fossil fuels, we have had to look around for other ways to meet our energy needs. Wind and solar energy are undoubtedly part of the picture but are not yet the complete solution and so the use of biomass fuels has become popular.
Biomass and wood pellets are CO2 neutral. This means that the burning of wood pellets does not exacerbate the greenhouse effect, as the amount of CO2 emitted is equal to the amount originally absorbed by the tree during its life. This environmental balance can help to keep our nature, environment and ozone levels under control.

Two conditions apply when you think about your own safety associated with wood pellets. You must be aware that the dust of the wood pellets can be troublesome – which is why we advise you to store them securely.  The dust can also be a fire hazard.
The pellets themselves are obviously flammable, which means that you will need to handle them with respect and care. All our deliveries are completed with the correct equipment by highly trained specialists.

Get in touch

Cairn Renewables offer a direct, bulk-blown delivery service from our nationwide distribution hubs.