The benefits of micro CHP

Micro-CHP has several benefits, including:

  • Electricity generation as a by-product of heat - When the micro-CHP is generating heat, the internal engine or fuel cell will also generate electricity to be used in your home (or exported).
  • Carbon savings - By generating electricity on-site you are saving significant amounts of carbon as there are minimal losses occurring as compared with the grid. It has been suggested that a micro CHP system can meet up to half of a home’s electricity demand.
  • Financial income - Micro-CHP qualifies for the Feed-in Tariff scheme and you will be able to earn 12.89p for each kWh your system generates. You will also earn 4.64p for each kWh of electricity you export, which with the Generation tariff payment adds up to £210 a year.
  • Savings on energy bills - Any electricity generated will be ‘free’ as the fuel would have been burnt to generate heat anyway.
  • Installation is easy - Installing a micro-CHP unit is an easy task. Given the electricity generated, an electrician will also be involved with the installation, but this is something the installer will organise.

Calculate how much electricity you can generate!

An average domestic micro CHP system can generate as much as 1kW of electricity per hour when warmed up. This is enough to meet up to 50% of the electricity demand in a typical home.

What to do next?

Find an accredited installer

FAQs

How long does it take to recoup the additional costs associated with buying a micro CHP boiler (compared with a high-performance boiler)?
It is expected that the payback will be five years more, although this will depend on many factors, so it is difficult to give a definite answer.
Is it possible to return any excess electricity produced by a micro CHP unit to the grid?
Yes, it is possible to return surplus electricity produced by a micro CHP unit to the grid - you will receive Feed-In Tariff Export tariff payments for doing so if you have your system installed by an MCS accredited engineer and sign up to the scheme.
Can my home be disconnected from the National grid if I use a micro CHP unit?
No, the house will need to remain connected to the main supply - the unit won't be able to meet all of your electricity needs. As the micro CHP boiler is a gas-fired boiler, the gas connection must also remain in place.
What maintenance does a micro CHP boiler require?
The maintenance for a micro CHP boiler is similar to that of a normal boiler – i.e, you should ideally have it serviced annually.
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