Frequently Asked Questions

What is the RHI?

The RHI is the governments Renewable Heat Incentive. The RHI is designed to provide financial support to anyone wanting to install green energy for their home or business. The RHI works by paying the owner of the heating system quarterly payments for the amount of energy they have produced. The payments are measured using either predictive or metering methods.

What is the feed-in tariff (FIT) scheme?

FIT stands for Feed-in tariff and is the governments payment scheme for energy produced by electrical green energy. Wind turbines and Solar PV were the main eligible sources for the FIT scheme. The FIT was closed for applications from 1st April 2019. 

How do the different types of renewable energy work?

Please find links below to our various detailed information pages on types of renewable energy.

How much does renewable energy cost?

Renewable energy costs vary on type, quality and size of technology. Our cost calculator gives estimations on installation cost specifically relating to your property within a low and high price tolerance. Click here to use our cost calculators.

How much can renewable energy save me?

Use our online cost calculator to see your unique savings relating to your own heating and electricity bills by installing renewable technology.

Will I need planning permission?

Nearly all green energies apart from wind turbines do not normally require planning permission except for areas of natural beauty or a planned installation on a listed building.

I would like a heat pump but the cost calculator recommends a biomass boiler?

Our cost calculator is designed to provide the most beneficial information to the general public. If the cost calculator thinks your house is less insulated than a new build home it will recommend a biomass boiler. However, there are heat pumps available on the market designed for high temperature outputs so please contact the office on 0800 201 4503 or email us at for a cost calculator relating to this.

What happens if I have a problem with my installation?

We hope you will not ever have an issue with your installation but if you do please contact the office on 0800 810 0565 and we will arrange a solution.

What do I do if I have a special enquiry?

If you have a special enquiry such as a large commercial or domestic installation or you are thinking about using renewable heating for a swimming pool please contact us direct on 0800 201 4503 or email us at Greenio’s consultancy division can put everything in place to carry out your project from start to finish.