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I'm on mains gas, am I eligible for the domestic RHI?

Posted by Cathy Debenham on 1 November 2012 at 3:06 pm

Q: I am very interested in the RHI (renewable heat incentive) but a little confused! I would love a biomass boiler or air source heat pump but I have read somewhere that if I have gas and disconnect from the gas mains I still can't claim RHI? Is this true? Are biomass and ASHP RHI payments only for people who are off the gas grid? Or can anybody claim it?

A: You have been partly misinformed. There are two elements of the RHI. On is the Renewable Heat Premium Payments (RHPP). These are grants that are available until 31 March 2013, which aim to help with the up front cost of installing renewable heat technologies. These are only available to people who can't get mains gas for heat pumps and biomass boilers. Anyone can apply for solar thermal.

The domestic RHI proper is currently being consulted on, and is expected to start in summer 2013. The tariffs for this are based around the costs of heating off the mains gas network. Because heating is more expensive if you are off mains gas, this means the tariffs will be less attractive to people who are on mains gas. However, they will be available. (The rates are not agreed yet. They are expected to be announced in February or March next year).

We have put together a comprehensive Q&A on the domestic RHI here, but if you have any further questions that aren't answered there, please ask them in the comment section below.


If you have a question about anything in the above blog, please ask it in the comments section below.

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2 comments - read them below or add one

Gilly Jones

Gilly JonesComment left on: 19 September 2013 at 9:54 am

Hi Dickinson

Legacy applicants are people that installed renewable heating systems between 15 July 2009 and the launch of the scheme (expected in spring 2014). To be eligible they must be MCS (or equivalent scheme) certified (both product and installer) and the installer must be a member of the renewable energy consumer code (RECC).

There are two exceptions to the eligibility criteria for legacy applicants:

1. the installation will need to meet the MCS standards that applied at the time of installation, rather than the current standards; 2. installations will not need to meet the air quality requirements that will apply from the launch of the scheme for new applicants.

For more info please

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dickinsonComment left on: 19 September 2013 at 9:13 am

Hi, can you tell me if I have to have a MCS installer fit solar thermal in the legacy period?

Or is it possible for me to do a DIY installation before the RHI comes in. Meet all the MCS requirements.  Then have it inspected, and an energy survey when I claim the RHI as a legacy application.

This is something which I have read recently, but have I misunderstood it?

Your advice would be grateful before I possibly make a costly mistake.

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