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Renewable Heating Incentive (RHI) UK: A Comprehensive Guide to Benefits and Eligibility

The Renewable Heat Incentive (RHI) is a UK government programme established to promote the adoption of renewable heating systems in private households, communities, and businesses. As the world's first long-term financial support scheme for renewable heat, its primary aim is to reduce carbon emissions and help the UK meet its renewable energy targets.

Under the RHI, participants receive payments for generating and using renewable heat through technologies such as biomass boilers, heat pumps, and solar thermal systems. The programme is divided into two distinct schemes: the Domestic Renewable Heat Incentive (DRHI) for homeowners and private landlords, and the Non-Domestic Renewable Heat Incentive (NDRHI) for businesses, public sector organisations, and non-domestic properties.

Although the DRHI scheme is now closed to new applicants, the NDRHI continues to provide support for eligible projects, encouraging further investment in renewable heating solutions. By offering financial incentives, the UK government aims to create a cleaner and more sustainable future for the country's energy sector.

Overview of the Renewable Heat Incentive (RHI) UK

The Renewable Heat Incentive (RHI) is a financial support programme implemented in the UK to encourage uptake of renewable heating technologies, making it the world's first long-term support programme for renewable heat. The RHI aims to help the UK achieve its climate change goals and target of having 12% of heating generated from renewable energy sources by 2020.

Introduced in 2011, the RHI replaces the Low Carbon Building Programme and operates in England, Scotland, and Wales. The programme is divided into two schemes to cater for different types of consumers: Domestic RHI and Non-Domestic RHI. Both schemes provide financial incentives for generating heat from renewable energy sources, and are regulated by the Office of Gas and Electricity Markets (Ofgem).

Domestic RHI

The Domestic RHI is aimed at homeowners, private landlords, and self-builders to encourage uptake of renewable heating systems. Eligible systems include biomass boilers, air source heat pumps, ground source heat pumps, and solar thermal panels. Successful applicants receive financial incentives as tariff payments for generating and using renewable heat in their homes. The tariff rates vary depending on the type of technology installed.

It's important to note that the Domestic RHI scheme is now closed for new applicants.

Non-Domestic RHI

The Non-Domestic RHI caters to businesses, public sector organisations, and industry to support renewable heating installations. Unlike the Domestic RHI, this scheme is still open for new applicants. Eligible technologies for the Non-Domestic RHI include biomass boilers, heat pumps, anaerobic digestion, solar thermal panels, and certain combined heat and power systems.

Payments under the Non-Domestic RHI are based on the amount of heat generated, and are made on a quarterly basis. The tariff rates for this scheme also vary according to the type of technology installed.

Eligibility and Accreditation

Individuals and Businesses

In the UK, the Domestic Renewable Heat Incentive (RHI) is aimed at individuals, private and social landlords who live in England, Scotland or Wales, and who meet specific eligibility criteria. Homeowners who either own the property or are social landlords can apply for the scheme. To be eligible, a renewable heating system must have an issued MCS certificate by the installer. These certificates can only be issued for systems using an MCS certified product.

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    Social Landlords and Public Sector

    Non-domestic RHI is designed to encourage public sector organisations, including social landlords, local authorities, and other public sector bodies to invest in renewable heating systems. With Non-Domestic Renewable Heat Incentive (NDRHI), the accreditation application should be made within 12 months of the commissioning date of the renewable heating system.

    Non-Profit Organisations

    Non-profit organisations can also participate in the NDRHI scheme, which supports businesses, non-profit organisations, and the public sector to increase uptake of renewable heat by providing financial incentives. To qualify, equipment must have been commissioned on or after 15th July 2009.

    The overall goal of RHI, both Domestic and Non-Domestic, is to minimise climate change effects and contribute to the UK's target of having 12% of heating coming from renewable energy sources by 2020.

    RHI Technologies and Systems

    The Renewable Heat Incentive (RHI) encourages the adoption of renewable heating systems in the UK. This section will focus on the two key technologies supported by the RHI: biomass boilers and heat pumps.

    Biomass Boilers

    Biomass boilers are an efficient way to generate heat through the combustion of organic materials, such as wood pellets, chips, or logs. These systems are considered environmentally friendly, as they can help reduce greenhouse gas emissions and utilise a renewable fuel source. Biomass boilers supported by the RHI include biomass only boilers and biomass pellet stoves. They are suitable for both domestic and non-domestic applications, providing a viable alternative to traditional fossil fuel heating systems.

    Some advantages of biomass boilers are:

    • Low carbon emissions
    • Utilisation of renewable fuel sources
    • Potential for cost savings on heating bills
    • Eligibility for financial support through RHI scheme

    Heat Pumps

    Heat pumps are another renewable heating technology supported by the RHI. These systems work by extracting heat from the environment, either from the air or the ground, and transferring it to a property's heating system. There are two types of heat pumps: air source heat pumps (ASHPs) and ground source heat pumps (GSHPs).

    Air source heat pumps (ASHPs) absorb heat from the outside air, while ground source heat pumps (GSHPs) extract heat from the ground. Both technologies can significantly reduce carbon emissions and contribute to the UK's renewable energy targets. Additionally, heat pumps can provide efficient heating solutions for domestic and non-domestic properties, helping users save on energy bills.

    Some benefits of heat pumps include:

    • Increased energy efficiency
    • Reduced carbon emissions
    • Lower heating costs
    • Financial support available through the RHI

    By investing in renewable heating systems like biomass boilers and heat pumps, property owners can contribute to a greener future, reduce carbon emissions, and potentially save on energy costs. Financial incentives, such as the RHI, make these technologies more accessible and appealing to a wider audience.

    Application and Payment Process

    The Renewable Heating Incentive (RHI) is a UK government scheme that provides financial support to owners of renewable heating systems, helping to promote the use of clean energy sources in the domestic sector. Under this initiative, eligible participants can receive payments over a seven-year period based on the amount of renewable heat generated by their heating systems.

    Scheme Rules and Regulations

    The RHI scheme is administered by the Office of Gas and Electricity Markets (Ofgem) on behalf of the Department for Business, Energy and Industrial Strategy (BEIS). Both domestic and non-domestic RHI schemes have specific rules and regulations, which are periodically updated by BEIS through publications. The eligibility criteria for participants depend on factors such as the type of renewable heating technology installed, property size and energy performance, and the date of the system's commissioning. It is important to consult the latest guidance and understand the regulations before applying to the scheme.

    Metering and Tariffs

    Payments under the RHI scheme are based on metered heat generated by the eligible renewable heating systems. All installations must have a meter to accurately measure the amount of heat produced. The meter readings are submitted to Ofgem as part of the application process, and ongoing submissions are required during the seven-year payment period to ensure compliance.

    RHI payments are made according to predefined tariffs, which can vary depending on the type of renewable heating technology and other factors. The tariffs are set by the UK government and are designed to reflect the cost of implementing renewable energy systems. For up-to-date information on RHI tariffs, applicants should refer to the Ofgem website.

    Quarterly Payments

    Once an application is approved, RHI payments are made on a quarterly basis over a seven-year period. These payments are directly linked to the metered heat generated by the renewable heating system, meaning that participants are rewarded based on the actual clean energy they produce. Regular meter readings must be submitted to Ofgem to receive these payments, and it is essential for participants to ensure the accuracy and timely submission of this data.

    In cases of ownership changes, new owners of a property with a renewable heating system can apply for a change of ownership through the Ofgem website, and payments can be transferred to the new owner.

    Policy Changes and Updates

    In this section, we will cover the policy changes and updates related to the Renewable Heating Incentive (RHI) in the UK. The section contains four sub-sections: Publications, Parliamentary Process, Amendments, and Declarations.


    Various publications discuss the Renewable Heat Incentive policy overview in the UK. The GOV.UK website offers an insight into both domestic and non-domestic RHI, providing guidance for consumers and businesses to install renewable heating in place of fossil fuels.

    Parliamentary Process

    The parliamentary process behind the Renewable Heat Incentive involves the development and implementation of regulations and legislation in accordance with the UK's goals for renewable energy. Through consultation and discussion, the government reviews and proposes updates to RHI schemes for both domestic and non-domestic consumers.


    Amendments to RHI schemes are made from time to time to accommodate changes in the market and the needs of the nation. A significant update occurred on 2 November 2020, when the domestic RHI regulations were relaxed to mitigate the impact of COVID-19 on the '12-month rule'.


    Annual declarations are made by RHI participants as part of the scheme requirements. These reports help the government track the progress of renewable heat installations, maintain transparency, and ensure compliance with regulations. Participants must report on the installed renewable heating systems, usage data, and any relevant changes.

    Monitoring and Reporting

    The Renewable Heat Incentive (RHI) in the UK requires participants to follow specific guidelines for monitoring and reporting. This ensures the scheme's effectiveness and compliance with government regulations. The process includes registration, annual declarations, and, when applicable, submitting periodic data.


    Both domestic and non-domestic RHI participants must register to be part of the scheme. The registration process entails providing details about the renewable heating system, the property, and the applicant. During registration, applicants must ensure the accuracy of their information and maintain up-to-date records throughout the scheme's duration. Non-domestic RHI participants may need to adhere to more stringent requirements due to the larger scale of their renewable heating systems.

    Annual Declarations

    Participating in the RHI scheme requires submitting annual declarations. These declarations confirm the ongoing eligibility and compliance with the scheme's requirements. Participants must declare that their system is still in operation and that all information provided during the registration process remains accurate.

    For non-domestic RHI participants, the annual declarations may be more complex, requiring additional information or documentation. This could include periodic meter readings or evidence of maintenance and servicing schedules. Non-domestic participants should ensure they adhere to these requirements to avoid potential penalties or removal from the scheme.

    Environmental Impact

    The Renewable Heating Incentive (RHI) scheme in the UK plays a crucial role in reducing carbon emissions and promoting the use of renewable heat technologies. By encouraging households, communities, and businesses to adopt renewable heating systems, the programme supports the country's transition to a greener, cleaner energy future.

    One major environmental benefit of RHI-supported technologies is their potential to significantly decrease greenhouse gas emissions. By replacing traditional, carbon-intensive heating systems with renewable alternatives, RHI installations contribute to a reduction in the UK's overall carbon footprint. This is particularly important as the heating sector has been identified as a major contributor to the country's carbon emissions.

    Moreover, the adoption of renewable heat technologies creates a circular positive impact on the environment. As more individuals and businesses make the switch to renewable heating systems, the demand for fossil fuels decreases. This reduced demand can lead to a decrease in harmful extraction methods associated with fossil fuel production, further minimising the environmental impact.

    It is worth noting that the RHI scheme has already delivered tangible results in reducing carbon emissions in the UK. The domestic RHI, introduced in 2014, has successfully incentivised a major shift towards renewable heating systems in the domestic sector, with significant environmental benefits.

    In summary, the Renewable Heating Incentive programme not only mitigates carbon emissions through supporting the adoption of renewable heat technologies, but it also drives positive change in the wider energy landscape. As a result, the initiative has a significant environmental impact in the UK, promoting a more sustainable future.

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    Mark McShane
    Content Writer
    Mark McShane is a seasoned professional in the solar industry and the owner of Skills Training Group, a leading provider of solar training and education. With years of experience in the field, Mark has developed a deep understanding of the latest trends, technologies and best practices in the industry. His expertise and passion for solar energy have helped countless professionals develop the skills and knowledge needed to succeed in the fast-growing field of solar energy. Whether you’re an aspiring solar professional or an experienced industry veteran, Mark is an excellent resource for anyone looking to enhance their skills and knowledge of the solar industry.
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