The figure equates to 0.24% of all the money paid to 1,200 businesses over eight years.
Read moreBy Conor Macauley
BBC NI Agriculture & Environment Correspondent
BBC News Renewable Heat Incentive Northern Ireland (RHI)
NI energy scheme failure 'not due to corruption'
The RHI Inquiry report finds the botched energy scheme was a "project too far" for the NI Executive.
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NI energy scheme failure 'not due to corruption'
The RHI Inquiry report finds the botched energy scheme was a "project too far" for the NI Executive.
Video 2 minutes 35 seconds
RHI inquiry - the highlights
The public inquiry into the Renewable Heat Incentive scheme publishes its report on Friday. We take a look back at the highlights of the inquiry that was set up in 2017.
What is the Renewable Heat Incentive scheme?
BBC News NI takes a look back at the green energy scheme in Northern Ireland, and its aims.
RHI crisis: Who's who in heating scheme scandal?
BBC News NI outlines the main players in the scandal over the Renewable Heat Incentive scheme.
The key questions from the RHI inquiry
What were the main issues unearthed by witnesses to the Stormont probe?
Renewable Heat Incentive scheme: Timeline of events
Events from 2008 when RHI was first mooted, to the last hearing of the inquiry 10 years later.
Video 1 minute 19 seconds
RHI: Overview of green energy scheme
BBC News NI looks back at the scheme that contributed to the collapse of Stormont in 2017.
Featured Contents
NI energy scheme failure 'not due to corruption'
The RHI Inquiry report finds the botched energy scheme was a "project too far" for the NI Executive.
Video 2 minutes 35 seconds
RHI inquiry - the highlights
The public inquiry into the Renewable Heat Incentive scheme publishes its report on Friday. We take a look back at the highlights of the inquiry that was set up in 2017.
What is the Renewable Heat Incentive scheme?
BBC News NI takes a look back at the green energy scheme in Northern Ireland, and its aims.
RHI crisis: Who's who in heating scheme scandal?
BBC News NI outlines the main players in the scandal over the Renewable Heat Incentive scheme.
The key questions from the RHI inquiry
What were the main issues unearthed by witnesses to the Stormont probe?
Renewable Heat Incentive scheme: Timeline of events
Events from 2008 when RHI was first mooted, to the last hearing of the inquiry 10 years later.
Video 1 minute 19 seconds
RHI: Overview of green energy scheme
BBC News NI looks back at the scheme that contributed to the collapse of Stormont in 2017.
Video 2 minutes 35 seconds
RHI inquiry - the highlights
The public inquiry into the Renewable Heat Incentive scheme publishes its report on Friday. We take a look back at the highlights of the inquiry that was set up in 2017.
What is the Renewable Heat Incentive scheme?
BBC News NI takes a look back at the green energy scheme in Northern Ireland, and its aims.
RHI crisis: Who's who in heating scheme scandal?
BBC News NI outlines the main players in the scandal over the Renewable Heat Incentive scheme.
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By Conor Macauley
BBC NI Agriculture & Environment Correspondent
By Luke Sproule
BBC News NI
By Jayne McCormack
BBC News NI Political Reporter
By Conor Macauley
BBC NI Agriculture & Environment Correspondent
By Conor Macauley
BBC NI Agriculture & Environment Correspondent
By Conor Macauley
BBC NI Agriculture & Environment Correspondent
By Mark Devenport
BBC News NI Political Editor
By Conor Macauley
BBC NI Agriculture & Environment Correspondent
By Conor Macauley
BBC NI Agriculture & Environment Correspondent
By Conor Macauley
BBC NI Agriculture & Environment Correspondent
The Cash for Ash Scandal
Video content
Video caption: Chris Page tells the inside story of Northern Ireland's botched green energy scheme. Chris Page reports on Northern Ireland's botched green energy scheme, which went over budget and brought down the Stormont Assembly for three years.
By Stephen Walker
BBC News NI political correspondent
Video content
Video caption: RHI: Arlene Foster thanks supporters for helping her through 'dark moments' The first minister appeared close to tears as she spoke to the assembly after RHI report's publication.
Video content
Video caption: 'There are issues I should have dealt with in a different way' Following the report's publication, Mrs Foster, now the first minister, repeated an apology for her "failings in the implementation" of the RHI scheme.
Video content
Video caption: RHI behaviour was 'unacceptable' The inquiry chair identified some instances where behaviour was "unacceptable".
Video content
Video caption: RHI 'a project too far' #RHI chair, Sir Patrick Coghlin, says the failed energy scheme was "a project too far" for the Northern Ireland government and "should never have been adopted"
