What are the new air quality requirements ?
If you are applying for the RHI on or after 24 September 2013 with a biomass boiler (including CHP systems), your boiler must have either a RHI emission certificate or an environmental permit. The purpose of this requirement is to ensure that emissions from biomass boilers do not exceed a maximum level of particulate matter (PM) and oxides of nitrogen (NO x ) . For RHI emission certificates, the maximum permitted emissions are 30 grams per gigajoule (g/GJ) net heat input for PM and 150 g/GJ for NO x (expressed as NO 2 ) . Environmental permits also normally include emissions limits however these vary depending on the boiler in question. Biomass boilers that do not have a RHI emission certificate or an environmental permit will be ineligible for the RHI.
When do the new air quality requirements apply from ?
The air quality requirements apply to applications made after the date the regulations come in to force which is planned to be 24th September 2013 .
Who do the new air quality requirements apply to?
The air quality requirements apply to you if your application for the RHI was submitted on or after 24th September 2013. If you were a participant in the RHI before 24th September 2013 and you apply for additional capacity for your boiler on or after 24th September 2013 , your boiler’s additional capacity will also need to meet the air quality requirements
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What about the domestic RHI?
The domestic RHI scheme, due to launch in spring 2014, will introduce air quality requirements similar to those set out in this factsheet for new applicants. Further information specifically relating to the domestic scheme will be published before the launch of the scheme.