Applications submitted for the Domestic RHI before 1 April 2016 have their tariffs adjusted in line with the Retail Prices Index (RPI). The RPI is a measure of inflation and RPI rates are produced annually by the Office for National Statistics (ONS). Tariffs will be adjusted in accordance with RPI on 1 April every year. If you have grantsopen key term pop-up that will be deducted from your payments you should be aware that the amount to be deducted will also be subject to RPI adjustment.
Applications submitted for the Domestic RHI on or after 1 April 2016 have their tariffs adjusted in line with the Consumer Prices Index (CPI).