The buy-out price for the 2021-22 obligation period is £50.80 per Renewables Obligation Certificate (ROC). This is the amount suppliers will need to pay for each ROC they do not present towards compliance with their 2021-22 obligation.
The mutualisation ceilings for the 2021-22 obligation period are £305,993,166.86 in England and Wales and £30,599,316.68 in Scotland (mutualisation does not apply in Northern Ireland). Mutualisation will be triggered in the event of a relevant shortfall in the buy-out fund.
Ofgem updates the buy-out price and mutualisation ceilings annually to reflect the average monthly percentage change in the Retail Prices Index (RPI) during the previous calendar year. The average RPI percentage change during the 2020 calendar year was 1.5%.
The buy-out prices and obligation levels for recent years are shown in the table below:
| Obligation Period (1 April – 31 March) | Buy-out Price | Obligation For England & Wales and Scotland (ROCs/MWh) | Obligation For Northern Ireland (ROCs/MWh) |
|---|---|---|---|
| 2010-2011 | £36.99 | 0.111 | 0.0427 |
| 2011-2012 | £38.69 | 0.124 | 0.055 |
| 2012-2013 | £40.71 | 0.158 | 0.081 |
| 2013-2014 | £42.02 | 0.206 | 0.097 |
| 2014-2015 | £43.30 | 0.244 | 0.107 |
| 2015-2016 | £44.33 | 0.290 | 0.119 |
| 2016-2017 | £44.77 | 0.348 | 0.142 |
| 2017-2018 | £45.58 | 0.409 | 0.167 |
| 2018-2019 | £47.22 | 0.468 | 0.185 |
| 2019-2020 | £48.78 | 0.484 | 0.190 |
| 2020-2021 | £50.05 | 0.471 | 0.185 |
| 2021-2022 | £50.80 | 0.492 | 0.194 |
