Ofgem stands for the Office of Gas and Electricity Markets, and their goal is to ‘protect the interests of existing and future electricity and gas consumers’.
They also provide key information on their website about eligibility for the Renewable Heat Incentive (RHI), a Government scheme providing financial incentives for individuals and corporations using renewable resources for heating. If you provide your heating from renewable sources, you are likely to be eligible. Have a look at their website for more information.