Lengthy grid connection queues are one of the major challenges to the rollout of renewable energy in the UK, with a series of ongoing reforms from the Government, Ofgem and the National Energy System Operator to tackle it. Alongside these wider reforms, Ofgem is also exploring the potential role for Competitively Appointed Transmission Owners (CATOs) in supporting the buildout of onshore network infrastructure. In our latest Energy Essentials podcast we introduce CATOs and discuss how they fit into the wider grid connection reform programmes.