The Renewables Obligation remains a significant revenue stream to generators and cost to suppliers, and the Roc market can be complex and time consuming to understand. Whether you are the project owner, an investor or a supplier involved in the Roc market it is crucial that you are able to forecast values, obligations and costs. The Long-term Roc Forecast provides a reference point for future Renewables Obligation Certificate (Roc) values, and knowledge of how the costs of the RO may impact on supply businesses and energy bills out to 2027.