Widescale compensatory error adjustments on Settlement data by Suppliers had an unintended but very significant impact on DNO allowable revenue under the regulatory loss incentive scheme in place at that time. Engage applied their detailed industry knowledge to develop a robust methodology for quantifying the impact of these adjustments, applied this to large volumes of our metered data, and produced a far more accurate determination of our losses. This enabled us to engage with the regulator and resolve this industry wide issue.