The Carbon Reduction Commitment league table will rank all participants in the scheme on the basis of performance in three metrics.
First metric - Absolute Emissions
The first metric will look at the percentage of carbon emissions reduction for the organisation compared to the previous year. The absolute emissions metric will be based on a rolling average period of the past five years so, on any given year, the organisation will be compared with the previous five years. During the initial five-year period of the scheme, organisations will only be compared against the years that have passed since the start of the scheme. In the first year, 'Absolute Emission' will not be included in the league table calculations.
Second Metric - Growth
The second metric will consider the percentage reduction in other carbon emissions per unit of turnover, which aims to recognise the growth of companies. As with the absolute emissions in the first metric, the second metric will operate on a rolling five-year comparison, but fewer years during the start of the scheme and not at all in the frist year.
Third Metric - Early
The early metric will consider early action initiatives made by the organisation to reduce their carbon emissions prior to April 2011. Qualification for the early action metric will require organisations to be assessed for coverage of the carbon trust standard and automatic meter readings. During the first year of the carbon reduction commitment scheme, the early action metric will act as the sole indicator of performance for organisations within the league tables