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Weekly Emissions Report Methodology (EU)

The Genscape Weekly European CO2 Report relies primarily on direct observations of power flows to arrive at a plant-level estimate of carbon dioxide emissions.
Genscape monitors power production and cross border flows at over 100 critical points in Germany, France, Belgium and the Netherlands.

The Genscape model, developed in cooperation with a leading German energy economics and environmental policy institute, relies on published and unpublished emission values by plant, federal state and country, and on engineering data for the monitored plants to set emission rates at various levels of capacity utilization. The national data, which is published more frequently, is combined with the engineering data to produce a more timely picture of plant emission levels, which are published only annually.

Genscape calculates an hourly emission of CO2 by monitored plant taking into account whether the plant is ramping up or down and the capacity utilization level at which it is operating. The operation phase of the plant (ramp up or ramp down) is deduced from a weighted average of the previous hours. The capacity utilization is calculated using published nameplate capacities by plant.
Where Genscape monitors sites that include fossil and nuclear units, or sites with units that use different fuels, Genscape relies on the historical pattern of generation for those units to approximate the level of output at each of the units. By necessity, this approach has a degree of uncertainty.

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