Does the credit based system increase capacity in an existing plant? (yes, purchase credits and increase the production)

Apart from reducing costs for compliance, a credit based system gives the opportunity to an installation to increase its capacity. Installations that have reached their emission ceiling and can not increase their output due to environmental regulation and high in-house abatement costs, will now be able to do so by purchasing emission reductions from other (neighbouring) installations. This alternative gives a great opportunity for further development without jeopardising clean air standards.