Since the publication of the Fourth Edition in 2016 the EU's internal gas and electricity legislative framework has continued to develop quickly:
- A wholes series of new Grid Codes have been adopted, including those on Capacity Allocation and, Congestion Management, on forward capacity allocation, on electricity balancing (EB), emergency and restoration, and on electricity transmission system operation.
- The Gas Directive has been amended, to bring pipelines connecting into the European system under the Internal Market rules on unbundling, regulated tariffs and third party access.
- The 'Electricity Market Design'package has been adopted, implementing new rules on balancing, capacity mechanisms, demand response, storage, the rights of consumers to participate in the electricity market and the powers and responsibilities of ACER.