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Policy and Issues                   

ESN Policy Priorities

ESN calls for:

  • recognition in regulations and legislation of electricity storage as a separate activity to generation and demand
  • fair network charges such that electricity is not charged twice for using the same asset
  • the elimination of the charging of Consumption Levies on storage facilities when those levies are then charged again at point of use of the energy
  • a level-playing field for the procurement of services by the System Operator and by the transmission and distribution network companies
  • a policy framework for the commercial deployment of short, medium, and long-duration storage that offers best value to the GB consumer both now and in years to come

We work on these issues with expert input from our membership.  If you are not a member, join us and we look forward to hearing your views.

ESN responds to BEIS and Ofgem's Call for Evidence on 'A Smart and Flexible Energy System'. 

The ESN response can be found here, and you will see that our key request is to press on, with a sense of urgency, with removing the range of regulatory and commercial barriers currently faced by storage providers. 

Supporting policy and issue documentation can be found here

Regulating Electricity Storage

The UK is behind many other countries in its adoption of modern electricity storage. We are involved in responding to a consultation by BEIS and Ofgem to promote 'A Smart, Flexible Energy System'. Our intention is to promote electricity storage whilst highlighting the existing regulatory barriers to its implementation in the UK.

Questions that need answering are:

  1. Should electricity storage be classed as generation or storage?
  2. Does electricity storage need to licensed?
  3. How should electricity storage be defined?

In addition to activities in the UK we are working in Europe, through the European Association for the Storage of Energy, and the Commission are busily assessing their approach to storage.

If you have any comments on these proposals please contact us:

Electricity Storage in the National Interest

We propose that the UK power system should have a minimum of 2,000 MW of new network connected electricity storage by the year 2020. This represents just less than 10% of the predicted increase in renewable generation capacity over the same time period.

You can download our proposals in "Development of Electricity Storage in the National Interest".

We will press government to include support for new storage in the electricity market reform process - whether as targeted actions within the capacity market or contracts for differences, or in a specific targeted action. 

Our definition for Electricity Storage

The Electricity Storage Network has an agreed definition for electricity storage:

"Electricity Storage” in the electricity system is the conversion of electrical energy into a form of energy which can be stored, the storing of that energy, and the subsequent reconversion of that energy back into electrical energy.

Electricity Storage Facility” in the electricity system means a facility where Electricity Storage occurs.


Any definition should not include terms that refer to other asset classes or licensed activities, such as supply or generation (or demand).

The definition in the DECC Consultation: Consultation on amending the CfD contract and regulations (page 21, section 47) is not appropriate as it also includes "generating unit".

This definition is published in the BEIS / OFGEM call for evidence (November 2016) on page 34, paragraph 32.

Responses to Past Consultations


Consultation document on electricity market reform
Click here (links to DECC consultation page - so follow the links)

UK Government Consultation on Electricity Market Reform
We submitted our response to the consultation on the Electricity Market Reform. You can download our response here (PDF file for download).

The Government’s White Paper “Planning our electric future” is now available for download. Go to the DECC website here to download this and the supporting documents.

National Grid - seven year statement consultation
Please download the document from
We will be consulting members and preparing a response to these documents.

National Grid: Operating the Electricity Transmission Networks in 2020
We submitted our response to this consultation document. You can download our response here (PDF file for download).

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