‘Significant moment’ for UK storage as regulator bids to end double charging with formal definition

By Alice Grundy
June 28, 2019
LinkedIn
Twitter
Reddit
Facebook
Email
Image: Anesco

The UK's regulator, Ofgem, is hoping to eradicate the double-charging of storage assets through the addition of a formal definition of energy storage to the regulatory framework.

Previously, there has been no formal definition of storage meaning that it has fallen prey to double charging, whereby it has been charged as both a demand customer for its imports and as a generator for its exports.

The regulator plans would amend the electricity generation licence to classify storage as a subset of generation, meaning providers would no longer have to pay final consumption levies when the electricity imported is used for storage.

Through a consultation, Ofgem is proposing to define storage as ‘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’, a definition suggested by the Electricity Storage Network.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Read Next

January 21, 2026
The UK market saw strong interest and activity in 2025 but now appears to be shifting from a development market to one focused on execution, writes Solar Media analyst Charlotte Gisbourne.
January 21, 2026
Another roundup of European grid-scale BESS project news, led by MORE and Zenobe putting Greece and UK projects into operation, and major project financings/construction starts by Acacia in France, Greenvolt in Hungary and Eco Stor in Germany.
January 20, 2026
While the UK grid-scale BESS market continues to be among the busiest in Europe, there are still huge questions and plenty work to be done in several key policy areas.
Premium
January 19, 2026
US-based iron-sodium battery manufacturer Inlyte Energy has successfully completed a factory acceptance test of its first field-ready battery at its facility near Derby, UK, witnessed by representatives from US utility Southern Company.
January 13, 2026
Another busy week of large-scale BESS project news across Europe, led by CountourGlobal putting a 202MW/505MWh BESS into commercial operation in Bulgaria.