UK BESS revenues fall to lowest level ever in December, says Modo

LinkedIn
Twitter
Reddit
Facebook
Email

Market analytics firm Modo Energy recorded the lowest average revenue levels to-date for UK BESS projects in December 2023, the firm said.

Average revenue for Balancing Mechanism-registered battery energy storage system (BESS) projects fell by 16% month-on-month in December 2023, to £2.5k/MW (US$3.2k/MW).

The firm confirmed that the fall was a continuation of frequency response revenues falling since the launch of the enduring auction capability, a mechanism designed to help deliver co-optimised procurement for day-ahead frequency response and reserve products, in November.

Interestingly, Modo’s research indicates that assets over 1.5 hours in duration earned around £3.3k/MW on average, whereas assets under 1.5 hours saw revenues of around £2.1k/MW.

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

This caps off what could be seen as a stutter in UK BESS market, with average revenue levels for batteries having dropped by 67% year-on-year (YoY) to £51k/MW.

Energy-Storage.news explored the falling revenues and the implications of this for the UK BESS market in a Premium article in October 2023.

To see the full version of this article go to Current.

Energy-Storage.news’ publisher Solar Media will host the 9th annual Energy Storage Summit EU in London, 20-21 February 2024. This year it is moving to a larger venue, bringing together Europe’s leading investors, policymakers, developers, utilities, energy buyers and service providers all in one place. Visit the official site for more info.

8 September 2026
Barcelona, Spain
Battery & Energy Storage Tech Europe (BESTE) is Europe’s industrial scaling platform for stationary and industrial battery applications — not EVs. Taking place 8–9 September 2026 at Fira de Barcelona, BESTE brings together utilities, IPPs, energy-intensive industries, data centres, ports, rail, maritime, defence and aerospace OEMs — all deploying or integrating battery storage at scale. Over 100 companies already confirmed — including EDP Renewables, Acciona, Endesa, Naturgy, Neoen, Galp, Basquevolt and Veolia — alongside 40+ expert speakers and international institutional support from BEPA, BVES, LDES and Volta Foundation. Where Europe’s battery & ES ecosystem turns projects into reality.
15 September 2026
San Diego, USA
You can expect to meet and network with all the key industry players again in 2025 from major US asset owners, operators, RTOs and ISOs, optimizers, software and analytics providers, technical consultancies, O&M technology providers and more.
13 October 2026
London, UK
Now in its second edition, the Summit provides a dedicated platform for UK & Ireland’s BESS community to share practical insights on performance, degradation, safety, market design and optimisation strategies. As storage deployment accelerates towards 2030 targets, attendees gain the tools needed to enhance returns and operate resilient, efficient assets.

Read Next

July 24, 2026
ESS Tech Inc is deploying sodium-ion BESS in the US with Juniper Energy, while CATL deploys its sodium-ion technology in Eastern Europe with Solarpro.
July 24, 2026
In this news roundup, Grenergy, MaxSolar and Saft, and Amarenco have made significant advancements on BESS projects in Spain, Germany, and France.
Premium
July 23, 2026
ESN Premium speaks with Bryen Alperin and Sophie Brkovic of Foss & Company about the tax equity investor’s entrance into microgrids.
July 23, 2026
The Clean Energy Investor Group (CEIG) has published a report calling on the Australian government to prioritise consistent and timely implementation of the reformed Environment Protection and Biodiversity Conservation (EPBC) Act.
July 22, 2026
The Maine, US Department of Energy Resources (DOER) announced plans for the state’s first competitive energy storage solicitation up to 360MW.