Cost, shipping and energy density have driven convergence to 5MWh BESS form factor – CEA

LinkedIn
Twitter
Reddit
Facebook
Email
BESS

Clean Energy Associates (CEA) has released its latest pricing survey for the battery energy storage system (BESS) supply landscape, touching on pricing and product trends.

The consultancy’s ESS Pricing Forecast Report for Q2 2024 said that BESS suppliers are moving to +300Ah cells quicker than previously modelled. The increase is due in large part to increased competition in the market.

This article requires Premium SubscriptionBasic (FREE) Subscription

Enjoy 12 months of exclusive analysis

  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Annual digital subscription to the PV Tech Power journal
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

It also said that, as Energy-Storage.news reported recently, the industry has moved to 20-foot, 5MWh+ containers as the standard product. CEA said that that 20-foot units are much more energy dense and easier to ship, and are cheaper to the extent that the advantages of smaller modular blocks have been overshadowed.

Its latest report did not, however, provide actual BESS pricing figures as previous ones did. In February, it said that the prices paid by US buyers of a 20-foot DC container from China in 2024 would fall 18% to US$148 per kWh, down from US$180 per kWh in 2023.

That trend will reverse in the next few years, with small increases in price from 2025 onwards. Prices are expected to increase nominally in 2025, as shown in the chart above, before jumping more substantially in 2026. That larger increase is primarily down to new tariffs imposed by the US on battery products from China, which CEA previously said would increase BESS prices by 11-16%.

However, the firm’s chart implies the price will be relatively flat from 2026-2028.

In a separate paper, ‘ESS Supply, Technology and Policy Report’, CEA said that smaller lithium-ion battery OEMs and non-China companies are struggling in the current highly competitive environment and the slowdown in electric vehicle (EV) demand.

It highlighted several gigafactory projects in the US and elsewhere that have been postponed or scaled back, without naming the companies involved. One supplier’s CEO and CTO resigned and saw layoffs of 25% and 12% of employees in Q4 2023 and Q1 2024 respectively. Elsewhere, gigafactory projects have faced significant roadblocks in Clarksville, Kentucky and South Carolina.

Republican lawmakers are still pushing to impose punitive measures on major Chinese lithium original equipment manufacturers CATL and Gotion for alleged human rights abuses in their supply chains, which they deny.

3 June 2025
Stuttgart, Germany
Held alongside the Battery Show Expo Europe in Stuttgart, Energy Storage Germany spotlights Germany’s rapid ascent in the European storage sector. Once driven by residential demand, utility-scale projects are now surging, with 184 MW added across 44 projects in 2023. With nearly 16 GWh of capacity installed in the first half of 2024, Germany is set to integrate 24 GW of utility-scale energy storage by 2037, creating substantial opportunities.
11 November 2025
San Diego, USA
The 2024 Summit included innovative new features including a ‘Crash Course in Battery Asset Management’, Ask-Me-Anything formats and debate-style sessions. 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.
24 February 2026
InterContinental London - The O2, London, UK
This isn’t just another summit – it’s our biggest and most exhilarating Summit yet! Picture this: immersive workshop spaces where ideas come to life, dedicated industry working groups igniting innovation, live podcasts sparking lively discussions, hard-hitting keynotes that will leave you inspired, and an abundance of networking opportunities that will take your connections to new heights!

Read Next

March 28, 2025
BloombergNEF (BNEF) has found that utility-scale BESS uptake in Australia could increase eightfold to 18GW in 2035, up from 2.3GW in 2024.
March 27, 2025
Independent power producer (IPP) Innergex Renewable Energy’s 30MW/120MWh Hale Kuawehi battery energy storage system (BESS) project has reached commercial operations.
March 27, 2025
Taiwan’s HD Renewable Energy (HDRE) and Australian renewable energy developer ZEN Energy have secured a 795MW greenfield solar PV and energy storage portfolio spanning four projects in Australia.
March 26, 2025
Three virtual power plant (VPP) programmes have been announced in California and Colorado. Two of them will use Tesla’s Powerwall battery. Another is attempting to change customer habits to save energy and money.
March 26, 2025
Fluence will use its AI-powered bidding optimisation software Mosaic to co-optimise Gentari’s 172MW Maryvale solar+BESS site in Australia.

Most Popular

Email Newsletter