LDES Council Adds Three Members as Global Market Development Expands
- LDES Council Adds Three Members as Global Market Development
- Expands BASF Stationary Energy Storage, Rongke Power, and TerraFlow Energy join as new members
Expansion signals growing prospects for increased adoption of LDES technologies to support strengthened grid reliability and the decarbonisation of energy systems
Brussels, 18 Jun. – The Long Duration Energy Storage Council is pleased to announce the addition of three new members as the global marketplace continues to expand for LDES technologies.
BASF Stationary Energy Storage, Rongke Power, and TerraFlow Energy have joined as technology members.
The LDES Council is a global non-profit organisation that seeks to accelerate the global decarbonisation of energy systems by ensuring that the value of LDES technologies is recognised and compensated. The LDES Council, with nearly 60 members in 26 countries, provides member-driven, fact-based guidance and research on LDES, which represents a USD $4 trillion market. LDES Council members represent the entire LDES global energy value chain – disruptive technology companies, innovative renewable energy companies, forward-looking equipment providers, utilities, investors, and end-users.
Market development for LDES technologies continues to expand globally, supported by several policy interventions by national and regional governments to spur deployment and scaling.
"2025 has been a transformative year for the LDES marketplace, highlighted by new commitments by global governments to invest in the rapid deployment and scaling of these transformative technologies," Chief Executive Officer Julia Souder said. "We’re thrilled to welcome our newest members and benefit from their diverse perspectives and expertise. Together, the LDES Council and its members are strengthening our collective impact and helping to guide the advancement of energy flexibility, reliability, and resilience."
BASF Stationary Energy Storage GmbH
BASF Stationary Energy Storage GmbH (BSES) is a wholly-owned affiliate of BASF SE, one of the largest chemical producers in the world. They sell long-duration sodium-sulfur batteries (NAS ® batteries), which are manufactured by NGK Insulators Ltd., Japan. With NAS® Batteries, BSES contributes to the energy transition by meeting customers’ need for stable, safe, efficient power.
"Energy storage is an indispensable part of the ongoing clean energy transition, and long duration storage solutions play a key role," said Heike Pfistner, Director Strategic Marketing and Product Management at BASF.
"Our NAS® batteries are tailored to provide energy for 6 - 24 hours. They are based on abundant raw materials with no supply chain constraints, and meet the stringent safety requirements, as safety is for us of utmost importance. In a nutshell, with more than 5GWh deployed worldwide over the last 20 years, NAS® Batteries are a proven, safe, and reliable solution for large-scale long-duration energy storage."
Rongke Power
Rongke Power (RKP) is a global leader in Vanadium flow batteries (VFBs) and a prominent provider of advanced energy storage solutions.
Founded in 2008 by a team of visionary scientists, RKP has reached significant milestones, secured over 450 patented technologies, and deployed more than 3 GWh of utility-scale batteries in strategic projects worldwide.
RKP’s innovative energy storage solutions are integral to critical applications such as grid services, renewable energy integration, microgrids, and electricity market arbitrage, enabling the transition to a sustainable, decarbonized energy future.
"Long-duration energy storage is not just essential - it's foundational to a reliable, decarbonized energy future. As the global leader in Vanadium flow battery technology, Rongke Power is proud to join the LDES Council and contribute our expertise to shaping resilient, long-duration solutions that support renewable integration, grid stability, and energy equity," said Philip Krause, Senior Vice President of Rongke Power. "We look forward to collaborating across technologies and geographies to accelerate the global transition to net zero."
TerraFlow Energy
TerraFlow Energy delivers cost-effective, long-duration energy storage solutions designed to support the increasing energy demands of AI infrastructure, data centers, industrial operations, and large-scale energy users. Headquartered in Katy, Texas, LDUPS™ by TerraFlow Energy technology provides scalable, high-cycle storage that enhances grid reliability, reduces costs, and eliminates supply chain constraints associated with conventional storage technologies.
With a focus on real-world deployment, TerraFlow Energy works with utilities, commercial and industrial customers, and mission-critical facilities to provide reliable, long-duration storage solutions that ensure power stability and resilience. For more information, visit terraflowenergy.com
"Reliable, long-duration energy storage isn’t just about integrating renewables - it’s about meeting the massive power demands of today’s world," said Jon Parrella, CEO of TerraFlow Energy. "Grid operators, data centers, and industrial users need cost-effective, high-cycle storage solutions to keep pace with their energy needs. TerraFlow Energy is solving that challenge with a scalable, low-LCOS storage solution built for the future."
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About the Long Duration Energy Storage Council
The Long Duration Energy Storage Council is a global organisation advancing decarbonisation by facilitating the accelerated deployment of LDES solutions. The LDES Council's global industry organisation provides fact-based guidance on the deployment of LDES. The LDES Council covers a wide range of LDES technologies, and its members operating in 26 countries span a spectrum of innovation, including mechanical, thermal, electrochemical and chemical solutions.
To fully realise the transformative potential of LDES solutions and achieve a decarbonised energy system, deployments must ramp up significantly. The LDES Council remains steadfast in its commitment to advancing these essential technologies.
By working with members, partners and key decision leaders in governments, regulatory agencies, financial institutions and civil society, the full spectrum of benefits that LDES offers can be unlocked, accelerating the clean energy transition, and helping to ensure a resilient, sustainable and decarbonised energy future for all.
Media Contact:
Holly McCollough
Hmccollough@ldescouncil.com