Energy Vault Strengthens ESG Leadership with 2025 Sustainability Report
Energy Vault Holdings, Inc. (NYSE: NRGV), a global provider of sustainable, grid-scale energy storage technologies, has released its 2025 Corporate Sustainability Report, outlining the company’s progress across environmental, social, and governance (ESG) initiatives. The report highlights operational achievements, international market expansion, and the company’s continued commitment to responsible and sustainable energy infrastructure.
The new report also underscores Energy Vault’s improving ESG performance as evaluated by S&P Global. In 2025, the company earned an ESG score of 74 out of 100, a five-point improvement compared with its score of 69 in 2024. This result places Energy Vault in the 98th percentile within the Machinery and Electrical Equipment industry, maintaining its standing as the highest-ranked energy storage company in that sector.
Energy Vault’s ESG progress also reflects its continued commitment to climate action and emissions reduction. The company’s near-term and long-term greenhouse gas reduction targets have been formally validated by the Science Based Targets initiative (SBTi), demonstrating alignment with global climate goals designed to limit temperature increases and support the transition to a low-carbon economy.
Strategic Growth and Operational Progress
According to company leadership, 2025 represented a transformative year marked by technological development, operational milestones, and expansion into new energy markets.
Robert Piconi, Chairman and Chief Executive Officer of Energy Vault, noted that the company continued strengthening its position as a provider of resilient and sustainable energy infrastructure while advancing its technology portfolio.
“2025 marked a pivotal year for Energy Vault as we expanded our Asset Vault platform and achieved important operational milestones that demonstrate our commitment to enabling a sustainably energized world,” Piconi said. “Through the continued growth of our build-own-operate strategy, strategic partnerships with companies in the rapidly growing artificial intelligence and data center sectors, and ongoing technology innovation, Energy Vault is reinforcing its position as a global energy infrastructure provider.”
The expansion of the company’s Asset Vault platform reflects a strategic shift toward owning and operating energy storage systems rather than solely supplying technology. This model allows Energy Vault to maintain direct oversight of system performance, environmental impact, and long-term operational sustainability.
As digital infrastructure and artificial intelligence applications continue to grow worldwide, energy storage systems capable of providing reliable, low-carbon electricity are becoming increasingly important. Energy Vault’s infrastructure projects aim to support these demands while ensuring grid stability and integration of renewable energy resources.
Sustainability Framework Built on Three Pillars
Energy Vault’s sustainability strategy is organized around three core pillars: Purpose, Product, and Partnership. These pillars guide how the company designs and deploys energy storage technologies that reduce emissions, accelerate renewable energy adoption, and generate value for customers, communities, and stakeholders.
The company emphasizes a Triple Bottom Line approach, balancing financial performance with environmental stewardship and social responsibility. This philosophy is embedded throughout Energy Vault’s operational framework and product lifecycle, influencing decisions from engineering and manufacturing to deployment and long-term system management.
By integrating sustainability considerations into each stage of development and operations, the company aims to ensure that its energy storage technologies contribute to both economic and environmental resilience.
Transition to an Own-and-Operate Strategy
Energy Vault’s move toward an Own & Operate strategy represents one of the most significant developments highlighted in the 2025 sustainability report. This strategy enables the company to take direct responsibility for managing and optimizing the environmental performance of its energy storage assets.
Michael Van Parys, Director of Sustainability at Energy Vault, said the transition provides the company with deeper operational control and improved data insights into environmental performance.
“Our successful transition to an Own & Operate strategy has fundamentally transformed how we approach sustainability,” Van Parys said. “This approach allows us to directly measure and optimize the environmental performance of our energy storage systems through initiatives such as our Sustainable Sites Management Plan and real-time carbon tracking.”
Van Parys also emphasized that Energy Vault’s recognition as the highest-ranked energy storage company in S&P Global’s sustainability assessments reflects the company’s commitment to embedding sustainability into its core operations rather than treating it as an add-on to business activities.
According to the company, sustainability principles guide all major project decisions—from battery energy storage systems serving local communities to infrastructure developments designed to support future artificial intelligence computing facilities.
Supporting the Energy Transition
Energy Vault positions itself as a critical contributor to the global energy transition. By developing large-scale energy storage systems, the company helps utilities and energy providers integrate renewable resources such as solar and wind into the power grid.
Grid-scale storage technologies play a key role in balancing supply and demand, storing excess renewable electricity during periods of high generation and releasing it when energy demand increases. This capability supports a more reliable and flexible power system while reducing dependence on fossil fuels.
Piconi said the company views its work not only as an economic opportunity but also as a broader responsibility to support environmental sustainability and long-term human prosperity.
“Energy Vault embeds sustainability across every critical infrastructure asset it builds, owns, and operates,” he said. “Accelerating human prosperity while maintaining environmental responsibility are inseparable goals for the company.”
He added that Energy Vault aims to inspire future generations of engineers, innovators, and sustainability leaders by demonstrating how advanced energy technologies can drive both economic growth and environmental protection.
Major Operational Milestones in 2025
The company’s sustainability report outlines several key operational developments achieved during 2025.
Among the most significant was the launch of Energy Vault’s Solutions Excellence Center, which includes gravity-based energy storage demonstration units designed to showcase the company’s innovative storage technology. These systems use gravitational potential energy to store and release electricity, offering an alternative to conventional battery technologies in certain applications.
Energy Vault also commissioned the Cross Trails Resiliency Center, the company’s first fully owned and operated battery energy storage system. The project marks a major milestone in the company’s strategy to directly manage energy infrastructure assets.
In addition to operational milestones, Energy Vault expanded its global presence by entering new markets in Australia and Europe, regions where demand for renewable energy and storage infrastructure continues to grow rapidly.
The company also reported that its global B-VAULT portfolio now includes more than 3 gigawatt-hours (GWh) of deployed or contracted battery energy storage systems. This growing portfolio reflects increased demand for grid-scale storage solutions capable of supporting renewable power integration.
To support these initiatives, Energy Vault secured approximately $300 million in investment funding aimed at financing critical energy infrastructure projects. The capital will help accelerate the deployment of energy storage systems in multiple markets worldwide.
Alignment with Global Sustainability Standards
Energy Vault’s sustainability initiatives align with several widely recognized global frameworks and reporting standards.
The company participates in the United Nations Global Compact, a voluntary initiative encouraging businesses to adopt sustainable and socially responsible policies. It also aligns its climate-related disclosures with recommendations from the Task Force on Climate‑related Financial Disclosures, which provides guidance on reporting climate-related risks and opportunities.
Additionally, the company follows sustainability reporting guidelines established by the Global Reporting Initiative, ensuring transparency and consistency in the disclosure of environmental and social performance metrics.
Energy Vault has also implemented an internal carbon pricing mechanism, designed to incorporate the potential cost of carbon emissions into business planning and investment decisions. This approach encourages projects that minimize environmental impact while supporting long-term economic sustainability.
Building a Sustainable Energy Future
As global electricity demand increases—particularly due to the growth of artificial intelligence, digital infrastructure, and electrification—energy storage systems are expected to become a critical component of future power networks.
Energy Vault’s leadership believes that combining innovative technology with strong sustainability practices will help the company remain competitive in this rapidly evolving sector.
By integrating environmental responsibility into infrastructure design, operational strategy, and corporate governance, the company aims to continue expanding its global footprint while contributing to a more resilient and sustainable energy system.
The 2025 Corporate Sustainability Report reflects Energy Vault’s ongoing commitment to transparency, climate leadership, and technological innovation. As the company continues developing large-scale energy storage solutions around the world, it intends to play a central role in supporting the transition toward cleaner, more reliable, and more sustainable energy systems.
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