ESS Tech Scores Back‑to‑Back Honors on TIME’s World’s Top GreenTech Companies 2026

Key Points

• ESS Tech, Inc. has been recognized on TIME and Statista’s “World’s Top GreenTech Companies 2026” list for the second consecutive year.
• The company is highlighted for its focus on safer, non‑lithium, long‑duration energy storage solutions built around abundant, sustainable materials.
• ESS’s portfolio of sodium‑ion and iron flow battery systems supports grid modernization, renewable integration, data centers, and critical infrastructure.

ESS Tech, Inc. (NYSE: GWH) has again earned a spot on TIME and Statista’s World’s Top GreenTech Companies list for 2026, underscoring its role as a global leader in sustainable energy storage. This repeat recognition signals that ESS is not only innovating in the long‑duration storage space but also delivering measurable environmental impact and commercial momentum. For customers, partners, and investors, being named among the top 250 greentech companies worldwide reinforces the company’s credibility in the clean‑energy transition.

Why TIME and Statista are recognizing ESS

TIME and Statista created the World’s Top GreenTech Companies ranking to spotlight businesses driving decarbonization and environmental innovation. Companies are assessed on factors such as technology impact, sustainability performance, and financial strength. ESS stands out because it focuses on long‑duration energy storage based on non‑lithium chemistries. By enabling multi‑hour storage of renewable energy, ESS helps utilities and large energy users smooth out variability, cut reliance on fossil fuels, and strengthen grid resilience—all core goals in the shift to a low‑carbon economy.

ESS’s non‑lithium battery technologies

ESS offers a portfolio of battery systems built around sodium‑ion and iron flow technologies. Iron flow batteries use iron, salt, and water in a circulating electrolyte to deliver long cycle life with minimal degradation and no risk of thermal runaway, making them well suited for utility‑scale projects and mission‑critical infrastructure. Sodium‑ion systems rely on more widely available materials than lithium, helping ease supply‑chain constraints while expanding access to energy storage. Together, these platforms are designed to deliver safe, long‑lasting, and sustainable storage for applications ranging from grid modernization and renewable integration to data centers and commercial facilities.

Made‑in‑USA, sustainable energy storage

A key part of ESS’s value proposition is its focus on “made in the USA” manufacturing and sourcing. By building storage systems around abundant, non‑conflict materials and domestic production, ESS aligns with policy priorities on clean energy, supply‑chain security, and high‑quality jobs. This approach reduces dependence on constrained resources often used in traditional lithium‑ion batteries and helps lower environmental and social impacts across the product lifecycle. For policymakers and project developers, it offers a way to meet climate goals while supporting local economies.

What repeat recognition means for ESS and GWH shareholders

Being named one of the World’s Top GreenTech Companies for the second year running strengthens ESS’s positioning as a trusted partner for utilities, developers, and large energy users seeking long‑duration storage. It also raises the company’s profile with institutional and retail investors tracking the growth of the energy‑transition ecosystem. As markets and regulations increasingly favor low‑carbon solutions and resilient grids, ESS’s non‑lithium, long‑duration storage technologies are well placed to benefit from rising demand for sustainable infrastructure.