Directory

EsVolta

Newport Beach, California, United States

Volta Member

esVolta develops, owns and operates utility-scale battery energy storage projects in the United States.

Battery Report 2025: Stationary Energy Storage · 1 video

Windfall Energy Ltd

London, United Kingdom

Volta Member

Windfall Energy makes the Windfall Battery, a plug-in home battery for UK flats and rented homes without rooftop solar.

Battery Report 2025: Stationary Energy Storage

OpenGrid

Bethesda, Maryland, United States

Volta Member

OpenGrid installs and runs battery storage at grocery stores and other always-on retail sites to cut demand charges and earn revenue from grid programs.

Battery Report 2025: Stationary Energy Storage

Respire Energy, Inc.

Somerville, Massachusetts, United States

Volta Member

Respire Energy is developing a non-flammable metal-air battery for multi-day energy storage, aimed at backup power, critical infrastructure and microgrids.

Battery Report 2025: Stationary Energy Storage

Solar Energy Industries Association (SEIA)

Washington, D.C., United States

Volta Member

The Solar Energy Industries Association is the national trade association for the U.S. solar and solar plus storage industries.

In the Battery Report · 3 pages

Gelion Technologies

Sydney, New South Wales, Australia

Volta Member

Gelion develops sulfur cathode materials for lithium-sulfur and other batteries, and also builds battery energy storage systems and recycles lithium-ion batteries.

In the Battery Report · 5 pages

Honeywell International

Charlotte, North Carolina, United States

Volta Member

Honeywell makes sensors that warn of thermal runaway in lithium-ion packs, current sensors for EVs and energy storage, and a long-duration flow battery.

In the Battery Report · 2 pages · 1 video

Gamma Technologies, LLC

Westmont, IL, United States

Volta Member

Gamma Technologies develops GT-SUITE, a multiphysics simulation platform, and GT-AutoLion, an electrochemical simulation tool for designing lithium-ion battery cells.

In the Battery Report · 1 page

Peak Energy

Denver, Colorado, United States

Volta Member

Peak Energy develops and builds passively cooled sodium-ion energy storage systems for the power grid and AI data centers.

Battery Report 2025: Sodium-Ion

New Energy Nexus

Berkeley, California, United States

Volta Member

New Energy Nexus is an international non-profit that backs clean energy entrepreneurs, including battery startups, through funds, accelerators and networks.

Battery Report 2025: Stationary Energy Storage

Every Electric (formerly Standard Potential)

New York, New York, United States

Volta Member

Every Electric deploys plug-in batteries for household air conditioners and aggregates them as a virtual power plant in New York City.

Battery Report 2025: Stationary Energy Storage

Saltwater Energy Solutions

Ann Arbor, Michigan, United States

Volta Member

SaltWater Energy Solutions is developing an ultra-low-cost hybrid flow battery to make energy storage affordable for wide use.

Battery Report 2025: Stationary Energy Storage

Fastmarkets

London, United Kingdom

Volta Member

Fastmarkets is a price reporting agency that publishes price assessments, forecasts and news for commodity markets, including battery raw materials.

In the Battery Report · 8 pages

Otoro Energy

Boulder, CO, United States

Volta Member

Otoro Energy develops a flow battery for long-duration grid storage, based on a metal chelate chemistry that combines iron-chrome and organic approaches.

Battery Report 2025: Stationary Energy Storage

Fourth Power

Bedford, Massachusetts, United States

Volta Member

Fourth Power builds utility-scale thermal batteries that store electricity as heat and turn it back into power during multi-day demand peaks.

Battery Report 2025: Stationary Energy Storage

Metal Light

Newark, NJ, United States

Volta Member

Metal Light builds zinc-air batteries for long-duration grid storage, storing energy as shelf-stable zinc metal for utilities, industrial operators and data centers.

Battery Report 2025: Stationary Energy Storage

Trane

Davidson, North Carolina, United States

Volta Member

Trane makes heating and air conditioning equipment for commercial buildings, including Thermal Battery systems that store energy as ice or chilled water.

Battery Report 2025: Stationary Energy Storage · 1 video

HDA Power A.Ş.

İstanbul, Turkey

The company develops reliable and efficient battery solutions designed to meet the demanding requirements of industrial operations, automation, and energy management.

Battery Report 2025: Software / AI

YESS Power

İstanbul, Turkey

With YESS Power, part of the 40-year legacy of Topkapı Endüstri A.Ş., we redefine energy storage and management solutions to meet the demands of a sustainable future.

Battery Report 2025: Stationary Energy Storage

Hanwha Advanced Materials

Seoul, Korea, United States

Hanwha Advanced Materials offers a broad range of xEV and ESS molded parts from materials for battery protection, lightweighting, and thermal management.

Battery Report 2025: Upstream and Midstream

maxwell+spark develops lithium-ion battery systems for industrial logistics, specialising in transport refrigeration, materials handling and energy storage applications.

Battery Report 2025: Software / AI

Altilium Green Energy

Singapore

Altilium Green Energy is a Philippine clean energy solutions provider dedicated to accelerating the country's transition to a sustainable future.

Battery Report 2025: Stationary Energy Storage

ZTTEK

Shenzhen, China

ZTTEK delivers end-to-end energy storage solutions across portable, residential, commercial & industrial (C&I), and utility-scale applications.

Battery Report 2025: Stationary Energy Storage

Group14 Technology

Woodinville, WA, United States

Group14 Technology develops silicon-based battery materials, notably SCC55, for energy storage applications.

In the Battery Report · 11 pages