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Renewell Energy develops gravity-based, renewable energy storage that repurposes idle oil and gas wells. The technology converts inactive wells into a low-cost, flexible storage network by lowering a weight down a repurposed wellbore to push electricity onto the grid when demand is high and raising it back up when demand is low, effectively storing energy as gravitational potential. The approach targets zero-self-discharge storage and aims to abate greenhouse gas emissions by utilizing existing oil and gas infrastructure to create a scalable energy storage solution. The company is based in Bakersfield, California.

Bactery is a manufacturer of innovative bacteria-powered batteries, known as bacteries, which harness microbial processes in soil to self-recharge. This technology offers a continuous source of clean electricity, functioning effectively regardless of weather conditions or geographic location. Bactery's environmentally friendly batteries are particularly suited for powering remote applications, such as field sensors and Internet of Things (IoT) devices, making them an ideal solution for sustainable energy needs in agriculture and other sectors.

Founded in 2021, Ayrton Energy specializes in developing hydrogen storage technology. Its innovative solution involves storing hydrogen in liquid form, facilitating safe and efficient transportation through existing infrastructures. This technology aims to provide energy security by enabling the use of hydrogen as a fuel for power generation.

Qnetic is a developer of innovative flywheel energy storage technology aimed at enhancing bulk energy storage capabilities for electric grids. The company's solutions focus on providing low-cost energy storage options that facilitate the transition to renewable energy sources, particularly wind and solar power. By enabling efficient energy storage, Qnetic's technology helps reduce reliance on fossil fuels, supporting clients in their efforts to adopt sustainable energy practices. The company's advancements in energy storage are instrumental in promoting the wider deployment of renewable energy solutions.

Altiro Energy is a renewable energy company specializing in clean technology power systems. It develops iron-based powder energy storage solutions for wind and solar farms, enabling stable production and reduced waste during periods of excess supply.

Renewell Energy develops gravity-based, renewable energy storage that repurposes idle oil and gas wells. The technology converts inactive wells into a low-cost, flexible storage network by lowering a weight down a repurposed wellbore to push electricity onto the grid when demand is high and raising it back up when demand is low, effectively storing energy as gravitational potential. The approach targets zero-self-discharge storage and aims to abate greenhouse gas emissions by utilizing existing oil and gas infrastructure to create a scalable energy storage solution. The company is based in Bakersfield, California.

Founded in 2021, Ayrton Energy specializes in developing hydrogen storage technology. Its innovative solution involves storing hydrogen in liquid form, facilitating safe and efficient transportation through existing infrastructures. This technology aims to provide energy security by enabling the use of hydrogen as a fuel for power generation.

Renewell Energy develops gravity-based, renewable energy storage that repurposes idle oil and gas wells. The technology converts inactive wells into a low-cost, flexible storage network by lowering a weight down a repurposed wellbore to push electricity onto the grid when demand is high and raising it back up when demand is low, effectively storing energy as gravitational potential. The approach targets zero-self-discharge storage and aims to abate greenhouse gas emissions by utilizing existing oil and gas infrastructure to create a scalable energy storage solution. The company is based in Bakersfield, California.

Renewell Energy develops gravity-based, renewable energy storage that repurposes idle oil and gas wells. The technology converts inactive wells into a low-cost, flexible storage network by lowering a weight down a repurposed wellbore to push electricity onto the grid when demand is high and raising it back up when demand is low, effectively storing energy as gravitational potential. The approach targets zero-self-discharge storage and aims to abate greenhouse gas emissions by utilizing existing oil and gas infrastructure to create a scalable energy storage solution. The company is based in Bakersfield, California.

TruEnergy Services is a privately held energy brokerage and consulting firm that specializes in assisting a diverse range of clients, including commercial and industrial businesses, government entities, and educational institutions. The company represents many of the nation's largest retail electricity providers and focuses on delivering significant savings on energy costs. TruEnergy offers a variety of services, such as energy brokerage, sales tax recovery, infrastructure audits, and strategies to minimize delivery costs. By leveraging its expertise, TruEnergy helps clients optimize their energy consumption and maximize savings in the current market.

LumenCache develops low-voltage energy management systems that optimize power distribution and energy resilience by integrating centralized smart electronics, plug-and-play features, and compatibility with renewable sources. The platform connects DC microgrids, photovoltaic systems, and batteries through structured wiring to maximize efficiency, reduce wiring costs, and enhance safety. It aims to replace traditional AC wiring in new homes and buildings, starting with lighting and small-load devices, enabling scalable, reliable operation across various applications. Active since 2012, the system has been deployed globally—from solar-powered public infrastructure to multi-story buildings—demonstrating longevity, reliability, and adaptability of the technology and its patents.

Founded in Tokyo in 2010, Sassor is a Japanese company specializing in service design. It develops devices and services focused on energy management, offering the Energy Literacy Platform to help users understand their daily electricity consumption and improve home energy awareness.