Alternatives to Green Gravity

Gravitricity develops and deploys gravity-based energy storage systems using heavy weights in disused mine shafts to store and release electricity.

Revolutionizing grid-scale energy storage with sustainable, mechanical solutions.

Develops, finances, builds, owns, and operates biomethane and green hydrogen plants for industrial decarbonization.

Amogy unlocks ammonia's potential as a clean energy source with proprietary reforming technology.

World's largest biogas engineering company specializing in full-stack clean fuels technology.

Clean energy company providing heat pumps and home energy-saving solutions directly to consumers.

ConnectDER simplifies home electrification by enabling solar, EV charging, and battery storage without costly electrical panel upgrades.

Singapore-based cleantech company revolutionizing green hydrogen production with advanced materials.

Developing compact modular nuclear systems to make clean nuclear power cheaper than fossil fuels by utilizing high-temperature turbine technology.

Developing compact, high-field fusion power plants to provide clean, limitless energy.

BioLite creates innovative off-grid energy products for outdoor recreation and emerging markets.

Develops and manufactures hydrogen fuel cell generators for defense and commercial use.

AI-powered benchmarking and valuation platform for energy storage and renewable assets, providing insights for bankable decisions.

A full-stack residential solar platform for households and housing societies.

Developing a breakthrough, low-cost technology to produce renewable hydrogen using sunlight and any source of water.

Provider of clean microturbine energy solutions for industrial and commercial operations, with solutions designed for emerging datacenter applications.

Develops and delivers holistic energy systems for commercial businesses, combining battery storage with intelligent energy management.

A co-investment vehicle established by HA Sustainable Infrastructure Capital and KKR to invest in sustainable infrastructure assets.

Industrial electrolysis technology for green hydrogen and e-fuels production.

Optivolt develops intelligent solar power electronics that significantly increase energy yield and system resilience, especially in shaded conditions.