Alternatives to Sunfire

Rodatherm Energy develops advanced thermal energy storage solutions for industrial applications.

Produces carbon-neutral synthetic fuels (eFuels) to decarbonize the transportation sector.

Revolutionary electrolyzer technology for affordable green hydrogen production at scale.

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.

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

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

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

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

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

Developing advanced fusion and fission nuclear energy technologies for carbon-free power.

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.

Develops and manufactures stationary fuel cell power plants for clean energy generation.

Nuclear energy startup developing small, high-temperature reactors for AI data centers and industrial applications.

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

Green Gravity develops a long-duration energy storage solution using gravity and abandoned mine shafts to store and dispatch renewable energy.

Building the world's first mass-produced portable nuclear generators for anywhere power delivery.

HyTerra is an Australian firm focused on the exploration and development of natural geologic hydrogen and helium resources.