ClimateTech funding

Octave.energy is a Belgian CleanTech company focused on providing Battery Energy Storage Systems (BESS) and Energy Management Systems (EMS). The company aims to scale its solutions across Europe, addressing the growing demand for sustainable energy solutions.

Light is a fintech infrastructure company that enables businesses to offer branded electricity plans through a single API. It targets various sectors including real estate, mobility, and solar energy, allowing partners to bundle electricity services with their offerings. The company aims to simplify the process of becoming an electricity provider, which traditionally involves complex licensing and operational challenges.

Launch Base Africa is a US startup focused on managing clean energy projects in Nigeria. The company has recently raised $74 million to support its $1.1 billion clean energy pipeline, highlighting its significant role in the African energy sector.

Koolboks is a sustainable cooling company that provides accessible cold storage solutions to businesses across Africa. It targets off-grid locations, offering solar-powered refrigeration that can operate without electricity, significantly reducing food spoilage and supporting small businesses.

Remedium is a Saudi startup that has developed an advanced platform to help companies measure, manage, and reduce their carbon footprint through digital technologies and automated data analysis. The company aims to enhance its platform with capabilities in artificial intelligence and machine learning, focusing on sustainability management and regulatory compliance.

Odyssey Energy Solutions is a platform that finances distributed renewable energy projects in emerging markets. It connects solar installers and engineering firms with financiers and equipment suppliers, facilitating access to significant capital for energy projects. The recent funding will help expand its operations in Asia, Africa, and Latin America.

Yuma Energy is focused on driving electric mobility forward by integrating battery technologies, R&D, and manufacturing. The company aims to build a vertically integrated Battery-as-a-Service ecosystem, enhancing customer experience through intelligent charging and a multi-city swapping network.

Zenergize specializes in manufacturing electric vehicle (EV) chargers and solar inverters in India. The company aims to scale its operations to meet the growing demand for sustainable energy solutions in the region. This funding round will support their expansion efforts in the EV and renewable energy markets.

Alteon is a Bengaluru-based startup focused on developing wind-powered autonomous aircraft capable of staying aloft for extended periods by harvesting energy from ocean winds. The company aims to provide maritime surveillance solutions to governments, leveraging innovative dynamic soaring techniques to extract energy from wind shear.

Gridsight is an AI energy startup that focuses on optimizing energy management solutions. The company aims to provide innovative tools for energy efficiency, targeting businesses and organizations looking to reduce their carbon footprint. This funding round will help accelerate their growth and development in the energy sector.

Yoga Clean Air is a cleantech startup focused on improving indoor air quality through innovative systems. The company targets homes, offices, and institutions, providing solutions that filter outdoor air and manage pollution levels. This funding round will help expand their market presence and technology deployment across India.

Atierra is a startup focused on producing sustainable aviation fuel (SAF) from microalgae. The company aims to address the environmental impact of aviation by providing a renewable alternative to traditional jet fuels. This funding round will help Atierra advance its technology and scale its operations.

Quaise Energy is an American startup focused on developing superhot geothermal energy technology. The company aims to drill deep into the earth to create wells that can reach temperatures between 300 °C and 500 °C, significantly increasing the energy output compared to traditional geothermal methods. This funding round will support their Obsidian Project in Oregon, which seeks to establish the world's first commercial superhot geothermal plant.

Ponda is a biomaterials company based in Bristol that focuses on restoring wetlands through regenerative farming. They develop high-performance natural fibers and insulation from wetland crops, with their first product, BioPuff, transforming bulrushes into renewable insulation material for apparel and outdoor products.

Hayzel is a startup that has developed a turbine designed to harvest electricity from the chillers used to cool data center server racks. The company targets data centers, aiming to reduce energy waste and improve efficiency in cooling systems.

Voya Energy is focused on providing innovative energy solutions. The company aims to address the growing demand for sustainable energy sources. This funding round will help Voya Energy expand its operations and enhance its product offerings.

os.energy is a Danish energy startup that has launched a digital electricity provider called Osmund. The company aims to offer transparent electricity pricing without adding a margin, focusing on flexible consumption and smart control of energy resources.

Certain Energy is a long-duration energy storage startup developing manganese flow battery technology. The company aims to commercialize its technology for grid-scale deployment, addressing the challenges of renewable energy supply and demand mismatches.

CarbonStrong is focused on producing green cement, which is a more sustainable alternative to traditional cement. The company aims to scale its production facility to meet the growing demand for eco-friendly construction materials. This funding round will help enhance their operational capabilities and expand their market reach.

Princeton Critical Minerals is focused on developing technologies for lithium production. The company aims to scale its production capabilities to meet the growing demand for lithium in various industries, particularly in electric vehicle batteries.

Mantel is focused on developing innovative solutions for carbon capture. The company aims to address climate change by providing effective carbon capture technologies to various industries. This funding round will help them scale their operations and enhance their technology.

Boldr is focused on transforming home energy systems into grid capacity. The company aims to enhance energy efficiency and sustainability for consumers, making it a notable player in the climate technology sector.

Millow is a Swedish startup focused on developing low-water mycelium protein as a sustainable food source. The company aims to scale its production to meet the growing demand for alternative proteins, which are more environmentally friendly compared to traditional meat sources. This funding round will help Millow enhance its production capabilities and expand its market reach.

Reston nuclear startup is focused on providing innovative nuclear energy solutions to meet the growing demand for power in data centers. This funding round aims to support their expansion and development efforts in a market increasingly reliant on sustainable energy sources.

Computomics is a Tübingen-based BioTech research company that builds machine learning models to forecast how specific genotypes will perform under various environmental conditions. Their climate-smart breeding platform helps crop breeders improve resilience against heat and drought, addressing the challenges posed by climate change on agricultural yields.

Sonic Fire Tech is a NASA-inspired startup developing infrasound-based fire defense systems. The company targets residential markets, providing innovative fire protection solutions that serve as alternatives to traditional sprinkler systems. Their technology is notable for its rapid deployment and ability to disrupt combustion chemistry without using water or chemicals.

Commonwealth Fusion Systems (CFS) is focused on developing fusion power technology to generate nearly limitless energy. The company is building Sparc, a power plant designed to achieve scientific breakeven by 2027, and has raised a total of $3.94 billion in funding to date.

Rune Energy places modular data centers on solar and wind farms to utilize power that would otherwise be wasted. The company aims to address the growing demand for AI compute while reducing renewable energy curtailment by consuming electricity at the source.

Heron Power is focused on developing advanced electric grid equipment. The company aims to enhance the efficiency and reliability of power distribution systems. Their new factory, planned with a $100 million investment, will support the growing demand for innovative energy solutions.

AGent Energy focuses on transforming idle backup generators into grid capacity, providing a solution to enhance energy efficiency. The company targets energy providers and utilities looking to optimize their resources and reduce reliance on traditional power sources. This funding round will help AGent Energy expand its technology and market reach.

Form Energy develops iron-air batteries designed to discharge for up to 100 hours, targeting data centers and utilities seeking reliable electricity. The company is expanding its manufacturing capabilities to meet increasing demand from AI data centers and other customers.

Yulu is an electric mobility startup that operates shared electric two-wheelers for short-distance travel and hyperlocal deliveries. It aims to expand its fleet significantly and prepare for a potential IPO, highlighting its growth and market demand.

Energy Startup is focused on developing innovative battery technology powered by rust. This funding round will help advance their efforts in creating sustainable energy solutions.

The French-Omani group is involved in the development of renewable energy projects, specifically focusing on wind energy. This funding will support the construction of a $130 million wind farm, contributing to sustainable energy solutions in the region.

Mitti Labs is focused on developing an AI-driven platform for climate-smart agriculture. The company aims to enhance agricultural practices through innovative technology, targeting farmers and agricultural businesses. This funding round will help expand their platform and reach more customers.

Ore Energy is a Dutch startup focused on developing iron-air batteries that can store renewable energy for up to 100 hours. The company aims to provide a cost-effective alternative to lithium-ion batteries, targeting the growing demand for energy storage solutions in the context of increasing electricity needs driven by AI workloads.

80 Acres Farms is an indoor vertical farming company that specializes in growing fresh produce using innovative farming techniques. The company targets consumers looking for sustainable and locally sourced food options. Despite raising $400 million in venture capital, it has announced its closure after 11 years of operation.

Base Power is a battery startup focused on developing innovative energy storage solutions. The company targets the renewable energy market, providing efficient and sustainable battery systems. This recent funding round of $1 billion highlights the growing interest and investment in clean energy technologies.

UK energy tech startups are focused on developing software and AI tools for managing, trading, and decarbonising energy. Despite raising a record £260M in 2025, there are currently no unicorns in this sector, indicating a unique market dynamic.

Claros Technologies is a leader in destruction and analytical solutions for PFAS, commonly known as 'forever chemicals'. The company targets industrial manufacturers, remediation firms, utilities, and government agencies, providing technology that enables permanent destruction of PFAS at an industrial scale. This funding round will accelerate the commercialization of their proprietary PFAS Destruction System and expand their operations globally.

Claros is focused on developing advanced technologies for the permanent destruction of PFAS compounds. The company targets industrial manufacturers, environmental remediation firms, and government organizations, providing integrated solutions that address rising environmental regulations. This funding round will enable Claros to scale its manufacturing and expand its global market presence.

Greyparrot is a technology company focused on recycling analytics. They provide data-driven solutions to improve recycling processes and efficiency, targeting businesses in the waste management and recycling sectors. This funding round will help them expand their dataset and enhance their analytics capabilities.

The planned e-fuels facility aims to produce sustainable fuels using renewable energy sources. It targets the transportation sector, contributing to the reduction of carbon emissions. The project has secured significant funding from the Scottish government to support its development.

Thea Energy is a fusion power startup focused on manufacturing modular high-temperature superconducting magnets for fusion reactors. The company aims to harness fusion power for commercial use, utilizing a stellarator design that effectively confines plasma. With a recent $20 million grant from the Department of Energy, Thea is positioned to reduce manufacturing costs and advance its technology.

Antares Nuclear is a startup focused on developing small modular reactors (SMRs) for U.S. military bases. The company aims to provide a new source of power through advanced nuclear technology, utilizing TRISO fuel for enhanced safety. This funding round highlights the growing interest in nuclear energy as a solution to increasing electricity demand.

Nuclear Turbines is a Manchester-based startup developing compact, cost-effective advanced nuclear power systems. The company aims to solve nuclear's critical cost and scale challenges by integrating its modular reactor architecture with gas turbine technology, providing a clean and resilient alternative to traditional grid-connected electricity.

Proxima Fusion is a startup focused on developing fusion energy technology, specifically utilizing a stellarator design for continuous power generation. The company aims to create a net-energy stellarator demonstrator, Alpha, with funding from notable investors like Google and RWE. This round of funding positions Proxima as Europe's best-funded fusion startup, highlighting the increasing interest from Big Tech in sustainable energy solutions.

SunCulture is a Kenyan climate-tech startup that provides solar-powered irrigation solutions to small-scale farmers. The company aims to enhance agricultural productivity by offering affordable irrigation systems that are environmentally friendly and cost-effective compared to traditional fuel-based pumps.

Farm Watt Innovations focuses on expanding its biomass supply network to support sustainable energy solutions. The company targets agricultural and energy sectors, aiming to enhance the efficiency of biomass utilization. This funding round will help them scale their operations and improve supply chain logistics.

The project involves the development of a £250 million battery storage facility at a former coal power station. This initiative aims to enhance energy storage capabilities and support the transition to renewable energy sources.