# Energy Storage Market Map 2026: 185 Startups in 6 Segments > Market map of 185 energy storage startups worldwide in 6 segments, from battery storage projects, thermal storage and storage software on. Source: https://millionrounds.com/market-maps/energy-storage-market-map (Millionrounds; every figure on the page links to its filing or article) ## Battery storage projects 128 - [Clenera](https://millionrounds.com/company/clenera) - [Akaysha Energy](https://millionrounds.com/company/akaysha-energy) - [Fidra Energy](https://millionrounds.com/company/fidra-energy) - [Rezolv Energy](https://millionrounds.com/company/rezolv-energy) - [Primergy Solar](https://millionrounds.com/company/primergy-solar) - [Maxwell Power](https://millionrounds.com/company/maxwell-power) - [Eelpower](https://millionrounds.com/company/eelpower) - [Zenobe Energy](https://millionrounds.com/company/zenobe-energy) - [NineDot Energy](https://millionrounds.com/company/ninedot-energy) - [Infinity Power](https://millionrounds.com/company/infinity-power) - [Lion Storage](https://millionrounds.com/company/lion-storage) - [Goshe Energy Storage](https://millionrounds.com/company/goshe-energy-storage) - [EnerVenue](https://millionrounds.com/company/enervenue) - [QuantumScape](https://millionrounds.com/company/quantumscape) - [Summit Ridge Energy](https://millionrounds.com/company/summit-ridge-energy) - [ABO Energy](https://millionrounds.com/company/abo-energy) - [Skeleton Technologies](https://millionrounds.com/company/skeleton-technologies) - [esVolta](https://millionrounds.com/company/esvolta) - [BlueWave](https://millionrounds.com/company/bluewave) - [Nexus Renewable Power](https://millionrounds.com/company/nexus-renewable-power) - [Aquion Energy](https://millionrounds.com/company/aquion-energy) - [Terra One](https://millionrounds.com/company/terra-one) - [Plus Power](https://millionrounds.com/company/plus-power) - [Nyobolt](https://millionrounds.com/company/nyobolt) +104 more ## Thermal storage 25 - [Elvy](https://millionrounds.com/company/elvy) - [SolarReserve](https://millionrounds.com/company/solarreserve) - [Ice Energy](https://millionrounds.com/company/ice-energy) - [Exowatt](https://millionrounds.com/company/exowatt) - [Fourth Power](https://millionrounds.com/company/fourth-power) - [EPYR](https://millionrounds.com/company/epyr) - [MGA Thermal](https://millionrounds.com/company/mga-thermal) - [Sunamp](https://millionrounds.com/company/sunamp) - [Azelio](https://millionrounds.com/company/azelio) - [TheStorage](https://millionrounds.com/company/thestorage) - [Cheesecake Energy](https://millionrounds.com/company/cheesecake-energy) - [Cache Energy](https://millionrounds.com/company/cache-energy) - [Viking Cold Solutions](https://millionrounds.com/company/viking-cold-solutions) - [Glacies Technologies](https://millionrounds.com/company/glacies-technologies) - [Fex Energy](https://millionrounds.com/company/fex-energy) - [Pluss Polymers](https://millionrounds.com/company/pluss-polymers) - [NETenergy](https://millionrounds.com/company/netenergy) - [Harvest Thermal](https://millionrounds.com/company/harvest-thermal) - [Good Heat](https://millionrounds.com/company/good-heat) - [i-TES srl](https://millionrounds.com/company/i-tes-srl) - [Element 16 Technologies](https://millionrounds.com/company/element-16-technologies) - [Promethean Power Systems](https://millionrounds.com/company/promethean-power-systems) - [Calogy Solutions](https://millionrounds.com/company/calogy-solutions) - [Nanolope](https://millionrounds.com/company/nanolope) +1 more ## Storage software 10 - [On.Energy](https://millionrounds.com/company/on-energy) - [Modo Energy](https://millionrounds.com/company/modo-energy) - [Quartux](https://millionrounds.com/company/quartux) - [CPower](https://millionrounds.com/company/cpower) - [Decade Energy](https://millionrounds.com/company/decade-energy) - [Inbalance](https://millionrounds.com/company/inbalance) - [Alpha Grid](https://millionrounds.com/company/alpha-grid) - [Blue Whale Energy](https://millionrounds.com/company/blue-whale-energy) - [1Energy Systems](https://millionrounds.com/company/1energy-systems) - [Geli](https://millionrounds.com/company/geli) ## Mechanical storage 9 - [Hydrostor](https://millionrounds.com/company/hydrostor) - [Vycon](https://millionrounds.com/company/vycon) - [Green Gravity](https://millionrounds.com/company/green-gravity) - [Sizable Energy](https://millionrounds.com/company/sizable-energy) - [Storelectric](https://millionrounds.com/company/storelectric) - [RheEnergise](https://millionrounds.com/company/rheenergise) - [Qnetic](https://millionrounds.com/company/qnetic) - [Levistor](https://millionrounds.com/company/levistor) - [Revterra](https://millionrounds.com/company/revterra) ## Flow batteries 7 - [Primus Power](https://millionrounds.com/company/primus-power) - [VoltStorage](https://millionrounds.com/company/voltstorage) - [*GE* Guorun Energy Storage](https://millionrounds.com/company/guorun-energy-storage) - [RFC Power](https://millionrounds.com/company/rfc-power) - [Sinergy Flow](https://millionrounds.com/company/sinergy-flow) - [StorTera](https://millionrounds.com/company/stortera) - [Rivus Batteries](https://millionrounds.com/company/rivus-batteries) ## Metal-air batteries 6 - [Ore Energy](https://millionrounds.com/company/ore-energy) - [e-Zinc](https://millionrounds.com/company/e-zinc) - [ZincFive](https://millionrounds.com/company/zincfive) - [ViZn Energy Systems](https://millionrounds.com/company/vizn-energy-systems) - [Enerpoly](https://millionrounds.com/company/enerpoly) - [MEINE Electric](https://millionrounds.com/company/meine-electric) ## Segment by segment ### Battery storage projects 128 startups · $15B raised - [**Clenera**](https://millionrounds.com/company/clenera) Clenera is a privately-held renewable energy company acquires, develops, builds and manages utility-scale solar farms and energy storage. United States $2.9B - [**Akaysha Energy**](https://millionrounds.com/company/akaysha-energy) Akaysha Energy offers full-cycle development for projects including Battery Energy Storage Systems (BESS) and renewable energy. Australia $1.5B - [**Fidra Energy**](https://millionrounds.com/company/fidra-energy) Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system. United Kingdom $804M - [**Rezolv Energy**](https://millionrounds.com/company/rezolv-energy) Rezolv Energy is an independent power producer and renewable energy developer based in Prague, Czech Republic. Romania $763M - [**Primergy Solar**](https://millionrounds.com/company/primergy-solar) Primergy Solar is a developer, owner and operator focused on both distributed and utility scale solar PV and battery storage projects. United States $760M - [**Maxwell Power**](https://millionrounds.com/company/maxwell-power) Maxwell Power is a renewable energy company that installs solar panels. United States $750M - [**Eelpower**](https://millionrounds.com/company/eelpower) Eelpower is a battery storage developer that operates energy storage solutions. United Kingdom $682M - [**Zenobe Energy**](https://millionrounds.com/company/zenobe-energy) Zenobe Energy manufactures battery storage assets for electric bus operators, utilities, and industrial and commercial businesses. United Kingdom $515M ### Thermal storage 25 startups · $1.1B raised - [**Elvy**](https://millionrounds.com/company/elvy) Elvy is a Stockholm-based energytech startup founded in 2023, specializing in AI-optimized, subscription-based home energy systems. Sweden $595M - [**SolarReserve**](https://millionrounds.com/company/solarreserve) SolarReserve, a venture-backed renewable energy company, focuses on advanced solar thermal storage technology. United States $182M - [**Ice Energy**](https://millionrounds.com/company/ice-energy) Ice Energy is a clean energy technology company based in Santa Barbara, California, with a distribution center in Costa Mesa. United States $132M - [**Exowatt**](https://millionrounds.com/company/exowatt) Exowatt is a renewable energy company based in Miami, Florida, founded in 2023. United States $50M - [**Fourth Power**](https://millionrounds.com/company/fourth-power) Fourth Power is an innovative energy technology company based in Cambridge, Massachusetts. United States $39M - [**EPYR**](https://millionrounds.com/company/epyr) Industrial heat represents 25% of global energy consumption and remains one of the hardest sectors to decarbonize, with 80% still France $20M - [**MGA Thermal**](https://millionrounds.com/company/mga-thermal) MGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions. Australia $12M - [**Sunamp**](https://millionrounds.com/company/sunamp) Sunamp is a company that provides industrial and residential heat battery storage systems. United States $8.1M ### Storage software 10 startups · $241M raised - [**On.Energy**](https://millionrounds.com/company/on-energy) On.Energy is an energy storage developer that offers analytics and AI-powered energy management software. United States $78M - [**Modo Energy**](https://millionrounds.com/company/modo-energy) Modo Energy is an energy asset analysis platform that provides users with data, research, and benchmarking tools for energy storage. United Kingdom $50M - [**Quartux**](https://millionrounds.com/company/quartux) Quartux designs build and operate energy storage systems with intelligent software. Mexico $50M - [**CPower**](https://millionrounds.com/company/cpower) CPower is an energy company that specializes in energy storage, clean energy, and peak demand management. United States $28M - [**Decade Energy**](https://millionrounds.com/company/decade-energy) Decade Energy develops energy storage, charging, and software solutions that secures power for electric fleets at the lowest possible cost. France $26M - [**Inbalance**](https://millionrounds.com/company/inbalance) We use machine learning to accurately forecast electricity prices. Lithuania $3.4M - [**Alpha Grid**](https://millionrounds.com/company/alpha-grid) Alpha Grid is a software development company based in Palo Alto, California, founded in 2020. United States $2.5M - [**Blue Whale Energy**](https://millionrounds.com/company/blue-whale-energy) Blue Whale Energy is a Singapore-based virtual power plant company that simplifies energy storage for businesses. Singapore $2.0M ### Mechanical storage 9 startups · $93M raised - [**Hydrostor**](https://millionrounds.com/company/hydrostor) Hydrostor is a Canadian energy storage company based in Toronto, founded in 2010. Canada $37M - [**Vycon**](https://millionrounds.com/company/vycon) Vycon is a manufacturer of technologically advanced flywheel energy storage systems. United States $18M - [**Green Gravity**](https://millionrounds.com/company/green-gravity) Green Gravity is an Australian clean technology company founded in 2021, based in North Wollongong, New South Wales. Australia $9.0M - [**Sizable Energy**](https://millionrounds.com/company/sizable-energy) Sizable Energy is an Italian startup focused on long-duration energy storage by adapting pumped hydro technology for offshore use Italy $8.0M - [**Storelectric**](https://millionrounds.com/company/storelectric) Storelectric is a UK-based company founded in 2013, specializing in large-scale, long-duration green energy storage solutions. United Kingdom $7.7M - [**RheEnergise**](https://millionrounds.com/company/rheenergise) RheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative High United Kingdom $6.3M - [**Qnetic**](https://millionrounds.com/company/qnetic) Qnetic is a renewable energy startup based in New York, founded in 2021. United States $5.1M - [**Levistor**](https://millionrounds.com/company/levistor) Levistor is a UK-based cleantech company founded in 2021, specializing in high-power, short-duration energy storage systems. United Kingdom $2.6M ### Flow batteries 7 startups · $231M raised - [**Primus Power**](https://millionrounds.com/company/primus-power) Primus Power manufactures big batteries for the Smart Grid and scalable energy storage in a Zinc Bromine flow battery. United States $139M - [**VoltStorage**](https://millionrounds.com/company/voltstorage) VoltStorage develops and produces solar energy storage systems based on the eco-friendly Redox Flow Battery technology. Germany $33M - [*GE* **Guorun Energy Storage**](https://millionrounds.com/company/guorun-energy-storage) Guorun Energy Storage focuses on the manufacture of all-vanadium flow battery equipment and diaphragm materials for flow batteries. China $28M - [**RFC Power**](https://millionrounds.com/company/rfc-power) RFC Power is a global provider of long-duration energy storage solutions, focused on developing a low-cost hydrogen-manganese hybr United Kingdom $15M - [**Sinergy Flow**](https://millionrounds.com/company/sinergy-flow) Sinergy Flow is a Milan-based DeepTech startup founded in 2022, specializing in low-cost, sustainable redox flow batteries (RFBs) Italy $8.3M - [**StorTera**](https://millionrounds.com/company/stortera) StorTera Ltd is an Edinburgh-based company specializing in long-duration energy storage solutions. United Kingdom $6.0M - [**Rivus Batteries**](https://millionrounds.com/company/rivus-batteries) Rivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019. Sweden $2.9M ### Metal-air batteries 6 startups · $122M raised - [**Ore Energy**](https://millionrounds.com/company/ore-energy) Ore Energy is a Dutch climate technology startup founded in 2022 and spun out of TU Delft in 2023. Netherlands $43M - [**e-Zinc**](https://millionrounds.com/company/e-zinc) e-Zinc is an energy storage company based in Toronto, Canada, focused on developing zinc-based long-duration energy storage solutions. Canada $31M - [**ZincFive**](https://millionrounds.com/company/zincfive) ZincFive provides energy storage and delivery solutions, designing and supplying nickel-zinc (NiZn) battery systems. United States $29M - [**ViZn Energy Systems**](https://millionrounds.com/company/vizn-energy-systems) ViZn Energy Systems is an international energy storage equipment and engineering company founded in 2009, originally as Zinc Air, Inc. United States $10M - [**Enerpoly**](https://millionrounds.com/company/enerpoly) Enerpoly is a next-generation energy storage technology company pioneering the zinc-ion battery chemistry. Sweden $8.4M - [**MEINE Electric**](https://millionrounds.com/company/meine-electric) Meine Electric is APAC's first iron-air LDES innovator, building affordable, 16/24 hour long-duration storage to turn intermittent India $750K **How this map is made.** Every startup here has raised money in rounds we track. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in energy storage, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026. ## More market maps [All maps](https://millionrounds.com/market-maps) [**Cybersecurity** 817 startups · 9 segments · $33B](https://millionrounds.com/market-maps/cybersecurity-market-map)[**Agritech** 719 startups · 7 segments · $15B](https://millionrounds.com/market-maps/agritech-market-map)[**HR software** 664 startups · 8 segments · $13B](https://millionrounds.com/market-maps/hr-software-market-map)[**CFO tech stack** 564 startups · 6 segments · $19B](https://millionrounds.com/market-maps/cfo-tech-stack-market-map)[**Social and dating apps** 486 startups · 5 segments · $4.1B](https://millionrounds.com/market-maps/social-and-dating-apps-market-map)[**Supply chain tech** 472 startups · 7 segments · $32B](https://millionrounds.com/market-maps/supply-chain-tech-market-map) ## Who backs energy storage? Open any company for its rounds and investors, or search the investors behind these startups in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[Top lists](https://millionrounds.com/top-lists)