# Energy Storage Startups That Raised in 2026: Market Map of 51 Companies > The 51 energy storage startups that raised money in 2026, mapped in 4 segments and ranked by this year's rounds: $8.7B between them. Updated nightly. Source: https://millionrounds.com/market-maps/energy-storage-raised-2026-market-map (Millionrounds; every figure on the page links to its filing or article) ## Battery storage projects 39 - [Clenera](https://millionrounds.com/company/clenera) - [Akaysha Energy](https://millionrounds.com/company/akaysha-energy) - [Primergy Solar](https://millionrounds.com/company/primergy-solar) - [Maxwell Power](https://millionrounds.com/company/maxwell-power) - [NineDot Energy](https://millionrounds.com/company/ninedot-energy) - [Rezolv Energy](https://millionrounds.com/company/rezolv-energy) - [Goshe Energy Storage](https://millionrounds.com/company/goshe-energy-storage) - [EnerVenue](https://millionrounds.com/company/enervenue) - [Summit Ridge Energy](https://millionrounds.com/company/summit-ridge-energy) - [Zenobe Energy](https://millionrounds.com/company/zenobe-energy) - [esVolta](https://millionrounds.com/company/esvolta) - [Pathway Power](https://millionrounds.com/company/pathway-power) - [Skeleton Technologies](https://millionrounds.com/company/skeleton-technologies) - [Project Omega](https://millionrounds.com/company/project-omega) - [Nyobolt](https://millionrounds.com/company/nyobolt) - [Elevate Renewable Energy](https://millionrounds.com/company/elevate-renewable-energy) - [Moment Energy](https://millionrounds.com/company/moment-energy) - [Tavion](https://millionrounds.com/company/tavion) - [*HE* Heritage Energy Holdings](https://millionrounds.com/company/heritage-energy-holdings) - [Electra Battery Materials](https://millionrounds.com/company/electra-battery-materials) - [Green Voltis](https://millionrounds.com/company/green-voltis) - [R3 Lithium](https://millionrounds.com/company/r3-lithium) - [eCactus](https://millionrounds.com/company/ecactus) - [Capalo AI](https://millionrounds.com/company/capalo-ai) +15 more ## Thermal storage 6 - [EPYR](https://millionrounds.com/company/epyr) - [MGA Thermal](https://millionrounds.com/company/mga-thermal) - [Elvy](https://millionrounds.com/company/elvy) - [TheStorage](https://millionrounds.com/company/thestorage) - [Glacies Technologies](https://millionrounds.com/company/glacies-technologies) - [Nanolope](https://millionrounds.com/company/nanolope) ## Flow batteries 3 - [RFC Power](https://millionrounds.com/company/rfc-power) - [Sinergy Flow](https://millionrounds.com/company/sinergy-flow) - [Rivus Batteries](https://millionrounds.com/company/rivus-batteries) ## Mechanical storage 3 - [Qnetic](https://millionrounds.com/company/qnetic) - [Levistor](https://millionrounds.com/company/levistor) - [RheEnergise](https://millionrounds.com/company/rheenergise) ## Segment by segment ### Battery storage projects 39 startups · $8.6B 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 $1.2B - [**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 - [**NineDot Energy**](https://millionrounds.com/company/ninedot-energy) NineDot Energy develops battery storage sites and other energy solutions. United States $431M - [**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 $410M - [**Goshe Energy Storage**](https://millionrounds.com/company/goshe-energy-storage) Goshe Energy Storage develops, constructs, and manages utility-scale energy storage facilities to promote a sustainable energy future. United States $328M - [**EnerVenue**](https://millionrounds.com/company/enervenue) EnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020. United States $300M ### Thermal storage 6 startups · $45M raised - [**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 $17M - [**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 - [**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 $7.6M - [**TheStorage**](https://millionrounds.com/company/thestorage) TheStorage is a Finnish cleantech startup based in Tampere, focused on developing industrial thermal energy storage systems. Finland $4.2M - [**Glacies Technologies**](https://millionrounds.com/company/glacies-technologies) Glacies specializes in seasonal thermal storage, utilizing water's phase change properties to store heat in underground mines. Canada $3.6M - [**Nanolope**](https://millionrounds.com/company/nanolope) Nanolope is a Berlin‐based deep‐tech company developing high‐density thermal energy storage materials for buildings and energy systems. Germany $936K ### Flow batteries 3 startups · $24M raised - [**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 $14M - [**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 - [**Rivus Batteries**](https://millionrounds.com/company/rivus-batteries) Rivus Batteries is a Swedish deep-tech company based in Gothenburg, founded in 2019. Sweden $2.3M ### Mechanical storage 3 startups · $6.4M raised - [**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 $686K - [**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 $677K **How this map is made.** Every startup here has raised money in rounds we track, and raised in 2026. 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 biggest raisers this year first. Rebuilt nightly; updated 15 November 2026. ## More market maps [All maps](https://millionrounds.com/market-maps) [Market map **Energy storage market map** 185 startups · 6 segments · $17B](https://millionrounds.com/market-maps/energy-storage-market-map)[Investors map **Who invests in energy storage** 69 investors · 6 segments](https://millionrounds.com/market-maps/energy-storage-investors-map)[New wave **New energy storage startups, founded 2020 on** 58 startups · 4 segments · $5.0B](https://millionrounds.com/market-maps/new-energy-storage-startups-market-map)[Market map · United States **Energy storage market map: United States** 76 startups · 4 segments · $8.8B](https://millionrounds.com/market-maps/energy-storage-united-states-market-map)[Market map · Europe **Energy storage market map: Europe** 70 startups · 5 segments · $5.7B](https://millionrounds.com/market-maps/energy-storage-europe-market-map)[Market map **Marketing tech market map** 1,963 startups · 7 segments · $41B](https://millionrounds.com/market-maps/marketing-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)