# New Energy Storage Startups Founded Since 2020: Market Map 2026 (58 Companies) > 58 energy storage startups founded in 2020 or later, mapped in 4 segments, best-funded first: $5.0B raised. Updated nightly. Source: https://millionrounds.com/market-maps/new-energy-storage-startups-market-map (Millionrounds; every figure on the page links to its filing or article) ## Battery storage projects 43 - [Akaysha Energy](https://millionrounds.com/company/akaysha-energy) - [Fidra Energy](https://millionrounds.com/company/fidra-energy) - [Rezolv Energy](https://millionrounds.com/company/rezolv-energy) - [EnerVenue](https://millionrounds.com/company/enervenue) - [Terra One](https://millionrounds.com/company/terra-one) - [Pathway Power](https://millionrounds.com/company/pathway-power) - [Project Omega](https://millionrounds.com/company/project-omega) - [Varco Energy](https://millionrounds.com/company/varco-energy) - [Elevate Renewable Energy](https://millionrounds.com/company/elevate-renewable-energy) - [Granite Source Power](https://millionrounds.com/company/granite-source-power) - [Redeux Energy](https://millionrounds.com/company/redeux-energy) - [GoodPeak](https://millionrounds.com/company/goodpeak) - [Peak Power](https://millionrounds.com/company/peak-power) - [LiNova Energy](https://millionrounds.com/company/linova-energy) - [Capalo AI](https://millionrounds.com/company/capalo-ai) - [theion](https://millionrounds.com/company/theion) - [Johnson Energy Storage](https://millionrounds.com/company/johnson-energy-storage) - [Green Voltis](https://millionrounds.com/company/green-voltis) - [Eddy Grid](https://millionrounds.com/company/eddy-grid) - [enSights](https://millionrounds.com/company/ensights) - [Moonwatt](https://millionrounds.com/company/moonwatt) - [Evyon](https://millionrounds.com/company/evyon) - [Cactos](https://millionrounds.com/company/cactos) - [Powerline](https://millionrounds.com/company/powerline) +19 more ## Thermal storage 9 - [Elvy](https://millionrounds.com/company/elvy) - [Exowatt](https://millionrounds.com/company/exowatt) - [Fourth Power](https://millionrounds.com/company/fourth-power) - [TheStorage](https://millionrounds.com/company/thestorage) - [Cache Energy](https://millionrounds.com/company/cache-energy) - [Fex Energy](https://millionrounds.com/company/fex-energy) - [Good Heat](https://millionrounds.com/company/good-heat) - [Nanolope](https://millionrounds.com/company/nanolope) - [The Heat Vault Company](https://millionrounds.com/company/the-heat-vault-company) ## Mechanical storage 3 - [Green Gravity](https://millionrounds.com/company/green-gravity) - [Qnetic](https://millionrounds.com/company/qnetic) - [Levistor](https://millionrounds.com/company/levistor) ## Storage software 3 - [Decade Energy](https://millionrounds.com/company/decade-energy) - [Inbalance](https://millionrounds.com/company/inbalance) - [Alpha Grid](https://millionrounds.com/company/alpha-grid) ## Segment by segment ### Battery storage projects 43 startups · $4.2B raised - [**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 - [**EnerVenue**](https://millionrounds.com/company/enervenue) EnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020. United States $312M - [**Terra One**](https://millionrounds.com/company/terra-one) Terra One engages in the development and operation of large-scale battery storage systems. Germany $185M - [**Pathway Power**](https://millionrounds.com/company/pathway-power) Pathway Power is a utility-scale solar and battery storage developer building a renewable energy value chain. United States $150M - [**Project Omega**](https://millionrounds.com/company/project-omega) Project Omega is a nuclear technology startup founded in 2026 and headquartered in Rhode Island. United States $92M - [**Varco Energy**](https://millionrounds.com/company/varco-energy) Varco Energy is a battery storage asset owner and operator. United Kingdom $75M ### Thermal storage 9 startups · $700M 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 - [**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 - [**TheStorage**](https://millionrounds.com/company/thestorage) TheStorage is a Finnish cleantech startup based in Tampere, focused on developing industrial thermal energy storage systems. Finland $5.4M - [**Cache Energy**](https://millionrounds.com/company/cache-energy) Cache Energy is a technology startup based in Champaign, Illinois, focused on long-duration energy storage (LDES) and heat electrification. United States $4.0M - [**Fex Energy**](https://millionrounds.com/company/fex-energy) FeX Energy is a Montreal-based clean technology startup founded in 2023, emerging from over 15 years of research. Canada $3.5M - [**Good Heat**](https://millionrounds.com/company/good-heat) Good Heat is a climate technology startup focused on providing clean, electrified industrial heat as a service. Australia $2.0M - [**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 ### Mechanical storage 3 startups · $17M raised - [**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 - [**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 ### Storage software 3 startups · $32M raised - [**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 **How this map is made.** Every startup here has raised money in rounds we track, and was founded in 2020 or later. 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) [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)[Raised in 2026 **Energy storage startups that raised in 2026** 51 startups · 4 segments · $8.7B](https://millionrounds.com/market-maps/energy-storage-raised-2026-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)