# Top 50 Energy Startups Founded in 2020 by Funding (2026)

> The 50 best-funded energy startups founded in 2020, ranked by total funding raised: $15B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/energy-startups-founded-2020 (Millionrounds; every figure on the page links to its filing or article)

- 1 [**VoltaGrid** VoltaGrid is ushering in a new era of power generation and permanently changing the landscape of mobile power.](https://millionrounds.com/company/voltagrid) VoltaGrid is ushering in a new era of power generation and permanently changing the landscape of mobile power. *Founded* 2020 Bellaire, United States **$5.8B** last round May 2026
- 2 [**Ultium Cells** Ultium Cells uses technologically advanced methods in the industry to produce the battery cells.](https://millionrounds.com/company/ultium-cells) Ultium Cells uses technologically advanced methods in the industry to produce the battery cells. *Founded* 2020 Warren, United States **$2.5B** last round Jul 2022
- 3 [**EnergyRe** EnergyRe is at the center of the clean energy future.](https://millionrounds.com/company/energyre) EnergyRe is at the center of the clean energy future. *Founded* 2020 New York, United States **$1.2B** last round Oct 2026
- 4 [**Electra** Electra is decarbonizing ironmaking for green steel production using intermittent renewable energy and low-grade iron ores.](https://millionrounds.com/company/electra) Electra is decarbonizing ironmaking for green steel production using intermittent renewable energy and low-grade iron ores. *Founded* 2020 Boulder, United States **$1.1B** last round Mar 2026
- 5 [**Renewable Power Capital** Renewable Power Capital is a renewable energy investment platform that focuses on energy industries.](https://millionrounds.com/company/renewable-power-capital) Renewable Power Capital is a renewable energy investment platform that focuses on energy industries. *Founded* 2020 London, United Kingdom **$915M** last round Sept 2026
- 6 [**Vianode** Vianode is a producer of sustainably engineered battery materials.](https://millionrounds.com/company/vianode) Vianode is a producer of sustainably engineered battery materials. *Founded* 2020 Oslo, Norway **$475M** last round Nov 2025
- 7 [**Lunar Energy** Lunar Energy is a renewable energy company based in Mountain View, California, founded in 2020.](https://millionrounds.com/company/lunar-energy) Lunar Energy is a renewable energy company based in Mountain View, California, founded in 2020. *Founded* 2020 Mountain View, United States **$334M** last round Feb 2026
- 8 [**EnerVenue** EnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020.](https://millionrounds.com/company/enervenue) EnerVenue is an energy storage infrastructure company based in Fremont, California, founded in 2020. *Founded* 2020 Fremont, United States **$312M** last round Mar 2026
- 9 [**G Mining Ventures Corp.** G Mining Ventures is a mineral exploration company conducting exploration and development projects.](https://millionrounds.com/company/g-mining-ventures-corp) G Mining Ventures is a mineral exploration company conducting exploration and development projects. *Founded* 2020 Brossard, Canada **$278M** last round Oct 2025
- 10 [**AMPYR Solar Europe** AMPYR Solar Europe is an Independent electricity generator and solar development.](https://millionrounds.com/company/ampyr-solar-europe) AMPYR Solar Europe is an Independent electricity generator and solar development. *Founded* 2020 London, United Kingdom **$214M** last round Jun 2023
- 11 [**EVC** EVC's core focus is on providing convenient, practical and reliable 'destination' charging options for its growing customer base](https://millionrounds.com/company/evc) EVC's core focus is on providing convenient, practical and reliable 'destination' charging options for its growing customer base *Founded* 2020 United Kingdom **$199M** last round Feb 2023
- 12 [**Power2X** Power2X is a strategic energy management service provider focusing on sustainable and conserving energy.](https://millionrounds.com/company/power2x) Power2X is a strategic energy management service provider focusing on sustainable and conserving energy. *Founded* 2020 Amsterdam, Netherlands **$143M** last round Jul 2023
- 13 [**Amogy** Amogy Inc.](https://millionrounds.com/company/amogy) Amogy Inc. *Founded* 2020 New York, United States **$125M** last round Oct 2026
- 14 [**Sunswap** Sunswap is a British manufacturer specializing in fully electric, battery and solar-powered transport refrigeration units.](https://millionrounds.com/company/sunswap) Sunswap is a British manufacturer specializing in fully electric, battery and solar-powered transport refrigeration units. *Founded* 2020 Leatherhead, United Kingdom **$106M** last round Apr 2026
- 15 [**R-Zero** R-Zero is a San Francisco-based smart building technology company founded in 2020.](https://millionrounds.com/company/r-zero) R-Zero is a San Francisco-based smart building technology company founded in 2020. *Founded* 2020 San Francisco, United States **$105M** last round Feb 2023
- 16 [**Kanin Energy** Kanin Energy is a clean technology developer founded in 2020, focused on industrial decarbonization.](https://millionrounds.com/company/kanin-energy) Kanin Energy is a clean technology developer founded in 2020, focused on industrial decarbonization. *Founded* 2020 Calgary, Canada **$100M** last round Sept 2026
- 17 [**Ecogreen Energy** Ecogreen Energy produces energy from nature through solar, biogas, and biomass-based electricity generation.](https://millionrounds.com/company/ecogreen-energy) Ecogreen Energy produces energy from nature through solar, biogas, and biomass-based electricity generation. *Founded* 2020 Denizli, Türkiye **$90M** last round Jul 2025
- 18 [**FYLD** FYLD enhances productivity and safety on-site by providing real-time remote visibility and data analytics capabilities.](https://millionrounds.com/company/fyld) FYLD enhances productivity and safety on-site by providing real-time remote visibility and data analytics capabilities. *Founded* 2020 United Kingdom **$84M** last round Feb 2026
- 19 [**Rondo Energy** Rondo Heat Battery powers industrial processes with renewable electricity, cutting energy costs and eliminating emissions.](https://millionrounds.com/company/rondo-energy) Rondo Heat Battery powers industrial processes with renewable electricity, cutting energy costs and eliminating emissions. *Founded* 2020 United States **$80M** last round Jun 2024
- 20 [**Element Energy** Element Energy is a energy consulting firm that offers rooftop solar system services.](https://millionrounds.com/company/element-energy) Element Energy is a energy consulting firm that offers rooftop solar system services. *Founded* 2020 United States **$73M** last round Nov 2023
- 21 [**LanzaJet** LanzaJet is a private company founded in 2020 that focuses on sustainable fuels technology.](https://millionrounds.com/company/lanzajet) LanzaJet is a private company founded in 2020 that focuses on sustainable fuels technology. *Founded* 2020 Chicago, United States **$67M** last round Oct 2026
- 22 [**INTEGRATED WIND SOLUTIONS AS** IWS AS is an offshore wind service company that intends to serve the offshore wind industry with a fleet of cutting-edge service vessels.](https://millionrounds.com/company/integrated-wind-solutions-as) IWS AS is an offshore wind service company that intends to serve the offshore wind industry with a fleet of cutting-edge service vessels. *Founded* 2020 Oslo, Norway **$65M** last round Jun 2024
- 23 [**Zadient Technologies** Zadient Technologies is a company engaged in production of synthetic silicon carbide a building block for power semiconductors.](https://millionrounds.com/company/zadient-technologies) Zadient Technologies is a company engaged in production of synthetic silicon carbide a building block for power semiconductors. *Founded* 2020 Sainte-hélène-du-lac, France **$40M** last round Nov 2025
- 24 [**RedoxBlox** RedoxBlox is a post-Series A startup based in San Diego, California, focused on transforming the energy sector with its innovative Thermochemical Energy Storage](https://millionrounds.com/company/redoxblox) RedoxBlox is a post-Series A startup based in San Diego, California, focused on transforming the energy sector with its innovative Thermochemical Energy Storage *Founded* 2020 San Diego, United States **$40M** last round Mar 2025
- 25 [**Nexus Renewables** Nexus Renewables is a developer, owner, and operator of renewable energy focusing on energy storage.](https://millionrounds.com/company/nexus-renewables) Nexus Renewables is a developer, owner, and operator of renewable energy focusing on energy storage. *Founded* 2020 Toronto, Canada **$39M** last round Jun 2023
- 26 [**Gridsight** Gridsight is a technology startup founded in 2020 that offers an AI-powered software platform designed to assist electrical utilities in transitioning to a dece](https://millionrounds.com/company/gridsight) Gridsight is a technology startup founded in 2020 that offers an AI-powered software platform designed to assist electrical utilities in transitioning to a dece *Founded* 2020 Sydney, Australia **$38M** last round Sept 2026
- 27 [**General Index** General Index is a technology-driven commodity pricing provider and benchmark administrator based in London, UK.](https://millionrounds.com/company/general-index) General Index is a technology-driven commodity pricing provider and benchmark administrator based in London, UK. *Founded* 2020 London, United Kingdom **$35M** last round Sept 2025
- 28 [**Renaissance Fusion** Renaissance Fusion is a high-temperature superconductor and stellarator company.](https://millionrounds.com/company/renaissance-fusion) Renaissance Fusion is a high-temperature superconductor and stellarator company. *Founded* 2020 Grenoble, France **$35M** last round Mar 2025
- 29 [**Elax Energy** Elax Energy is a software firm that installs thermostats in a variety of water heaters.](https://millionrounds.com/company/elax-energy) Elax Energy is a software firm that installs thermostats in a variety of water heaters. *Founded* 2020 France **$34M** last round Oct 2026
- 30 [**HAMR Energy** Hydrogen assisted molecular recycling (HAMR) allows waste to be converted into chemicals for building products and fuels.](https://millionrounds.com/company/hamr-energy) Hydrogen assisted molecular recycling (HAMR) allows waste to be converted into chemicals for building products and fuels. *Founded* 2020 Melbourne, Australia **$32M** last round Jul 2026
- 31 [**AXS Energia** The AXS solar power strategy involves the construction of solar plants that generate electricity on a larger scale.](https://millionrounds.com/company/axs-energia) The AXS solar power strategy involves the construction of solar plants that generate electricity on a larger scale. *Founded* 2020 Florianópolis, Brazil **$31M** last round May 2024
- 32 [**Anthro Energy** Anthro Energy is a materials company that offers build batteries to enable radically new electronics.](https://millionrounds.com/company/anthro-energy) Anthro Energy is a materials company that offers build batteries to enable radically new electronics. *Founded* 2020 San Jose, United States **$30M** last round Apr 2026
- 33 [**Redeux Energy** Redeux Energy is a renewable energy company that specializes in the construction of solar and battery energy storage projects.](https://millionrounds.com/company/redeux-energy) Redeux Energy is a renewable energy company that specializes in the construction of solar and battery energy storage projects. *Founded* 2020 Denver, United States **$30M** last round Jun 2025
- 34 [**Lodestone Energy** Lodestone Energy builds and develops sustainable power production farms through solar energy market.](https://millionrounds.com/company/lodestone-energy) Lodestone Energy builds and develops sustainable power production farms through solar energy market. *Founded* 2020 Takapuna, New Zealand **$30M** last round Apr 2025
- 35 [**Solus Power** Solus Power is a UK-based energy technology company founded in 2020, specializing in mobile and deployable energy storage systems.](https://millionrounds.com/company/solus-power) Solus Power is a UK-based energy technology company founded in 2020, specializing in mobile and deployable energy storage systems. *Founded* 2020 Victoria Bridge, United Kingdom **$28M** last round Jun 2024
- 36 [**Guorun Energy Storage** Guorun Energy Storage focuses on the manufacture of all-vanadium flow battery equipment and diaphragm materials for flow batteries.](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. *Founded* 2020 China **$28M** last round Jun 2023
- 37 [**Gigaton** Gigaton is a UK-based climate tech startup focused on developing a Self-Learning Control system that utilizes deep reinforcement learning AI.](https://millionrounds.com/company/gigaton) Gigaton is a UK-based climate tech startup focused on developing a Self-Learning Control system that utilizes deep reinforcement learning AI. *Founded* 2020 Cambridge, United Kingdom **$26M** last round Jun 2026
- 38 [**Hephae Energy Technology** Hephae Energy Technology is a Houston-based alternative energy company founded in 2020.](https://millionrounds.com/company/hephae-energy-technology) Hephae Energy Technology is a Houston-based alternative energy company founded in 2020. *Founded* 2020 Spring, United States **$24M** last round Jul 2026
- 39 [**Cala Systems** We design, manufacture, and sell the world's first intelligent heat pump water heater.](https://millionrounds.com/company/cala-systems) We design, manufacture, and sell the world's first intelligent heat pump water heater. *Founded* 2020 Boston, United States **$24M** last round Oct 2026
- 40 [**dCarbonX** dCarbonX Ltd.](https://millionrounds.com/company/dcarbonx) dCarbonX Ltd. *Founded* 2020 United Kingdom **$21M** last round Jan 2025
- 41 [**EvolOH** EVOLOH is a cleantech company based in Santa Clara, California, founded in April 2020.](https://millionrounds.com/company/evoloh) EVOLOH is a cleantech company based in Santa Clara, California, founded in April 2020. *Founded* 2020 Santa Clara, United States **$20M** last round Mar 2024
- 42 [**Gridcog** Gridcog is a B2B SaaS energy technology company based in London, United Kingdom, founded in 2020.](https://millionrounds.com/company/gridcog) Gridcog is a B2B SaaS energy technology company based in London, United Kingdom, founded in 2020. *Founded* 2020 London, United Kingdom **$18M** last round Jul 2026
- 43 [**Fuel Me** Fuel Me is an AI-powered, cloud-based technology platform that focuses on fuel procurement, management, and delivery for commercial operations.](https://millionrounds.com/company/fuel-me) Fuel Me is an AI-powered, cloud-based technology platform that focuses on fuel procurement, management, and delivery for commercial operations. *Founded* 2020 Chicago, United States **$18M** last round Aug 2023
- 44 [**Photoncycle** Photoncycle is a renewable energy technology company based in Oslo Science Park, Norway.](https://millionrounds.com/company/photoncycle) Photoncycle is a renewable energy technology company based in Oslo Science Park, Norway. *Founded* 2020 Oslo, Norway **$17M** last round Mar 2026
- 45 [**theion** theion GmbH is a Berlin-based deep-tech startup founded in 2020, specializing in sustainable battery technology.](https://millionrounds.com/company/theion) theion GmbH is a Berlin-based deep-tech startup founded in 2020, specializing in sustainable battery technology. *Founded* 2020 Berlin, Germany **$16M** last round Mar 2025
- 46 [**Wise Integration** Wise Integration is a French fabless semiconductor company founded in 2020, specializing in Gallium Nitride (GaN) power integrated circuits and digital control systems.](https://millionrounds.com/company/wise-integration) Wise Integration is a French fabless semiconductor company founded in 2020, specializing in Gallium Nitride (GaN) power integrated circuits and digital control systems. *Founded* 2020 Hyeres, France **$16M** last round Feb 2024
- 47 [**BatX Energies** BatX Energies is a clean-tech startup based in Gurugram, India, founded in 2020 by Utkarsh Singh and Vikrant Singh.](https://millionrounds.com/company/batx-energies) BatX Energies is a clean-tech startup based in Gurugram, India, founded in 2020 by Utkarsh Singh and Vikrant Singh. *Founded* 2020 Gurugram, India **$16M** last round Jul 2026
- 48 [**Cable** Cable Tech develops a financial risk control platform that helps reduce the amount of financial crime.](https://millionrounds.com/company/cable) Cable Tech develops a financial risk control platform that helps reduce the amount of financial crime. *Founded* 2020 Surry Hills, Australia **$15M** last round May 2026
- 49 [**GreenStruxure** GreenStruxure is a joint venture established in September 2020 by Schneider Electric, Huck Capital, and ClearGen.](https://millionrounds.com/company/greenstruxure) GreenStruxure is a joint venture established in September 2020 by Schneider Electric, Huck Capital, and ClearGen. *Founded* 2020 Boston, United States **$15M** last round Jun 2022
- 50 [**Jingsil Intelligent** Jingsil Intelligent is dedicated to digital power distribution switches and intelligent power distribution management software systems.](https://millionrounds.com/company/jingsil-intelligent) Jingsil Intelligent is dedicated to digital power distribution switches and intelligent power distribution management software systems. *Founded* 2020 Shanghai **$15M** last round May 2022

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies founded in 2020 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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