# Energy Impact Partners' Cleantech Investments: 19 Startups in Its Portfolio (2026) > The 19 Cleantech startups Energy Impact Partners has backed, by stage: $1.2B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/energy-impact-partners-cleantech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Stage not reported 7 - [Aspen Power](https://millionrounds.com/company/aspen-power) - [Cyclic Materials](https://millionrounds.com/company/cyclic-materials) - [zolar](https://millionrounds.com/company/zolar) - [*A* Aquam](https://millionrounds.com/company/aquam) - [eSmart Systems](https://millionrounds.com/company/esmart-systems) - [*PC* Palmetta Clean Technology](https://millionrounds.com/company/palmetta-clean-technology) - [Metafuels](https://millionrounds.com/company/metafuels) ## Pre-seed and seed 4 - [IND Technology](https://millionrounds.com/company/ind-technology) - [Transaera](https://millionrounds.com/company/transaera) - [Terragia Biofuel](https://millionrounds.com/company/terragia-biofuel) - [Singularity Energy](https://millionrounds.com/company/singularity-energy) ## Series A 4 - [Voya Energy](https://millionrounds.com/company/voya-energy) - [ChargerHelp!](https://millionrounds.com/company/chargerhelp) - [HeatTransformers](https://millionrounds.com/company/heattransformers) - [Bedrock Energy](https://millionrounds.com/company/bedrock-energy) ## Series C and later 2 - [Arcadia](https://millionrounds.com/company/arcadia) - [Oxford Flow](https://millionrounds.com/company/oxford-flow) ## Series B 2 - [Aeroseal](https://millionrounds.com/company/aeroseal) - [Ceibo](https://millionrounds.com/company/ceibo) ## Segment by segment ### Stage not reported 7 startups · $587M raised - [**Aspen Power**](https://millionrounds.com/company/aspen-power) Aspen Power Partners is a distributed generation platform with the dual mission of accelerating and democratizing decarbonization. United States $200M - [**Cyclic Materials**](https://millionrounds.com/company/cyclic-materials) Cyclic Materials is a cleantech company based in Kingston, Ontario, Canada, with a significant presence in Toronto. Canada $150M - [**zolar**](https://millionrounds.com/company/zolar) Zolar offers photovoltaic systems that homeowners can customize, compare, and order online at a fixed price. Germany $109M - [*A* **Aquam**](https://millionrounds.com/company/aquam) United States $61M - [**eSmart Systems**](https://millionrounds.com/company/esmart-systems) eSmart Systems is a leading provider of AI-powered software focused on the digitalization and intelligent asset management of crit Norway $46M - [*PC* **Palmetta Clean Technology**](https://millionrounds.com/company/palmetta-clean-technology) United States $20M - [**Metafuels**](https://millionrounds.com/company/metafuels) Metafuels is a Swiss climate technology company founded in 2019, focused on developing sustainable aviation fuel (SAF) technology Switzerland $2.2M ### Pre-seed and seed 4 startups · $102M raised - [**IND Technology**](https://millionrounds.com/company/ind-technology) IND Technology is a data security and quality improvement. Australia $83M - [**Transaera**](https://millionrounds.com/company/transaera) Transaera is bringing comfort to billions of people while reducing the impact on climate and grid infrastructure. United States $8.2M - [**Terragia Biofuel**](https://millionrounds.com/company/terragia-biofuel) Terragia Biofuel provides the technology to drive the next generation of biofuels. United States $6.0M - [**Singularity Energy**](https://millionrounds.com/company/singularity-energy) Singularity Energy is a Boston-area technology company focused on data and software solutions for grid decarbonization in the energy sector. United States $4.5M ### Series A 4 startups · $94M raised - [**Voya Energy**](https://millionrounds.com/company/voya-energy) Our abundant electric future demands a radical new energy delivery system - untethered from the grid and powered by a superior new United States $48M - [**ChargerHelp!**](https://millionrounds.com/company/chargerhelp) ChargerHelp! United States $18M - [**HeatTransformers**](https://millionrounds.com/company/heattransformers) HeatTransformers is a Netherlands-based technology company founded in 2018, focused on hybrid and all-electric heat pump solutions. Netherlands $16M - [**Bedrock Energy**](https://millionrounds.com/company/bedrock-energy) Bedrock Energy is a clean-tech company based in Austin, Texas, founded in 2022. United States $12M ### Series C and later 2 startups · $283M raised - [**Arcadia**](https://millionrounds.com/company/arcadia) United States $245M - [**Oxford Flow**](https://millionrounds.com/company/oxford-flow) Oxford Flow is a British valve manufacturer and technology innovator, established in 2015 as a spin-out from the University of Oxford. United Kingdom $38M ### Series B 2 startups · $117M raised - [**Aeroseal**](https://millionrounds.com/company/aeroseal) Aeroseal is a climate technology company based in Miamisburg, Ohio, with operations in 27 countries and all 50 U.S. United States $87M - [**Ceibo**](https://millionrounds.com/company/ceibo) Ceibo is a Chilean mining technology company based in Santiago, specializing in advanced chemical leaching technologies for copper Chile $30M **How this map is made.** Every startup here works in Cleantech and has raised money in a round we track that names Energy Impact Partners as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Energy Impact Partners' AI portfolio** 13 startups · $1.1B](https://millionrounds.com/portfolio-maps/energy-impact-partners-ai-portfolio)[Portfolio map **Energy Impact Partners portfolio map** 62 startups · $8.4B](https://millionrounds.com/portfolio-maps/energy-impact-partners-portfolio-map)[Co-investors **Who invests with Energy Impact Partners** 41 co-investors](https://millionrounds.com/portfolio-maps/energy-impact-partners-co-investors)[Sector portfolio **Techstars' AI portfolio** 336 startups · $4.9B](https://millionrounds.com/portfolio-maps/techstars-ai-portfolio)[Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio) ## Raising from investors like Energy Impact Partners? 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