# Energy investors in United States (2026 list) > 798 energy investors in United States, 92% active in the last 12 months. Led by Y Combinator, Techstars, Sequoia Capital. Ranked by what they funded. Source: https://millionrounds.com/lists/energy-investors-in-united-states (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Energy investors in United States Updated 7 November 2026 Firms observed backing an energy company in United States in the last two years, wherever the firm is based. [See all 798 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fenergy-investors-in-united-states)The top 25 **798** investors on the list *+20* this week **12,715** cheques in 12 months *-7%* against the market **$25M** median round they joined *+206%* against the market median **92%** wrote a cheque in 12 months **50%** have led a round ## The Top 25 Ordered by cheques observed, never by anything anyone paid for Deploying now (25) - 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen - 2 [Techstars](https://millionrounds.com/fund/techstars) *Deploying now* VC firm · United States **2,989** **$1.2M** median round **Nov 2026** last seen - 3 [Sequoia Capital](https://millionrounds.com/fund/sequoia-capital) *Deploying now* VC firm · United States **2,099** **$35M** median round **Nov 2026** last seen - 4 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) *Deploying now* Government · United States **1,869** **$926K** median round **Sept 2026** last seen - 5 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) *Deploying now* VC firm · United States **1,661** **$27M** median round **Nov 2026** last seen - 6 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) *Deploying now* VC firm · United States **1,610** **$34M** median round **Oct 2026** last seen - 7 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen - 8 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen - 9 [SV Angel](https://millionrounds.com/fund/sv-angel) *Deploying now* VC firm · United States **1,349** **$18M** median round **Oct 2026** last seen - 10 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen - 11 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen - 12 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) *Deploying now* VC firm · United States **1,128** **$26M** median round **Nov 2026** last seen - 13 [Intel Capital](https://millionrounds.com/fund/intel-capital) *Deploying now* Corporate VC · United States **1,123** **$22M** median round **Oct 2026** last seen - 14 [Founders Fund](https://millionrounds.com/fund/founders-fund) *Deploying now* VC firm · United States **1,122** **$15M** median round **Oct 2026** last seen - 15 [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) *Deploying now* VC firm · United States **1,038** **$30M** median round **Nov 2026** last seen - 16 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen - 17 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen - 18 [MassChallenge](https://millionrounds.com/fund/masschallenge) *Deploying now* Accelerator · United States **984** **$1.8M** median round **Sept 2026** last seen - 19 [SOSV](https://millionrounds.com/fund/sosv) *Deploying now* VC firm · United States **951** **$2.5M** median round **Nov 2026** last seen - 20 [Google Ventures](https://millionrounds.com/fund/gv) *Deploying now* Corporate VC · United States **884** **$38M** median round **Oct 2026** last seen - 21 [FJ Labs](https://millionrounds.com/fund/fj-labs) *Deploying now* VC firm · United States **849** **$11M** median round **Oct 2026** last seen - 22 [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) *Deploying now* VC firm · United States **834** **$875K** median round **Sept 2026** last seen - 23 [Google for Startups](https://millionrounds.com/fund/google-for-startups) *Deploying now* Accelerator · United States **811** **$1.4M** median round **Sept 2026** last seen - 24 [BoxGroup](https://millionrounds.com/fund/boxgroup) *Deploying now* VC firm · United States **773** **$18M** median round **Nov 2026** last seen - 25 [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) *Deploying now* VC firm · United States **773** **$47M** median round **Nov 2026** last seen **773 more on this list** All 798 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000. [See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fenergy-investors-in-united-states) ## The Newest Cheques Rounds this list's investors joined most recently - **7** Nov **[Arka Fincap](https://millionrounds.com/company/arka-fincap)** Other *Led by* [TPG](https://millionrounds.com/fund/tpg) - **7** Nov **[LionBio Therapeutics](https://millionrounds.com/company/lionbio-therapeutics)** Pre-seed · $6M *With* [South Park Commons](https://millionrounds.com/fund/south-park-commons) - **6** Nov **[URobotics](https://millionrounds.com/company/urobotics)** Series A · $30M *With* [Seoul Investment Partners](https://millionrounds.com/fund/seoul-investment-partners) - **6** Nov **[Fathom Therapeutics](https://millionrounds.com/company/fathom-therapeutics)** Round *With* [Sutter Hill Ventures](https://millionrounds.com/fund/sutter-hill-ventures) - **6** Nov **[Humble Robotics](https://millionrounds.com/company/humble-robotics)** Series A · $51M *Led by* [Obvious Ventures](https://millionrounds.com/fund/obvious-ventures) - **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [Greycroft](https://millionrounds.com/fund/greycroft) ## Stages This Year 6,440 rounds - Venture **21%** - Seed **18%** - Series A **15%** - Series B **8%** - Pre-seed **7%** - Other **30%** ## What They Backed Sectors, last 12 months - AI **2,413** - Biotech **440** - Energy **371** - Healthcare **370** - Fintech **357** - Big Data & Analytics **339** ## Cheques by Quarter Led Joined 3,386 Q1 25 3,459 Q2 25 3,892 Q3 25 4,148 Q4 25 3,970 Q1 26 3,491 Q2 26 2,805 Q3 26 840 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI investors in United States 3,683](https://millionrounds.com/lists/ai-investors-in-united-states) - [Fintech investors in United States 1,166](https://millionrounds.com/lists/fintech-investors-in-united-states) - [AI investors in United Kingdom 1,039](https://millionrounds.com/lists/ai-investors-in-united-kingdom) - [Big Data & Analytics investors in United States 1,039](https://millionrounds.com/lists/big-data-investors-in-united-states) - [Biotech investors in United States 914](https://millionrounds.com/lists/biotech-investors-in-united-states) - [Robotics investors in United States 797](https://millionrounds.com/lists/robotics-investors-in-united-states) - [Construction investors in United States 742](https://millionrounds.com/lists/construction-investors-in-united-states) - [Cybersecurity investors in United States 702](https://millionrounds.com/lists/cybersecurity-investors-in-united-states) - [Hardware & Electronics investors in United States 663](https://millionrounds.com/lists/hardware-investors-in-united-states) [All investor lists *→*](https://millionrounds.com/lists) ## Reading for founders in climate and energy - Taming the Sun: Innovations to Harness Solar Energy and Power the Planet Varun Sivaram · 2018 4.06 from 510 ratings on Goodreads Climate and energy Innovation About the book How solar could spark a clean-energy transition through transformative innovation--creative financing, revolutionary technologies, and flexible energy systems. Solar energy, once a niche application for a limited market, has become the cheapest and fastest-growing power… On AmazonListen on Audible - Race for Tomorrow: Survival, Innovation and Profit on the Front Lines of the Climate Crisis Simon Mundy · 2022 4.22 from 207 ratings on Goodreads Climate and energy Innovation Company building About the book In this extraordinary journey through twenty-six countries, Simon Mundy meets the people on the front lines of the climate crisis, showing how the struggle to respond is already reshaping the modern world – shattering communities, shaking up global business, and propelling a… On AmazonListen on Audible - The Elements of Power: Gadgets, Guns, and the Struggle for a Sustainable Future in the Rare Metal Age David S. Abraham · 2015 4.06 from 264 ratings on Goodreads Climate and energy Company building About the book Our future hinges on a set of rare metals that few of us have even heard of. In this eye-opening book, a natural resource strategist reveals the critical importance of these transformative elements to our technological lifestyle and the consequences of our reliance upon them,… On AmazonListen on Audible - Scale: The Universal Laws of Growth, Innovation, Sustainability, and the Pace of Life in Organisms, Cities, Economies, and Companies Geoffrey B. West · 2017 4.11 from 5,764 ratings on Goodreads Climate and energy Company building Innovation About the book The former head of the Sante Fe Institute, visionary physicist Geoffrey West is a pioneer in the field of complexity science, the science of emergent systems and networks. The term “complexity” can be misleading, however, because what makes West’s discoveries so beautiful is… On AmazonListen on Audible More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=climate). As an Amazon Associate we earn from qualifying purchases. ## Quick answers about energy investors in United States ### Who are the most active energy investors in United States? By cheques observed, the most active are Y Combinator, Techstars, Sequoia Capital, National Science Foundation and Andreessen Horowitz. ### How many energy investors in United States are there? 798 are on record. 92% made an investment in the last 12 months and 50% have led a round. ### Which stages do energy investors in United States back? Of the rounds with a named stage in the last 12 months, mostly Seed (26%) and Series A (22%). ### How big are the rounds energy investors in United States join? The typical (median) round among the leading investors here is $18M. ### Which sectors do energy investors in United States back most? In the last 12 months, mostly AI, Biotech and Energy. ### Which energy investors in United States lead the most rounds? Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led). ### Where are energy investors in United States based? Most of the leading investors here are based in the United States (24 of the top 25); the rest in the United Kingdom. ### What have energy investors in United States invested in recently? Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), LionBio Therapeutics (Pre-seed, Nov 2026, with South Park Commons) and URobotics (Series A, Nov 2026, with Seoul Investment Partners). Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)