Best Energy Companies in New York, United States
The 469 best Energy companies in New York, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: TerraForm Power.
Our analysis of 171 Energy companies
$71.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in New York
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | TerraForm Power Leading renewable energy provider with wind, solar, and storage assets | $3.7B | 80 mo ago | — | 2014 | John Stinebaugh CEO | — | — | — |
| 2 | Guernsey Power Station Natural gas production and development company | $1.6B | 80 mo ago | — | 2016 | James Bishop Chairman & CEO | WordPressMySQLPHP+13 | — | — |
| 3 | Madison Energy Investments Provider of platform for investors 45Funding top 17%Tech top 46%Global bottom 38%Market bottom 33% All 5 signals ▾Fundingtop 17% Techtop 46% Globalbottom 38% Marketbottom 33% Newsbottom 22% Funding: Raised $800M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Tech: 21 technologies across 5/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 45/100 | $800M | 9 mo ago | 32 | 2019 | — | WebflowSalesforceLeaflet+18 | — | — |
| 4 | DSD Provider of solar panel installation and operation & maintenance services 69Funding top 16%Market top 45%Talent bottom 49%Global bottom 45% All 6 signals ▾Fundingtop 16% Markettop 45% Talentbottom 49% Globalbottom 45% Moatbottom 38% Newsbottom 22% Funding: Raised $605M across 8 rounds · 8 rounds over 5 yrs (1.6/yr) Market: 192 employees (top 31% of Energy) rank vs industry peers · Fliar Intelligence Index 69/100 | $605M | 9 mo ago | 192 | 2012 | Erik Schiemann CEO | — | — | — |
| 5 | nine.energy Developer of community-scale battery energy storage systems for electric grid 32Funding top 22%Moat top 48%Tech bottom 48%Global bottom 37% All 6 signals ▾Fundingtop 22% Moattop 48% Techbottom 48% Globalbottom 37% Marketbottom 35% Newsbottom 24% Funding: Raised $325M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) Moat: Editorial + unicorn rating 4/10 · 10 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 32/100 | $325M | 8 mo ago | 35 | 2020 | — | WordPressMySQLPHP+20 | — | — |
| 6 | MN8 Energy Provider of solar energy services | $325M | 26 mo ago | 280 | 2022 | — | — | — | 1 expansion · 1 award |
| 7 | Kilowatt Financial Offers solar finance to homeowners | $300M | 133 mo ago | 51 | 2011 | — | — | — | — |
| 8 | PosiGen Provider of solar panel energy solution for enterprises 64Innovation top 20%Funding top 22%Product top 29%News top 30% All 10 signals ▾Innovationtop 20% Fundingtop 22% Producttop 29% Newstop 30% Techtop 35% Moattop 39% Markettop 44% Talentbottom 49% Globalbottom 43% Growthbottom 35% Innovation: 9 product lines Funding: Raised $280M across 13 rounds · 13 rounds over 12 yrs (1.1/yr) rank vs industry peers · Fliar Intelligence Index 64/100 | $280M | 25 mo ago | 600 | 2011 | Thomas Neyhart Founder & Executive Chairman | HubSpot CMS HubApple iCloud MailGoogle Workspace+30 | — | — |
| 9 | Sunlight Financial Residential solar finance | $260M | 96 mo ago | 195 195 → 169 (-13%) | 1988 | — | WordPressApple iCloud MailMySQL+29 | — | 1 partnership |
| 10 | United Wind Clean, reliable wind and solar energy solutions for a sustainable future | $209M | 103 mo ago | 21 | 2013 | — | — | — | — |
| 11 | Arc Logistics Partners Storage terminal for petroleum products | $205M | 133 mo ago | 111 | 2013 | — | — | — | — |
| 12 | Greenbacker Sustainable infrastructure investment and management firm focused on renewable energy sector | $150M | 42 mo ago | 196 | 2011 | David Zackowitz Managing Director | WordPressApple iCloud MailMicrosoft 365+27 | — | 3 job openings |
| 13 | GameChange Solar Designer & manufacturer of fixed tilt and tracker solar racking systems | $150M | 54 mo ago | 139 | 2012 | Andrew Worden Founder & CEO | Wix eCommerceWixSentry+14 | 58 patents Photovoltaic module mounting hardware and self‑shielding tracking systems | 4 job openings |
| 14 | Onyx Renewable Partners Renewable Energy development company 48Funding top 26%Growth top 43%Moat top 48%Market top 49% All 7 signals ▾Fundingtop 26% Growthtop 43% Moattop 48% Markettop 49% Techbottom 40% Globalbottom 32% Newsbottom 21% Funding: Raised $132M across 3 rounds · 3 rounds over 12 yrs (0.2/yr) Growth: Headcount 54 → 69 (+28%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $132M | 11 mo ago | 69 69 → 75 (+9%) | 2014 | — | — | — | — |
| 15 | UGE Offers solar and wind systems | $120M | 29 mo ago | 64 | 2008 | — | WordPress Block EditorElementorWordPress+28 | — | — |
| 16 | HOP Energy Energy services provider for design and installation of HVAC systems | $120M | 41 mo ago | 503 | 2009 | Michael Anton Co-CEO & President | WordPressMySQLPHP+16 | — | — |
| 17 | CrossBoundary Energy Provider of fully financed renewable energy solutions for commercial and industrial clients 48Growth top 25%News top 31%Funding top 37%Tech top 41% All 6 signals ▾Growthtop 25% Newstop 31% Fundingtop 37% Techtop 41% Globalbottom 37% Marketbottom 30% Growth: Fresh capital in last 24 mo News: 5 BI events in 12 mo (of 25 tracked, 4 types) · +150% YoY rank vs industry peers · Fliar Intelligence Index 48/100 | $83M | 1 mo ago | 21 | 2014 | — | WordPressMySQLPHP+24 | — | — |
| 18 | Terra-Gen Independent renewable energy power producer | $55M | 26 mo ago | 312 312 → 302 (-3%) | 2007 | — | WordPressMySQLPHP+24 | — | 1 partnership |
| 19 | FTL Solar Solar Fabrics and textiles | $53M | 186 mo ago | — | 1998 | Robert Lerner Co-Founder | — | — | — |
| 20 | 3Power Energy Group Solar, wind and hydro IPP | $50M | 183 mo ago | 6 | 2002 | Toby Durrant CEO | — | — | — |
| 21 | International Seaways Crude oil and petroleum products transportation company | $49M | 8 mo ago | 2,698 | 2016 | Lois Zabrocky President & CEO | BugHerdQ4MediaElement.js+14 | — | — |
| 22 | OwnEnergy Promoting environmental awareness through conservation, biodiversity, and renewable resources | $39M | 165 mo ago | 20 | 2007 | — | — | — | — |
| 23 | SOLUNA Developer of solar and wind energy projects | $35M | 41 mo ago | 32 | 2018 | — | WordPressMySQLPHP+30 | 11 patents Integrated modular data center infrastructure with advanced thermal and energy optimization | — |
| 24 | Liquid Light Industrial chemicals based on CO2 feedstock | $33M | 129 mo ago | 17 | 2009 | — | — | 211 patents Electrochemical CO₂ conversion to oxalic and other carboxylic acids via specialized electrodes | — |
| 25 | Petro River Oil Oil and gas exploration and production company | $29M | 88 mo ago | 4 | 2000 | Stephen Brunner CEO | — | — | — |
| 26 | Byco Production, marketing, and sale of petroleum products | $25M | 174 mo ago | 895 | 1995 | — | — | — | — |
| 27 | Common Energy Clean energy solutions for businesses, non-profits, and consumers | $16M | 31 mo ago | 33 33 → 77 (+133%) | 2017 | Christian Von Hassell CEO & Director | WebflowSentrySalesforce+25 | — | — |
| 28 | Prism Solar Innovating bifacial solar technology for maximum energy, quality, and aesthetic appeal | $16M | 175 mo ago | 30 | 2004 | Randy Stewart CEO | — | 23 patents Patents concentrated in electrical & electronics | — |
| 29 | US Light Energy Developer of solar energy projects | $16M | 33 mo ago | 18 | 2011 | Mark Richardson CEO | WordPressMySQLPHP+29 | — | — |
| 30 | APX Energy Provider of gospel music programming and community engagement services | $15M | 125 mo ago | 3 | 2011 | — | — | — | — |
| 31 | LIS Technologies Provider of laser isotope separation technologies optimized for uranium (HALEU) power generation 32Talent top 28%Funding top 38%Growth top 40%News bottom 47% All 8 signals ▾Talenttop 28% Fundingtop 38% Growthtop 40% Newsbottom 47% Techbottom 42% Moatbottom 38% Globalbottom 29% Marketbottom 22% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $13.5M across 7 rounds · 7 rounds over 3 yrs (2.3/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $14M | 3 mo ago | — | 2023 | Jay Yu Co-Founder | WordPressMySQLPHP+16 | — | 1 job opening |
| 32 | Level Solar Offers solar installation services at zero upfront cost | $13M | 118 mo ago | 51 | 2013 | — | — | — | — |
| 33 | Proterro Biotechnology company converting waste CO2 into valuable products for diverse industries | $8M | 162 mo ago | — | 2008 | John Aikens Founder & CTO | — | 45 patents Engineered photosynthetic microbes and photobioreactor cultivation systems for biotech production | — |
| 34 | Nano Nuclear Manufacturer of nuclear reactors | $8M | 8 mo ago | 5 | 2021 | Jay Yu Founder | WordPressApple iCloud MailMySQL+26 | — | — |
| 35 | Everstar AI Developer of artificial intelligence to accelerate nuclear power deployment | $8M | 15 mo ago | — | 2024 | Kevin Kong Founder & CEO | Node.jsRadix UITailwind CSS+16 | — | — |
| 36 | Qnetic Qnetic is a start-up that develops low-cost, grid-scale energy storage technology to enable clean and… | $7M | 3 mo ago | — | 2021 | Loic Bastard Co-Founder | Webflow EcommerceCart FunctionalityWebflow+19 | 3 patents Patents concentrated in mechanical & energy engineering | 1 job opening |
| 37 | SUNation Offers commercial and residential solar solutions 29Funding top 34%Market bottom 48%Tech bottom 45%News bottom 39% All 6 signals ▾Fundingtop 34% Marketbottom 48% Techbottom 45% Newsbottom 39% Growthbottom 34% Globalbottom 30% Funding: Raised $6.7M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Market: 106 employees (top 33% of Environment) · Top-5,000,000 web property rank vs industry peers · Fliar Intelligence Index 29/100 | $7M | 2 mo ago | 106 106 → 98 (-8%) | 2003 | — | WordPressMySQLPHP+15 | — | — |
| 38 | Enernet Global Developer of wind energy projects | $7M | 63 mo ago | 23 | 2015 | — | — | 2 patents Microgrid predictive control systems and functional-programming-based data buffer management software | — |
| 39 | Standard Carbon Home | Standard Carbon | $6M | 14 mo ago | 21 | 2020 | — | Webflow EcommerceCart FunctionalityWebflow+21 | — | — |
| 40 | ContourGlobal Global independent power producer driving sustainable energy solutions and reliable partnerships | $6M | 69 mo ago | 108 | 2005 | Joseph Brandt Co-Founder & CEO | WordPressMySQLPHP+24 | — | 1 internship · 1 expansion |
| 41 | Corning Natural Gas Natural gas distribution company | $4M | 74 mo ago | 65 | 1904 | Mike German president and ceo | WordPressMySQLPHP+17 | — | — |
| 42 | SunMaxx Solar Manufacturer and supplier of solar powered thermal products | $4M | 40 mo ago | 19 | 2006 | — | Cart FunctionalityWooCommerceWordPress+25 | — | — |
| 43 | Columbus Photovoltaics Solar energy research company developing ultra-thin add-on layer for solar cells | $3M | 65 mo ago | 2 | 2011 | Corey Lerner Founder & President | — | 18 patents Direct semiconductor photovoltaic devices and thin‑film solar cell technologies | — |
| 44 | DPO Developer of solar and wind energy projects | $3M | 52 mo ago | 8 | 2020 | Andrew Webber Founder | — | — | — |
| 45 | Urban Electric Power Safe, reliable zinc-based battery energy storage systems for diverse applications | $3M | 11 mo ago | 42 | 2013 | — | WordPress Block EditorDiviWordPress+27 | — | — |
| 46 | Sistine Solar Manufactures colored panels | $2M | 59 mo ago | 7 | 2012 | — | WordPress Block EditorWordPressMySQL+23 | — | — |
| 47 | EXODYS ENERGY Developer of closed-loop and circular nuclear systems to recycle nuclear waste into clean energy | $2M | 24 mo ago | — | 2022 | Carl Perez CEO | — | — | 1 partnership |
| 48 | Cortex Fusion Systems Provider of fusion systems | $2M | 24 mo ago | 1 | 2021 | — | — | — | — |
| 49 | Atrevida Science Developer of active morphing wind turbine blades for increased efficiency. | $512K | 17 mo ago | 7 | 2019 | — | — | — | — |
| 50 | Flower Turbines Flower Turbines: Innovative small wind turbines for distributed energy generation | $66K | 13 mo ago | 15 | 2013 | Daniel Farb Founder & CEO | Wix eCommerceCart FunctionalityWix+17 | 47 patents Advanced fluid turbine generators, shaftless designs, and smart power electronics for renewable energy. | — |
Top 12 Energy companies in New York
#1
Series B · New York City, New York · founded 2014 · 21 employees$83Mraised▾
Provider of fully financed renewable energy solutions for commercial and industrial clients. They offer customized clean energy options, including long-term energy strategies. The company delivers renewable power through specialized expertise, ensuring compliance with regulatory requirements and environmental standards. They provide comprehensive packages inclusive of technologies and suppliers optimal for each business.
- Apr 2026PE$40M
- Aug 2025Series B$40M
- Jul 2019Conventional Debt$3M
#2
Acquired · Schenectady, New York · founded 2012 · 192 employees$605Mraised▾
Provider of solar panel installation and operation & maintenance services
- Aug 2025Conventional Debt$238M
- Nov 2023Series E$250M
- Dec 2022Conventional Debt$155M
- May 2022Series D$70M
#3
Acquired · New York City, New York · founded 2019 · 32 employees$800Mraised▾
Provider of platform for investors
- Sep 2025Conventional Debt$800M
#4
Late Stage · New York · founded 2020 · 35 employees$325Mraised▾
Developer of community-scale battery energy storage systems for electric grid. They assemble teams, technology, and partners to complete projects. The organization combines experience with expertise in its field. It delivers projects and provides news updates.
- Oct 2025Conventional Debt$175M
- Jul 2024Conventional Debt$25M
- Jan 2024PE$225M
- Jul 2023Conventional Debt$25M
#5
Series A · New York City, New York · founded 2023$13.5Mraised▾
Provider of laser isotope separation technologies optimized for uranium (HALEU) power generation. It developed a patented laser technology that uses infrared wavelengths to selectively excite molecules.
- Mar 2026Series A$7.1M
- Jan 2026Series A$17M
- May 2025Series A$12M
- Dec 2024Series A$22M
#6
Acquired · Ronkonkoma, New York · founded 2003 · 106 employees$6.7Mraised▾
Offers commercial and residential solar solutions
- Apr 2026Seed$1.2M
- Apr 2025Conventional Debt$5.5M
#7
Late Stage · New York City, New York · founded 2014 · 69 employees$132Mraised▾
Onyx is a renewable energy development company that is focused on greenfield development in the North American solar and wind sectors. The company is a full-service firm with capabilities including development and construction through financing and operations, Onyx is able to provide solutions to large energy users and landowners in North America.
- Jun 2025Conventional Debt$260M
- May 2018PE$79M
- 2017PE$53M
- Oct 2014PE—
#8
Public · New York City, New York · founded 2016 · 2698 employees$48.8Mraised▾
Crude oil and petroleum products transportation company
- Sep 2025Conventional Debt$23.8M
- May 2018Conventional Debt$25M
#9
Series A · New York City, New York · founded 2021$7.1Mraised▾
Qnetic is a start-up that has developed a revolutionary flywheel energy storage system (FESS) with the largest energy capacity in the world. Their low-cost, grid-scale energy storage technology enables the transition to clean and sustainable energy sources.
- Mar 2026Series A$5M
- 2025Seed$2.1M
#10
Public · New York, New York · founded 2021 · 5 employees$8.3Mraised▾
Manufacturer of nuclear reactors
- Oct 2025Post IPO$400M
- May 2025Post IPO$105M
- Jan 2025Post IPO$718K
- Jan 2024Series A$2.2M
#11
Series E · New York City, New York · founded 2011 · 600 employees$280.2Mraised▾
Provider of solar panel energy solution for enterprises
- May 2024Venture Debt$150M
- Aug 2023Conventional Debt$12M
- Jan 2022Series E$100M
- Apr 2021Series D$27M
#12
Series A · New York City, New York · founded 2013 · 42 employees$2.6Mraised▾
Safe, reliable zinc-based battery energy storage systems for diverse applications. They deliver modular, zinc-based battery energy storage systems designed for real-world operations. Their solutions are trusted by universities, critical facilities, and commercial operations nationwide, engineered for fast installs, easy permitting, and lasting performance. They offer integrated energy storage systems complete with power conversion, controllers, and thermal management. Their commercial cabinet is a versatile system for seamless integration of zinc battery technology in indoor commercial and industrial settings, enhancing energy reliability and reducing operational costs. The pod system is an innovative outdoor solution for advanced zinc battery technology, ensuring safety and longevity while providing efficient power storage for grid and commercial applications. They also provide battery management systems, a smart, integrated platform that ensures safe, efficient, and reliable operation of every battery unit. Their technology uses safe, non-toxic, recyclable materials without lead, heavy metals, or flammable electrolytes, and offers substantial cost benefits because of the extended
- Jul 2025Grant (prize money)$6.5M
- May 2025Grant (prize money)$6.5M
- Aug 2023Grant (prize money)$700K
- Jun 2018Series A$997.5K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in the United States
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,941 United States-affiliated papers.
- Electric Power Research Institute204
- Pacific Northwest National Laboratory202
- Argonne National Laboratory193
- Northeastern University151
- Massachusetts Institute of Technology124
- Battery (electricity)57→359
- Electrolyte37→318
- Electrochemistry30→240
- Cathode32→224
- Anode37→209
- Renewable energy40→492
- Battery (electricity)59→507
- Power (physics)8→227
- Electrolyte27→244
- Electrochemistry37→240
- Battery (electricity)35→184
- Renewable energy24→156
- Electrolyte13→114
- Electrochemistry10→80
- Cathode9→72
Where energy storage is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in the United States
United States energy storage patent filing is accelerating — 8,522 filings from 3,681 assignees (2016–2025), led by General Electric, ESS Technology, GM Global TECH Operations; annual filings 687→1058.
- General Electric592
- ESS Technology276
- GM Global TECH Operations233
- Fastcap Systems205
- UNIV California180
- Rondo Energy157
- United Technologies154
- Battelle Memorial Institute146