Best Energy Companies in New York City, United States
The 153 best Energy companies in New York City, 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 City
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | 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 | — | — |
| 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 | — | — | — |
| 4 | MN8 Energy Provider of solar energy services | $325M | 26 mo ago | 280 | 2022 | — | — | 1 expansion · 1 award |
| 5 | 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 | — | — |
| 6 | Sunlight Financial Residential solar finance | $260M | 96 mo ago | 195 195 → 169 (-13%) | 1988 | — | — | 1 partnership |
| 7 | Arc Logistics Partners Storage terminal for petroleum products | $205M | 133 mo ago | 111 | 2013 | — | — | — |
| 8 | Greenbacker Sustainable infrastructure investment and management firm focused on renewable energy sector | $150M | 42 mo ago | 196 | 2011 | David Zackowitz Managing Director | — | 3 job openings |
| 9 | GameChange Solar Designer & manufacturer of fixed tilt and tracker solar racking systems | $150M | 54 mo ago | 139 | 2012 | Andrew Worden Founder & CEO | 58 patents Photovoltaic module mounting hardware and self‑shielding tracking systems | 4 job openings |
| 10 | 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 | — | — | — |
| 11 | UGE Offers solar and wind systems | $120M | 29 mo ago | 64 | 2008 | — | — | — |
| 12 | 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 | — | — | — |
| 13 | Terra-Gen Independent renewable energy power producer | $55M | 27 mo ago | 312 312 → 302 (-3%) | 2007 | — | — | 1 partnership |
| 14 | FTL Solar Solar Fabrics and textiles | $53M | 187 mo ago | — | 1998 | Robert Lerner Co-Founder | — | — |
| 15 | 3Power Energy Group Solar, wind and hydro IPP | $50M | 183 mo ago | 6 | 2002 | Toby Durrant CEO | — | — |
| 16 | International Seaways Crude oil and petroleum products transportation company | $49M | 8 mo ago | 2,698 | 2016 | Lois Zabrocky President & CEO | — | — |
| 17 | SOLUNA Developer of solar and wind energy projects | $35M | 42 mo ago | 32 | 2018 | — | 11 patents Integrated modular data center infrastructure with advanced thermal and energy optimization | — |
| 18 | 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 | — |
| 19 | Petro River Oil Oil and gas exploration and production company | $29M | 88 mo ago | 4 | 2000 | Stephen Brunner CEO | — | — |
| 20 | Byco Production, marketing, and sale of petroleum products | $25M | 175 mo ago | 895 | 1995 | — | — | — |
| 21 | 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 | — | — |
| 22 | 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 | — | 1 job opening |
| 23 | Level Solar Offers solar installation services at zero upfront cost | $13M | 118 mo ago | 51 | 2013 | — | — | — |
| 24 | Everstar AI Developer of artificial intelligence to accelerate nuclear power deployment | $8M | 16 mo ago | — | 2024 | Kevin Kong Founder & CEO | — | — |
| 25 | TechnoSpin Everywhere The Wind Blows | $8M | 217 mo ago | — | 2004 | Maxim Rakov CEO | — | — |
| 26 | 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 | 3 patents Patents concentrated in mechanical & energy engineering | 1 job opening |
| 27 | 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 | — |
| 28 | Standard Carbon Home | Standard Carbon | $6M | 14 mo ago | 21 | 2020 | — | — | — |
| 29 | Urban Green Energy Distributed solar and wind energy producers | $6M | 146 mo ago | 29 | 2008 | Nick Blitterswyk Founder & CEO | — | — |
| 30 | ContourGlobal Global independent power producer driving sustainable energy solutions and reliable partnerships | $6M | 69 mo ago | 108 | 2005 | Joseph Brandt Co-Founder & CEO | — | 1 internship · 1 expansion |
| 31 | ZeroPoint Clean Tech Gasification technology to convert biomass to biogas | $3M | 224 mo ago | 27 | 2005 | John Gaus Founder | — | — |
| 32 | Ephesus Lighting Innovative lighting and controls solutions for enhanced spaces and improved efficiency | $3M | 140 mo ago | 30 | 2012 | Joe Casper Founder & CTO | 53 patents High‑power LED lighting modules with tunable beam shaping and color temperature control | 1 launch |
| 33 | DPO Developer of solar and wind energy projects | $3M | 52 mo ago | 8 | 2020 | Andrew Webber Founder | — | — |
| 34 | Urban Electric Power Safe, reliable zinc-based battery energy storage systems for diverse applications | $3M | 11 mo ago | 42 | 2013 | — | — | — |
| 35 | Safari Energy Commercial turnkey solar solutions provider | $2M | 179 mo ago | 90 | 2008 | — | — | — |
| 36 | Sistine Solar Manufactures colored panels | $2M | 59 mo ago | 7 | 2012 | — | — | — |
| 37 | 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 |
| 38 | LERC Manufacturer of low emissions commercial energy storage products | $2M | 128 mo ago | 7 | 2015 | Deron Pearson Co-Founder | — | — |
| 39 | Cortex Fusion Systems Provider of fusion systems | $2M | 24 mo ago | 1 | 2021 | — | — | — |
| 40 | KosherSwitch Private label brand of consumer and commercial electric switching products | $858K | 123 mo ago | — | 2009 | Andyex- Kalati Founder & CEO | — | — |
| 41 | Mpowerd BioLite: Outdoor gear, power solutions, and lighting for adventures | $700K | 73 mo ago | 30 | 2012 | John Salzinger Founder | 66 patents Portable modular solar-powered lighting and rechargeable illumination devices | — |
| 42 | PetaWatt Supplier of electricity | $575K | 77 mo ago | — | 2018 | Markus Schneider Co-Founder | — | — |
| 43 | SunLight General Capital Developer and operator of solar energy projects | $400K | 103 mo ago | 16 16 → 24 (+50%) | 2009 | — | — | — |
| 44 | Terra Energy & Resource Technologies Exploration services for oil and gas and mining comanies | $215K | 196 mo ago | 19 | 2005 | Dmitry Vilbaum CEO | — | — |
| 45 | Solaire Generation Solar energy solutions: efficient, honest, reliable electrical services and solar installations | $210K | 193 mo ago | 23 | 2009 | — | 10 patents Photovoltaic power generation modules and integrated display/control systems for solar energy. | — |
| 46 | GreenCloud Developer of geo-thermal power plants | $100K | 158 mo ago | 11 | 2010 | — | — | — |
| 47 | Flower Turbines Flower Turbines: Innovative small wind turbines for distributed energy generation | $66K | 13 mo ago | 15 | 2013 | Daniel Farb Founder & CEO | 47 patents Advanced fluid turbine generators, shaftless designs, and smart power electronics for renewable energy. | — |
| 48 | Catalyst Power Supplier of gas and electricity | — | 12 mo ago | 21 21 → 33 (+57%) | 2007 | Gabriel Phillips CEO | — | 1 job opening · 1 internship |
| 49 | Con Edison Energy company | — | 14 mo ago | 260 | 1884 | — | — | — |
Top 12 Energy companies in New York City
#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 · New York City, New York · founded 2019 · 32 employees$800Mraised▾
Provider of platform for investors
- Sep 2025Conventional Debt$800M
#3
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
#4
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—
#5
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
#6
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
#7
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
#8
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
#9
Series D · New York City, New York · founded 2022 · 280 employees$325Mraised▾
Provider of solar energy services
- Apr 2024Series D$325M
#10
Series A · New York City, New York · founded 2020 · 21 employees$6.4Mraised▾
Standard Carbon technology provides a sustainable solution to climate change by converting CO2 emissions to energy that can be stored and deployed economically anywhere worldwide using the current utility infrastructure. Turn carbon pollution into clean, profitable energy. Standardcarbon is the key to a trillion dollar clean energy economy of the future.
- Apr 2025Series A$6.4M
#11
Seed · New York City, New York · founded 2024$8Mraised▾
Developer of artificial intelligence to accelerate nuclear power deployment. The company focuses on solving nuclear challenges, modernizing licensing, and advancing nuclear competitiveness. It offers AI-native workflows built by nuclear and AI experts. The company aims to enhance safety and streamline the nuclear value chain.
- Feb 2025Seed$4M
- Nov 2024Seed$4M
#12
Acquired · New York City, New York · founded 2014$3.7Braised▾
Leading renewable energy provider with wind, solar, and storage assets across North America. The company focuses on providing innovative renewable energy solutions, managing a diverse portfolio of renewable energy facilities. They are a significant producer of renewable energy certificates, helping entities meet their renewable energy goals and reduce their carbon footprint. The company operates utility-scale wind and solar facilities, as well as distributed generation solar assets. They are also developing battery energy storage systems to ensure grid reliability and flexibility. The company is committed to powering the renewable energy transition through operational excellence and business growth opportunities. They offer wholesale and retail solutions, and are involved in renewable development projects. The company is dedicated to community commitment and environmental, social, and governance (ESG) principles.
- Oct 2019Conventional Debt$700M
- Jun 2018Post IPO$650M
- Feb 2018Conventional Debt$400M
- Jun 2015PE$335M
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