Best Energy Companies in Florida, United States
The 357 best Energy companies in Florida, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: NextEra Energy.
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 Florida
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | NextEra Energy Developer of energy solutions 80Partners top 18%Funding top 20%Fin. health top 20%News top 21% All 11 signals ▾Partnerstop 18% Fundingtop 20% Fin. healthtop 20% Newstop 21% Markettop 23% Moattop 31% Techtop 33% Growthtop 39% Producttop 47% Globalbottom 46% Talentbottom 32% Partners: 2 partnership announcements in 12 mo (2 in 24 mo) · 21 contract events in 12 mo Funding: Raised $2.8B across 3 rounds · 3 rounds over 7 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 80/100 | $2.8B | 16 mo ago | Acquired | 9,500 | 1925 | — | — |
| 2 | BrightNight Developer of utility-scale clean power systems enhanced by artificial intelligence 55Funding top 17%AI top 45%Market top 50%Growth bottom 47% All 7 signals ▾Fundingtop 17% AItop 45% Markettop 50% Growthbottom 47% Techbottom 42% Newsbottom 39% Globalbottom 37% Funding: Raised $940M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) AI: Product described with: artificial intelligence rank vs industry peers · Fliar Intelligence Index 55/100 | $940M | 22 mo ago | Series D | 150 | 2019 | — | — |
| 3 | Enfinity Developer of solar energy projects 69Funding top 24%News top 34%Product top 36%Talent top 38% All 10 signals ▾Fundingtop 24% Newstop 34% Producttop 36% Talenttop 38% Growthtop 40% Markettop 47% Techtop 49% Globalbottom 48% Partnersbottom 42% Moatbottom 38% Funding: Raised $388M across 5 rounds · 5 rounds over 17 yrs (0.3/yr) News: 9 BI events in 12 mo (of 49 tracked, 8 types) · -18% YoY rank vs industry peers · Fliar Intelligence Index 69/100 | $388M | 4 mo ago | Series D | 265 | 2005 | — | 1 award |
| 4 | ArtIn Energy Help sustain a carbon-free world by producing hydrogen using solar energy and water for clean, efficient… 62Growth top 35%Funding top 41%Tech top 47%Talent bottom 49% All 5 signals ▾Growthtop 35% Fundingtop 41% Techtop 47% Talentbottom 49% Globalbottom 33% Growth: Fresh capital in last 24 mo Funding: Raised $255M across 1 rounds · 1 rounds over 2 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $255M | 2 mo ago | Series A | — | 2012 | — | — |
| 5 | Spearmint Energy Provider of energy efficiency trading, supplying, logistics, and other services | $246M | 28 mo ago | Funding Raised | 25 | 2022 | — | — |
| 6 | Origis Energy Utility Scale and commercial solar project developer | $149M | 24 mo ago | Acquired | 20 | 2008 | — | 1 job opening |
| 7 | Terra Energy Provider of solar energy solutions for residential properties, offering a subscription model with no upfront… 76Talent top 23%Growth top 28%Product top 30%Funding top 36% All 7 signals ▾Talenttop 23% Growthtop 28% Producttop 30% Fundingtop 36% Techtop 41% Globalbottom 48% Customersbottom 2% Talent: 5 named leaders on record · 5 C-suite/founder profiles curated Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 76/100 | $140M | 4 mo ago | Series D | — | 2016 | — | — |
| 8 | UPC Renewables Independent Power Producer | $80M | 106 mo ago | Acquired | 63 | 2007 | — | — |
| 9 | NextEra Energy Resources Developer of wind and solar energy power projects 82Fin. health top 17%News top 22%Market top 26%Funding top 32% All 10 signals ▾Fin. healthtop 17% Newstop 22% Markettop 26% Fundingtop 32% Producttop 35% Growthtop 41% Techtop 44% Talentbottom 49% Globalbottom 37% Partnersbottom 35% Fin. health: Revenue ~$4.1B (FY2026) · Net margin 35.8% News: 8 BI events in 12 mo (of 96 tracked, 9 types) · +100% YoY rank vs industry peers · Fliar Intelligence Index 82/100 | $49M | 12 mo ago | Public | 9,500 | 1925 | — | — |
| 10 | Glow Platform connecting individuals and corporations to solar projects for carbon emission reduction | $30M | 18 mo ago | Series B | — | 2024 | — | — |
| 11 | Apricus Developer of solar energy projects 22Funding top 34%Talent top 38%Patents bottom 42%Moat bottom 42% All 7 signals ▾Fundingtop 34% Talenttop 38% Patentsbottom 42% Moatbottom 42% Globalbottom 37% Newsbottom 21% Innovationbottom 14% Funding: Raised $28.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 22/100 | $28M | 14 mo ago | Series A | — | 2023 | 4 patents Thermal water storage tanks and vapor‑loss prevention valve technologies | — |
| 12 | HOPE Hydration Provider of filtered water refill stations at various public venues | $25M | 11 mo ago | Series A | 10 | — | — | 2 partnerships |
| 13 | Healthe Provider of online baccarat and casino games. It offers a variety of baccarat games from multiple providers… 53Market top 35%Funding top 36%Moat bottom 49%Patents bottom 46% All 6 signals ▾Markettop 35% Fundingtop 36% Moatbottom 49% Patentsbottom 46% Globalbottom 35% Innovationbottom 32% Market: 135 employees (top 19% of Energy Efficiency) Funding: Raised $20.0M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $20M | 69 mo ago | Series B | 135 | 2019 | 17 patents UV-based pathogen sterilization and therapeutic lighting systems for health environments | — |
| 14 | Exowatt Provider of modular full-stack renewable energy solutions for commercial and industrial customers 60Talent top 28%Funding top 30%Growth top 35%Patents top 35% All 10 signals ▾Talenttop 28% Fundingtop 30% Growthtop 35% Patentstop 35% Innovationtop 38% Newstop 48% Moatbottom 49% Techbottom 47% Globalbottom 37% Marketbottom 32% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $20.0M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $20M | 7 mo ago | Series A | — | 2023 | 15 patents Patents concentrated in mechanical & energy engineering | 1 job opening · 1 award |
| 15 | CEIS Provider of energy efficency consulting services | $20M | 34 mo ago | Series B | — | 2022 | — | 8 job openings |
| 16 | NV5 Provider of project management and construction quality assurance solutions for solar energy | $20M | 177 mo ago | Public | 3,644 3,644 → 3,639 (+0%) | 1947 | — | 1 award |
| 17 | GFS Corp Developer of natural gas conversion systems for high horsepower diesel engines 42Innovation top 20%Product top 43%Funding bottom 45%News bottom 45% All 8 signals ▾Innovationtop 20% Producttop 43% Fundingbottom 45% Newsbottom 45% Marketbottom 39% Partnersbottom 35% Techbottom 25% Globalbottom 25% Innovation: 7 product lines Product: 0 product launch events in 12 mo · 7 distinct product lines rank vs industry peers · Fliar Intelligence Index 42/100 | $18M | 128 mo ago | Series A | 24 | 2004 | — | — |
| 18 | UCT Coatings Advanced coatings and plating solutions enhancing metal performance across diverse industries | $17M | 204 mo ago | Series B | 15 | 2000 | — | — |
| 19 | GREEN CREATIVE Manufacture of LED lighting system 42Tech top 44%Growth top 45%Funding top 47%Talent bottom 49% All 6 signals ▾Techtop 44% Growthtop 45% Fundingtop 47% Talentbottom 49% Marketbottom 36% Globalbottom 32% Tech: 35 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 42/100 | $15M | 122 mo ago | Acquired | 22 22 → 20 (-9%) | 2010 | — | 3 launchs · 1 award |
| 20 | Lighting Science Group LED bulbs manufacturer 35Patents top 33%Innovation top 36%Funding top 36%Moat top 41% All 8 signals ▾Patentstop 33% Innovationtop 36% Fundingtop 36% Moattop 41% Fin. healthbottom 45% Globalbottom 42% Marketbottom 28% Newsbottom 27% Patents: 510 patents matched (strict assignee match) · 0 filings since 2022 vs 65 in 2017-21 Innovation: 510 patents (top 4% of patent-holders) · 0 filings since 2022 vs 65 in 2017-21 rank vs industry peers · Fliar Intelligence Index 35/100 | $11M | 129 mo ago | Deadpooled | 2 | 1996 | 510 patents Smart adaptive lighting systems integrating tunable spectra, environmental sensing, and therapeutic functions | — |
| 21 | Palladium Energy Developer of national energy infrastructure projects providing project finance structures | $10M | 31 mo ago | Series A | 119 | 2019 | — | — |
| 22 | Mobile Fueling Solutions Provider of diesel fuel delivery and rent a fuel tank for oil and gas industries | $10M | 202 mo ago | Series A | 33 | 1978 | — | — |
| 23 | Equity Solar Developer of solar energy projects | $9M | 153 mo ago | Series A | — | 2008 | — | — |
| 24 | OnePlanet Solar Recycling Solar panel recycling solution provider, managing retrieval, transport, and material distribution | $7M | 13 mo ago | Seed | — | 2023 | — | — |
| 25 | Holtec International Developer of small modular reactor | $6M | 13 mo ago | Funding Raised | 26 | 1986 | 607 patents Advanced nuclear waste containment and concentrated solar thermal power generation with storage | 1 job opening |
| 26 | Evolucia Design & manufacturer of LED lighting systems 6Talent top 45%Moat bottom 49%Funding bottom 39%Patents bottom 33% All 8 signals ▾Talenttop 45% Moatbottom 49% Fundingbottom 39% Patentsbottom 33% Globalbottom 29% Fin. healthbottom 22% Innovationbottom 21% Marketbottom 15% Talent: 2 named leaders on record Moat: Editorial + unicorn rating 1/10 · IP moat: 6 patents rank vs industry peers · Fliar Intelligence Index 6/100 | $5M | 152 mo ago | Public | — | 2005 | 6 patents Advanced LED lighting modules with programmable light patterns for outdoor illumination. | — |
| 27 | Blue Bio Fuels Producer of bio-fuels | $5M | 7 mo ago | Public | 7 | 2011 | — | 2 partnerships |
| 28 | Pytheas Energy Oil and gas company focused on modernizing marginal well production 24Talent top 38%Tech top 40%Funding bottom 40%Global bottom 30% All 6 signals ▾Talenttop 38% Techtop 40% Fundingbottom 40% Globalbottom 30% Marketbottom 22% Newsbottom 18% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Tech: 44 technologies across 4/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 24/100 | $4M | 23 mo ago | Seed | — | 2023 | — | — |
| 29 | BioTork Evolutionary optimization of fermentation processes for diverse industries, creating sustainable solutions | $3M | 115 mo ago | Series A | 5 | 2008 | — | — |
| 30 | Capstone Companies Designer & manufacturer of LED lighting products 5Product top 35%Funding top 48%Global bottom 30%Growth bottom 27% All 7 signals ▾Producttop 35% Fundingtop 48% Globalbottom 30% Growthbottom 27% Newsbottom 21% Fin. healthbottom 19% Marketbottom 15% Product: 0 product launch events in 12 mo · Company stage: Public Funding: Raised $2.2M across 3 rounds · 3 rounds over 9 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 5/100 | $2M | 18 mo ago | Public | 8 | 1997 | — | — |
| 31 | T2c Energy Converts biogas to renewable, drop-in diesel fuel | $2M | 17 mo ago | Funding Raised | — | 2012 | — | — |
| 32 | Genuine Bio-Fuel Supplier of fresh and frozen seafood products | $2M | 152 mo ago | Funding Raised | — | 2009 | — | — |
| 33 | National Solar Utility-scale solar and energy storage project developer since 2010 | $2M | 167 mo ago | Seed | — | 2009 | — | — |
| 34 | Initio Fuels Technology developer of biodiesel | $2M | 171 mo ago | Deadpooled | — | 2011 | 7 patents Gaseous-catalyst single-step transesterification for biodiesel production | — |
| 35 | SLS Provider of lightning monitoring, protection, and testing products & services 27Patents top 42%Tech top 44%Growth top 45%Innovation top 49% All 9 signals ▾Patentstop 42% Techtop 44% Growthtop 45% Innovationtop 49% Moatbottom 49% Productbottom 40% Fundingbottom 30% Globalbottom 29% Marketbottom 19% Patents: 7 patents matched (strict assignee match) · 3 filings since 2022 vs 0 in 2017-21 Tech: 35 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 27/100 | $2M | 39 mo ago | Seed | 11 | 2014 | 7 patents Patents concentrated in computing, sensing & instrumentation | — |
| 36 | Illumination America Provider of island tourism services including tours, rentals, and accommodation | $1M | 116 mo ago | Deadpooled | — | 2009 | — | — |
| 37 | Evolution Lighting Manufacturer of lighting system | $1M | 191 mo ago | Seed | 100 | 2010 | 31 patents Modular interior lighting fixtures integrating plant growth and customizable illumination solutions | — |
| 38 | WindGen Power Designer & manufacturer of small-scale wind turbines | $535K | 125 mo ago | Seed | — | 2011 | — | — |
| 39 | UGT Renewables Provider of clean energy solutions, specializing in solar projects and investments | $500K | 186 mo ago | Seed | 12 | 2010 | — | — |
| 40 | New Hope US Producer of renewable energy generation systems and other lighting & charging products | $458K | 98 mo ago | Seed | — | 2010 | — | — |
| 41 | Silescent Lighting Corporation Manufacturer of energy-efficient LED lighting fixtures for commercial and residential applications. | $443K | 174 mo ago | Seed | — | 2009 | — | — |
| 42 | Cyclone Power Technologies Manufacturer of heat regenerative steam engines | $362K | 179 mo ago | Late Stage | 6 | 1967 | — | — |
| 43 | Crownbutte Wind Power Wind power developers | $270K | 142 mo ago | Deadpooled | — | 1999 | — | — |
| 44 | HyCarb Developing advanced nano-materials and energy storage systems for a sustainable future | $252K | 107 mo ago | Seed | 2 | 2014 | — | — |
| 45 | Novusterra Manufacturer of lithium ion batteries | $250K | 42 mo ago | Seed | 4 | 2021 | — | — |
| 46 | Alternative Sustainability Developer & distributor of bioenergy projects | $212K | 44 mo ago | Seed | — | — | 17 patents Low‑carbon HVAC, EV charging, and renewable turbine/energy capture technologies. | — |
| 47 | Smart Decision Provider of cannabis focused decision making related consulting services for consumers | $210K | 76 mo ago | Seed | 2 | 2017 | — | — |
| 48 | Nhu Energy Experts in power solutions and energy storage | $200K | 17 mo ago | Funding Raised | 10 | 2015 | — | — |
| 49 | Bo’s Electric Supplier of gas and electricity | $140K | 187 mo ago | Early Stage | 3 | 1973 | 1,526 patents Fault detection, isolation, and restoration in medium‑voltage power distribution equipment | — |
Top 12 Energy companies in Florida
#1
Series D · Miami, Florida · founded 2005 · 265 employees$388.4Mraised▾
Developer of solar energy projects
- Feb 2026Conventional Debt$183M
- Jun 2025Conventional Debt$245M
- Oct 2023Series D$316.4M
- Dec 2020Series C$10M
#2
Series A · Tampa, Florida · founded 2012$255Mraised▾
Artinenergy is dedicated to revolutionizing the energy sector by using solar energy to produce hydrogen for clean, efficient electricity and heat generation without CO2 emissions. They are leading the clean energy transition to help sustain a carbon-free world.
- Mar 2026Series A$255M
- Apr 2024Seed—
#3
Series D · Miami, Florida · founded 2016$140.2Mraised▾
Provider of solar power solutions and subscription-based services for rooftop installations.
- Jan 2026Conventional Debt$35M
- Jan 2026Series D$105M
- Oct 2020Grant (prize money)$174.3K
- May 2019Grant (prize money)—
#4
Acquired · Juno Beach, Florida · founded 1925 · 9500 employees$2.8Braised▾
NextEra Energy engages in the generation, transmission, distribution, and sale of electric energy. The clean energy company has a consolidated revenue of approximately $17.5 billion and has installed approximately 46,400 megawatts of generating capacity. Through its subsidiaries, NextEra Energy also generates clean, emissions-free electricity from eight commercial nuclear power units in Florida, New Hampshire, Iowa, and Wisconsin. The company has also installed energy storage solutions for providing peak shaving power to required utilities. Owns and operates solar and wind energy plants generating US solar and wind energy capacities respectively.In 2022, the company recorded annual revenues of $20.95B and a net profit of $4.14B.
- Feb 2025Post IPO$54.1M
- Feb 2025Conventional Debt$15.9M
- Apr 2019Conventional Debt$2.7B
#5
Series A · Miami, Florida · founded 2023$20Mraised▾
Exowatt is focused on enabling decarbonization through electrification by providing modular full-stack renewable energy solutions for commercial and industrial customers. Their unique approach involves storing heat instead of electricity, allowing them to store energy at a fraction of the cost of electrochemical methods. The company recently launched with $20 million in funding to modernize data center power for the AI era.
- Nov 2025Series A$50M
- Apr 2025Series A$35M
- Apr 2025Conventional Debt$35M
- Apr 2024Seed$20M
#6
Series D · Destin, Florida · founded 2019 · 150 employees$940Mraised▾
Developer of utility-scale clean power systems enhanced by artificial intelligence. The company designs, develops, and operates clean power systems. It delivers dispatchable utility-scale power solutions tailored to clients’ needs. The company utilizes its artificial intelligence platform to optimize the development, design, and operation of its clean power systems. The company aims to provide reliable, resilient, and affordable energy.
- Aug 2024Series D$440M
- Jan 2024Conventional Debt$375M
- Jan 2022Series D$500M
- Jan 2022Conventional Debt—
#7
Public · Juno Beach, Florida · founded 1925 · 9500 employees$49.1Mraised▾
Developer of wind and solar energy power projects
- May 2025Grant (prize money)$49.1M
#8
Public · Palm Beach Gardens, Florida · founded 2011 · 7 employees$4.7Mraised▾
Producer of bio-fuels
- Nov 2025Post IPO$250K
- Nov 2024Post IPO$197K
- Sep 2024Grant (prize money)$1.1M
- Jul 2023Grant (prize money)—
#9
Series A · St. Petersburg, Florida · 10 employees$25Mraised▾
Provider of filtered water refill stations at various public venues. The stations offer carbon-filtration, UV-stabilization, and chilled water. These stations aim to make water accessible while reducing plastic waste. The stations feature screens for advertising and provide data analytics on ad impressions.
- Jul 2025Series A$20M
- 2024Seed$5M
#10
Series A · Boca Raton, Florida · founded 2023$28Mraised▾
Developer of solar energy projects
- Mar 2025Conventional Debt$30M
- Aug 2024Series A—
- Mar 2024Series A$28M
#11
Series B · Miami Beach, Florida · founded 2024$30Mraised▾
Platform connecting individuals and corporations to solar projects for carbon emission reduction. It facilitates the creation and operation of solar farms by incentivizing contributions towards solar projects. The platform tracks solar panels' real-time interactions with the grid to calculate carbon offsets. It also provides a system for auditing solar farms to verify carbon credit production, ensuring transparency and integrity. The platform enables individuals to monitor the impact of their contributions.
- Dec 2024Series B$30M
#12
Funding Raised · Jupiter, Florida · founded 1986 · 26 employees$6Mraised▾
Developer of small modular reactor
- May 2025Grant (prize money)$2M
- Feb 2025Grant (prize money)$2M
- Jan 2025Grant (prize money)$2M
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 Energy Storage in Florida is moving
A read on the academic research around Energy Storage in Florida — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 123 papers.
Florida's UCF, FIU, and UF lead energy-storage research focused on microgrid control and advanced batteries, with 103 recent papers reflecting cautiously optimistic momentum toward grid-scale breakthroughs.
- University of Central Florida34
- Florida International University27
- University of Florida19
- Florida State University17
- Florida A&M University - Florida State University College of Engineering11
- Microgrid1→6
- Photovoltaic system1→3
- Battery (electricity)1→14
- Microgrid1→13
- Renewable energy2→13
- Supercapacitor1→6
- Sizing1→5
- Battery (electricity)6
- Electrolyte5
- Nanotechnology4
- Cathode4
- Electrochemistry3