Best Services for Energy Efficiency Companies in United States
The 617 best Services for Energy Efficiency companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: GE Vernova.
Forget funding multiples for a second. The real story in Services for Energy Efficiency across the United States is earned revenue. Nine validated filers in this 617-company directory collectively report $11.7B in combined revenue, with Nrg Energy posting $10.1B at 19% YoY growth and Crescent Energy Co adding $1.2B at 24%. Median revenue sits at $20M across those filers, growing at a modest 7% annually, but the outsized earners are doing something else entirely. Crescent Energy Co and Nrg Energy each cleared roughly $125M-$133M in net income, four times the sector median of $35M. That's the gap you're trying to understand when you sort this list. And the global market underpinning it all is forecast to reach $112.7B by 2030, up from $54.4B in 2020, at a 10.3% CAGR.
So what's driving the momentum? Energy-as-a-service models are lowering the cost of entry, and app-side data confirms it: median install growth across energy-related apps hit 28% YoY across 138 tracked titles. Hot coverage themes right now include solar PV, EV battery technology, and EV energy management systems. I'd note one structural risk worth watching, though: as shown in 2021 research, cybersecurity vulnerabilities in connected energy infrastructure remain a real constraint on scaling. Top funders here include Bernhard Capital Partners and Greentown Labs, backing names like Ge Vernova ($250M raised) and Conduit Power ($200M).
- ResearchAndMarkets.com
Ranked: Best Services for Energy Efficiency companies in United States
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | GE Vernova Provider of technologies and services for the electric power industry | $250M | 12 mo ago | Public | — | 1878 | Scott Strazik CEO | — | — |
| 2 | Conduit Power Provider of renewable power generation services 19Funding top 35%Talent bottom 49%Tech bottom 43%News bottom 40% All 6 signals ▾Fundingtop 35% Talentbottom 49% Techbottom 43% Newsbottom 40% Globalbottom 29% Marketbottom 19% Funding: Raised $200M across 1 rounds · 1 rounds over 4 yrs (0.2/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 19/100 | $200M | 2 mo ago | Seed | 14 | 2022 | Matthew Herpich Managing Director & CEO | — | — |
| 3 | UPPCO Distributor of electricity to end users and energy efficiency | $200M | 141 mo ago | Acquired | 61 61 → 106 (+74%) · sector median +63% | 1884 | — | — | — |
| 4 | Dandelion Energy Provider of earth-powered geothermal heating and cooling systems for residential homes, leveraging its… | $176M | 19 mo ago | Series C | 98 98 → 112 (+14%) · sector median +63% | 2017 | Kathy Hannun Founder & President | — | — |
| 5 | Resource Energy Provider of tailored energy solutions for businesses to better control costs and minimize risk | $154M | 128 mo ago | Series D | 63 63 → 96 (+52%) · sector median +63% | 2007 | Scott Reinstein CEO | — | — |
| 6 | HOP Energy Energy services provider for design and installation of HVAC systems | $120M | 41 mo ago | Acquired | 503 | 2009 | Michael Anton Co-CEO & President | — | — |
| 7 | Terralux Provider of commercial grade LED lighting solutions with emphasis on reliability and energy efficiency | $43M | 119 mo ago | Series B | — | 2003 | Anthony Catalano Founder and CTO | 144 patents Advanced LED lighting fixtures with smart power control and adjustable optics | — |
| 8 | Elevation Provider of energy efficiency, and solar energy services | $29M | 36 mo ago | Series B | 259 | 2014 | Brian Bair Co-Founder | — | — |
| 9 | Noesis Finance Financing for commercial building equipment and energy efficiency projects | $26M | 134 mo ago | Acquired | 59 | 2011 | — | — | — |
| 10 | Tri-State Electricity transmission and distribution company | $20M | 17 mo ago | Funding Raised | 1,170 1,170 → 982 (-16%) · sector median +63% | 1952 | Duane Highley CEO | — | — |
| 11 | CEIS Provider of energy efficency consulting services | $20M | 34 mo ago | Series B | — | 2022 | Tony Lockridge Owner | — | 8 job openings |
| 12 | EnerVault Large-scale energy storage solutions | $19M | 171 mo ago | Deadpooled | 11 | 2008 | — | 66 patents Patents concentrated in electrical & electronics | — |
| 13 | KE2 Therm Solutions Provider of temperature and defrost controls for HVAC systems | $17M | 97 mo ago | Acquired | 35 35 → 32 (-9%) · sector median +63% | 2009 | Patrick Holdmeyer President & CEO | — | — |
| 14 | Carey Electric Contracting Provider of installation and repairing services of electrical equipment | $17M | 72 mo ago | Late Stage | 42 | 1923 | — | — | — |
| 15 | SinglePoint Mobile payment and marketing solution provider | $14M | 25 mo ago | Public | 100 | 2011 | Wil Ralston Chief Executive Officer | 6 patents Secure digital data authentication and validation for communication networks | — |
| 16 | Overview Energy Limited information available | $11M | 23 mo ago | Series B | 4 | 2022 | Mark Bert Founder | — | — |
| 17 | Zero Industrial Developer of fully financed thermal energy storage projects | $10M | 14 mo ago | Series A | — | 2024 | Ted Kniesche Co-Founder & CEO | — | 1 job opening |
| 18 | Laurus Energy Limited information available | $9M | 210 mo ago | Deadpooled | 3 | 2007 | Rebecca Mcdonald CEO | — | — |
| 19 | GreenerU Energy efficient solutions for educational institutions | $9M | 158 mo ago | Series A | 13 13 → 24 (+85%) · sector median +63% | 2009 | Robert Durning CEO | — | 2 awards |
| 20 | XCarbon Technologies Provider of solar power, LED lighting, VFDs, HVAC optimization, building management, and technology services 42Talent top 38%Funding bottom 46%Global bottom 25% All 3 signals ▾Talenttop 38% Fundingbottom 46% Globalbottom 25% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $6.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 42/100 | $6M | 12 mo ago | Series A | — | 2023 | Benoit Allehaut Co-Founder | — | — |
| 21 | Allotrope Partners Developer of bio-energy projects | $5M | 122 mo ago | Series A | 3 | 2013 | Marc Stuart Founder & CEO | — | — |
| 22 | LEAP Operator of a network providing resources and support for professionals | $4M | 188 mo ago | Funding Raised | — | 2009 | — | 29 patents Microwave-based pavement recycling and on-site asphalt production technologies | — |
| 23 | Brightcore Energy Offers end-to-end LED conversions & lighting services for savings and eliminating maintenance expense | $3M | 109 mo ago | Series A | 67 | 2017 | Steven Berkenfeld Chief Strategy Officer | — | 1 award |
| 24 | JDC Power Systems Provider of power generation systems, controls, and related service solutions | $2M | 190 mo ago | Funding Raised | — | 2000 | — | — | — |
| 25 | NITROcrete Provider of HVAC system installation and maintenance services | $2M | 140 mo ago | Acquired | 35 | 2012 | — | 19 patents Advanced cooling and temperature control systems for concrete mixing and aggregate processing | — |
| 26 | EnergyClimate Solutions Provider of energy and climate services | $2M | 197 mo ago | Deadpooled | — | 2009 | Rob Pratt Chairman & CEO | — | — |
| 27 | Maplewell Energy management software | $2M | 48 mo ago | Seed | 5 | 2019 | — | — | — |
| 28 | Trion Battery German-engineered, high-performance lithium-ion batteries for diverse industries | $2M | 15 mo ago | Seed | 11 | 2021 | Timothy Mayne Chief Executive Officer | — | — |
| 29 | Advancedthermalconcepts Provider of HVAC services and insulation solutions | $1M | 227 mo ago | Funding Raised | — | 2003 | — | — | — |
| 30 | Godby Provider of HVAC, plumbing, and electrical service repair and installation services | $900K | 178 mo ago | Seed | — | 2011 | Jason Godby Owner & President | — | — |
| 31 | Motili Provider of HVAC services, equipment, and technology for property solutions | $879K | 116 mo ago | Seed | 139 | 2015 | — | 9 patents Software-driven management and maintenance of HVAC equipment and service operations. | — |
| 32 | ClearlyEnergy Provider of installation services of clean energy products | $350K | 158 mo ago | Seed | — | 2012 | Norma Jean Autry Co-Founder | — | — |
| 33 | Generative Technology Operatives Offers energy management services & products | $300K | 107 mo ago | Seed | 3 | 2016 | Matt Dee Founder & CEO | 12 patents Smart materials for bidirectional solar thermal/electrical energy conversion and storage | — |
| 34 | Rototec Group Provider of HVAC system installation and repair services | $201K | 41 mo ago | Acquired | 149 | 2007 | Alexej Bagh CEO | — | — |
| 35 | Green Energy Exchange Supplier of green electricity to individuals and businesses | $180K | 72 mo ago | Seed | 3 | 2018 | Patrick Woodson Founder | — | — |
| 36 | Evolve Energy Mobile app offering real-time wholesale pricing | $150K | 84 mo ago | Acquired | 3 | 2019 | — | — | — |
| 37 | Green Analytics Provider of installation services of energy conservation equipment and products | $150K | 192 mo ago | Seed | — | 2010 | Travis Clark Co-Founder | — | — |
| 38 | R Value Provider of insulation services to resist the heat flow | $132K | 24 mo ago | Seed | — | — | Samuel Pardue CEO | 30 patents Modular press‑fit secondary window inserts for building retrofit and new construction. | — |
Top 12 Services for Energy Efficiency companies in United States
#1
Seed · Dallas, Texas · founded 2022 · 14 employees$200Mraised▾
Provider of renewable power generation services
- Apr 2026Conventional Debt$200M
- Aug 2022Seed—
#2
Public · Cambridge, Massachusetts · founded 1878$250Mraised▾
Provider of technologies and services for the electric power industry. It offers an array of solutions across power generation, electrification, and grid infrastructure. These offerings include equipment, software, and related services designed to support the evolving needs of the energy sector. The company focuses on assisting clients with their energy transition goals through its various technology portfolios.
#3
Series C · Somerville, Massachusetts · founded 2017 · 98 employees$175.9Mraised▾
Dandelion Energy is a geothermal energy solutions provider, offering high-performance, earth-powered heating and cooling systems for residential customers. The company's innovative technology enables cost-effective and sustainable energy solutions. With a focus on environmental sustainability, Dandelion Energy aims to transform the heating and cooling industry.
#4
Funding Raised · Westminster, Colorado · founded 1952 · 1170 employees$20Mraised▾
Electricity transmission and distribution company
- Jan 2025Grant (prize money)$20M
#5
Series A · Charleston, South Carolina · founded 2024$10Mraised▾
Developer of fully financed thermal energy storage projects. It provides a complete suite of development services, from feasibility studies to ongoing operations. This includes equipment selection, project design, permitting, electricity procurement, financing, and project execution. The company manages electricity procurement to secure the lowest cost and cleanest energy sources, minimizing carbon emissions. Projects are fully financed, allowing customers to purchase heat under a Heat-as-a-Service contract. The company also handles project design, construction, and start-up operations, ensuring reliable assets. Post-completion, it offers operational and maintenance services or collaborates with customers who opt for self-management. A disciplined, milestone-based development process ensures alignment with project goals.
- Apr 2025Series A$10M
#6
Series A · Dallas, Texas · founded 2023$6Mraised▾
Provider of solar power, LED lighting, VFDs, HVAC optimization, building management, and technology services
- May 2025Series A$1.5M
- Mar 2024Series A$6M
#7
Series B · Ashburn, Virginia · founded 2022 · 4 employees$11.2Mraised▾
Limited information available
- Jun 2024Series B$11.2M
#8
Seed · United States · founded 2021 · 11 employees$1.5Mraised▾
German-engineered, high-performance lithium-ion batteries for diverse industries. They are dedicated to transforming global energy systems through next-generation battery technologies. Specializing in cell-to-pack manufacturing of advanced Lithium Iron Phosphate (LFP) batteries in Germany, they ensure high power, durability, and safety. Their batteries cater to recreational vehicles, boating, logistics, energy storage, automotive, and defense sectors. They also focus on silicon-anode technology for improved energy density. They offer solutions that scale reliably, combining technical knowledge with manufacturing expertise. They are committed to quality, reliability, and safety in battery development and production. They provide energy solutions for various applications, including engine starting power and deep-cycle performance.
- Feb 2025Seed$1.5M
#9
Public · Phoenix, Arizona · founded 2011 · 100 employees$14Mraised▾
SinglePoint is a mobile technology & mobile marketing provider. Provides solutions that allow the clients to conduct business transactions, accept donations, and engage in targeted communication through mobile devices. SungleePoint products connect small to mid-size companies to their target markets by providing mobile technology
- May 2024Post IPO$1M
- Mar 2021Post IPO$2M
- Feb 2021Post IPO$900K
- Nov 2018Post IPO$5M
#10
Acquired · White Plains, New York · founded 2009 · 503 employees$120Mraised▾
HOP Energy is a service provider for the design and installation of HVAC systems. Residential services offered include heating oil, propane equipment sales, and servicing. Commercial services include sales, service and expert installation of HVAC systems alongside providing products such as Premium Heating Oil Motor Fuels Propane EcoOne Biofuels
- Jan 2023Conventional Debt$75M
- Nov 2019Conventional Debt$45M
#11
Early Stage · Memphis, Tennessee · founded 1980 · 268 employees$97Kraised▾
EnSafe is an environmental consulting firm that specializes in providing innovative solutions for clients' environmental, engineering, health & safety, and technology needs. With over 40 years of experience, EnSafe offers custom solutions and creative thinking to navigate complex regulatory compliance issues.
#12
Series B · Chandler, Arizona · founded 2014 · 259 employees$29.5Mraised▾
Provider of energy efficiency, and solar energy services
- May 2023Series B$6M
- Mar 2022Series B$20M
- Jun 2021Series A$3.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Services for Energy Efficiency coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.