The energy efficiency industry focuses on providing solutions to minimize energy consumption and reduce environmental impact. There are various types of companies operating in this industry, including renewable energy companies, energy management companies, and suppliers of energy-efficient products and services. These companies offer a wide range of solutions such as solar power, wind power, insulation, smart grid technologies, and energy-efficient appliances. They aim to promote sustainability and reduce carbon emissions by helping individuals, businesses, and governments transition to cleaner and more efficient energy sources. With the growing concerns about climate change and the need for a sustainable future, the energy efficiency industry is projected to continue expanding rapidly in the coming years.


Top 23 Energy Efficiency Companies

1. Iberdrola

  • Headquarter: Bilbao, Biscay, Spain
  • Founded: 1840
  • Headcount: 10001+
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Iberdrola is a leading company in the renewable energy sector, specializing in offshore and onshore wind, photovoltaic, hydroelectric power, and smart grid solutions. Committed to sustainability and the SDGs, Iberdrola is driving the energy transition and reducing environmental impact through innovative technologies.

2. Kingspan Global

  • Headquarter: Kingscourt, Cavan, Ireland
  • Founded: 1965
  • Headcount: 10001+
  • LinkedIn

Kingspan.com is a company that specializes in providing innovative building solutions. They offer a wide range of products and services, including insulation, roofing, and energy management systems. With a strong focus on sustainability and efficiency, they aim to help customers create high-performing and environmentally-friendly buildings.

3. Ørsted

  • Headquarter: Fredericia, Skærbæk, Denmark
  • Founded: 2006
  • Headcount: 5001-10000
  • LinkedIn

Ørsted is a global renewable energy company that is committed to creating a world that runs entirely on green energy. With a focus on offshore wind, the company offers sustainable solutions for energy generation and operations, supply chain decarbonization, and renewable energy talent development.

4. SolarCity

  • Headquarter: San Mateo, California, United States
  • Founded: 2006
  • Headcount: 10001+
  • LinkedIn

SolarCity offers solar energy solutions to residential and commercial customers, providing clean and sustainable power. Their services include installation, financing, and maintenance of solar panels.

5. Eneco

  • Headquarter: Rotterdam, Netherlands
  • Founded: 1995
  • Headcount: 1001-5000
  • LinkedIn

Eneco is an energy supplier that offers a range of energy products and services for homes and businesses. They provide green electricity generated from wind and solar power, as well as services like insulation and heat pumps to help customers reduce their energy consumption. Eneco aims to be climate-neutral by 2035 and is known for its commitment to sustainability.

6. Knauf Insulation

  • Headquarter: Vise, Belgium
  • Founded: 1978
  • Headcount: 5001-10000
  • LinkedIn

Knauf Insulation is a global company that offers a wide range of sustainable and high-quality insulation products and solutions for various applications. With a focus on environmental responsibility, the company is committed to providing energy-efficient and fire-safe solutions for the construction industry.

7. Nuveen, a TIAA company

  • Headquarter: New York, New York, United States
  • Founded: 1898
  • Headcount: 1001-5000
  • LinkedIn

Nuveen Green Capital is a national leader in sustainable commercial real estate financing solutions, providing C-PACE financing for energy-efficient upgrades, solar and renewables, new construction and gut rehabs, and recapitalization for recently completed projects. With a focus on improving energy efficiency, increasing cash flow, and enhancing the overall marketability of properties, Nuveen Green Capital helps clients save energy, reduce costs, and achieve long-term sustainability goals.

8. BAM Bouw en Techniek

  • Headquarter: Bunnik, Netherlands
  • Founded: 1869
  • Headcount: 1001-5000
  • LinkedIn

Bambouwentechniek.nl is a company specializing in sustainable building and technology. They provide revolutionary ventilation systems powered by nature, utilizing wind and solar energy. Their systems reduce energy consumption by 85% compared to traditional ventilation systems.

9. SunEdison

  • Headquarter: Chennai, India
  • Founded: 2002
  • Headcount: 201-500
  • LinkedIn

SunEdison is a leading renewable energy solutions provider, offering solar panel solutions in various cities in India. They provide end-to-end solar solutions for residential, agricultural, and commercial establishments. With exceptional quality and expertise, SunEdison helps customers switch to sustainable and smart solar energy systems, resulting in savings on electricity bills.

10. Green Mountain Energy Company

  • Headquarter: Houston, Texas, United States
  • Founded: 1997
  • Headcount: 501-1000
  • Latest funding type: Series Unknown
  • LinkedIn

Green Mountain Energy is a sustainable energy company that offers renewable electricity plans and solar power solutions for businesses and residential customers. They provide clean and carbon-free energy alternatives to traditional electricity sources.

11. SSE Energy Solutions

  • Headquarter: Reading, United Kingdom
  • Headcount: 1001-5000
  • LinkedIn

SSE Energy Solutions is a leading provider of clean, renewable energy solutions for businesses. They offer a range of gas and electricity plans, smart meters, and energy efficiency services. Their goal is to help businesses transition to a net-zero future and contribute to tackling climate change.

12. LDK Solar

  • Headquarter: Xinyu City, Jiangxi Province, China
  • Founded: 1995
  • Headcount: 10001+
  • Latest funding type: Post Ipo Debt
  • LinkedIn

LDK Solar is a company that specializes in solar energy solutions. They offer a wide range of solar products and services including solar panels, inverters, and installation services. With their expertise in the solar industry, LDK Solar aims to provide clean and sustainable energy solutions to their customers.

13. PKP Energetyka

  • Headquarter: Warszawa, Mazowieckie, Poland
  • Founded: 2001
  • Headcount: 1001-5000
  • Latest funding type: Series Unknown
  • LinkedIn

PKP Energetyka is a sustainable energy company that offers innovative solutions in the electricity sector. They provide green energy through their extensive network of photovoltaic installations, contributing to the reduction of CO2 emissions. They prioritize customer satisfaction and strive to deliver high-quality services.

14. Sunpro Solar Energy Specialists

  • Headquarter: Mandeville, Louisiana, United States
  • Founded: 2008
  • Headcount: 1001-5000
  • LinkedIn

GoSunPro is a company that offers solar energy solutions for residential and commercial properties. They provide solar panel installation, maintenance, and financing options to help customers transition to clean and renewable energy.

15. SK ecoplant

  • Headquarter: Seoul, Korea (the Republic of)
  • Founded: 1977
  • Headcount: 5001-10000
  • Latest funding type: Grant
  • LinkedIn

SK Ecoplant Co. Ltd is a company that specializes in sustainable solutions. They offer innovative technologies and services to promote eco-friendly practices. With a focus on environmental preservation, they provide solutions for waste management, energy efficiency, and pollution control.

16. Edp

  • Headquarter: Lisboa, Portugal
  • Headcount: 10001+
  • LinkedIn

EDP is a company that provides energy solutions and services to customers globally. They offer a wide range of products including electricity, gas, and renewable energy solutions.

17. Energinet

  • Headquarter: Fredericia, Denmark
  • Founded: 2005
  • Headcount: 1001-5000
  • LinkedIn

Energinet.dk is a company that specializes in energy infrastructure and data management. They provide services related to electricity, gas, and hydrogen, including project development, data analysis, and research. They aim to ensure the reliability and efficiency of energy supply and promote the transition to renewable energy sources.

18. Région Hauts-de-France

  • Headquarter: Lille, Hauts-De-France, France
  • Founded: 2016
  • Headcount: 5001-10000
  • LinkedIn

Hauts-de-France is a company specializing in the development and promotion of sustainable and circular business practices. They offer support and funding to businesses in the region, helping them transition to renewable energy sources and adopt environmentally friendly practices.

19. Eco World Development Group Berhad

  • Headquarter: Shah Alam, Selangor, Malaysia
  • Founded: 2013
  • Headcount: 1001-5000
  • LinkedIn

Ecoworld.my is a company that offers sustainable and eco-friendly solutions for various industries. Their innovative products and services help businesses reduce their carbon footprint and promote sustainable practices.

20. Breman Installatiegroep

  • Headquarter: Nederland, Nederland, Netherlands
  • Founded: 1925
  • Headcount: 1001-5000
  • LinkedIn

Breman is a company that focuses on creating a better living and working climate by helping customers with the sustainable development of their homes. They offer services such as installing hr-ketels, warmtepompen, zonnepanelen, ventilatiesystemen, and slimme thermostaten.

21. Pacific Power

  • Headquarter: Portland, Oregon, United States
  • Founded: 1910
  • Headcount: 5001-10000
  • LinkedIn

Pacific Power is a leading energy company that provides reliable and sustainable power solutions for customers and communities. They are committed to reducing greenhouse gas emissions and accelerating a bold energy future. With a focus on grid modernization and clean energy initiatives, Pacific Power is dedicated to protecting the environment and delivering affordable and clean power on demand.

22. McKinstry

  • Headquarter: Seattle, Washington, United States
  • Founded: 1960
  • Headcount: 1001-5000
  • Latest funding type: Grant
  • LinkedIn

McKinstry is a company that offers expertise and services in the built environment. With a focus on sustainability and making a positive impact, McKinstry helps clients transform their businesses and build for the future.

23. Grupo Santa Isabel S/A

  • Headquarter: Novo Horizonte, São Paulo, Brazil
  • Founded: 1977
  • Headcount: 1001-5000
  • LinkedIn

Usina Santa Isabel is an energy company that focuses on providing sustainable solutions and promoting environmental preservation. They offer various services, including sales, supplier management, job opportunities, and contacts. The company utilizes cookies and technology to enhance user experience and personalize services. They prioritize user privacy and only collect necessary personal information. Usina Santa Isabel is committed to energy that helps save the environment.

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