Energy efficiency is a growing industry in Louisiana, with a diverse range of companies operating within this sector. These businesses offer a variety of services and products designed to reduce energy consumption, lower environmental impact and provide cost-effective solutions to consumers and businesses alike. The industry is particularly known for its work in the field of renewable energy, with companies offering solutions ranging from solar panel installations to energy-efficient products and consultations. The sector promises considerable growth in the coming years, driven by increased awareness about environmental sustainability and the benefits of energy-efficient practices.


Top 21 energy efficiency companies in Louisiana

1. Entergy

  • Website: entergy.com
  • Headquarters: New Orleans, Louisiana, United States
  • Founded: 1913
  • Headcount: 10001+
  • LinkedIn

Entergy Corporation is a diversified energy company that provides electricity to millions of customers across Arkansas, Louisiana, Mississippi, New Orleans, and Texas. The company offers sustainable financing, system planning, and requests for proposals. It also focuses on diversity, inclusion, and belonging, as well as environmental and social governance. Entergy operates in the power generation, transmission, and nuclear generation sectors, and is committed to renewable energy and energy efficiency. The company serves residential and business customers, and is dedicated to corporate social responsibility and economic development.


2. Sunpro Solar Energy Specialists

  • Website: gosunpro.com
  • Headquarters: 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.


3. ADT Solar

GoadtSolar.com offers solar solutions, including solar panels, solar batteries, and solar energy monitoring systems. They aim to help customers reduce their carbon footprint and make their own energy. The company provides customized solar estimates and options for leasing or buying solar panels.


4. PosiGen

  • Website: posigen.com
  • Headquarters: Jefferson, Louisiana, United States
  • Founded: 2011
  • Headcount: 501-1000
  • Latest funding type: Series Unknown
  • LinkedIn

PosiGen is a company that offers affordable solar solutions for homeowners, helping them lower energy expenses without high upfront costs.


5. Lafayette Utilities System

  • Website: lus.org
  • Headquarters: Lafayette, Louisiana, United States
  • Founded: 1896
  • Headcount: 501-1000
  • LinkedIn

LUS.org is a company that offers various utilities and services related to water, wastewater, and electricity. Their services include water quality monitoring, conservation initiatives, backflow prevention, net metering for renewable energy, and wastewater treatment. They cater to residential and business customers, providing information on rates, fees, and deposits. LUS.org also offers programs for energy conservation, such as home audits and the Bright Ideas program. The company operates through its own treatment plants and collaborates with builders and developers for wastewater management. They strive to provide reliable and efficient utilities to the community.


6. DSLD Homes

  • Website: dsldhomes.com
  • Headquarters: Denham Springs, Louisiana, United States
  • Founded: 2008
  • Headcount: 201-500
  • LinkedIn

DSLD Homes is a home construction company that specializes in building energy-efficient homes. They offer a wide range of customizable home options and provide guidance throughout the home buying process. DSLD Homes prioritizes low cost of home ownership and implements the latest energy-efficient improvements in their construction. They have affiliated businesses in real estate, mortgage, and title services.


7. G.E.C., Inc. (GEC)

  • Website: gecinc.com
  • Headquarters: Baton Rouge, Louisiana, United States
  • Founded: 1986
  • Headcount: 201-500
  • LinkedIn

GEC Inc. is a multi-disciplinary consulting and engineering firm specializing in green infrastructure designs, renewable energy, and sustainability for future generations.


8. Nelson Energy, INC.

Nelson Energy is a company based in Golden Valley, MN that specializes in energy solutions. They offer a range of services to help businesses and individuals reduce their energy consumption and lower their carbon footprint.


9. SPT Energy Group

  • Website: spt-energy.com
  • Headquarters: Abbeville, Louisiana, United States
  • Founded: 1986
  • Headcount: 11-50
  • Latest funding type: Private Equity
  • LinkedIn

SPT Energy is a company that offers a wide range of energy solutions and services. With expertise in the energy industry, they provide innovative solutions for clients to optimize their energy consumption and reduce costs. Their services include energy consulting, project management, and installation of energy-efficient systems.


10. ZTRIC, Inc.

  • Website: ztric.com
  • Headquarters: Georgia, Louisiana, United States
  • Founded: 2015
  • Headcount: 11-50
  • LinkedIn

ZTRIC is a company that offers turnkey solar solutions optimized for commercial buildings. Their integrated platform includes hardware, software, and service, providing a true end-to-end solution. They develop custom renewable energy solutions that reduce costs and leave a better planet for future generations.


11. Ecopro Solar Supply LLC

Ecopro Solar is a company that specializes in supplying solar energy products. They offer easy plug and play installation for residential and commercial customers. With warehouses in Louisiana, Texas, and Florida, they provide exceptional deals and free technical support.


12. CPL Systems

CPL Systems is a resource conservation technology company that focuses on optimizing process performance and reducing energy requirements per unit of product. They offer a full range of capabilities in gas compression, processing, combustion, heat recovery, and performance optimization. CPL understands both ends of the pipeline (Compression, Transmission, Combustion, Emissions).


13. Green Tree Homes

Greenntree.com is a company that offers various products and services related to sustainability and environmental preservation. Their offerings include eco-friendly products, renewable energy solutions, waste management services, and green consultancy.


14. The Next Energy Technology, Inc.

The Next Energy Technology offers energy conservation projects and financing options to help businesses reduce their carbon footprint and save on electric bills. Their flexible terms and maintenance program make it a risk-free option for businesses looking to implement money-saving projects without upfront costs.


15. Strategic Biofuels

Strategic Biofuels is a renewable energy company that plans to build its first plant in Louisiana. Their plant will produce renewable diesel and naphtha from forestry wastes like branches, pine needles, and treetops. Their fuels are chemically identical to fossil-derived fuels and produce lower emissions. The plant's location has been extensively studied, providing ideal geology for carbon sequestration. Their business benefits from long-term cost-effective feedstock supply in the area.


16. Energy Smart

EnergySmart is a comprehensive energy efficiency program developed by the New Orleans City Council and administered by Entergy New Orleans, LLC, offering free home energy assessments, instant rebates, and energy efficiency upgrades to residential and commercial customers in Orleans Parish.


17. ClearWorld

  • Website: clearworld.us
  • Headquarters: Metairie, Louisiana, United States
  • Founded: 2011
  • Headcount: 1-10
  • LinkedIn

ClearWorld LLC is a premium outdoor solar LED lighting company that offers aesthetically pleasing solar poles for streets, with advanced battery storage. The company's patented technology can work with any existing pole for multiple applications including broadband connectivity and IoT technologies, as well as smart grid infrastructure development.


18. Golden Leaf Energy, Inc.

Golden Leaf Energy is a renewable chemicals manufacturer that has evolved into a spray foam insulation company, offering retrofit and remodel services in the Bay Area, Sacramento, and Stockton.


19. Cleco

  • Website: cleco.com
  • Headquarters: Pineville, Louisiana, United States
  • Founded: 1934
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Cleco is a company that provides residential and commercial energy solutions. They offer services such as managing and creating accounts, storm center support, rates and billing, service requests, energy efficiency, and renewables. Cleco is committed to the community, corporate giving, safety, and education. They have a strong focus on sustainability and are dedicated to providing reliable energy solutions.


20. Thrive New Orleans

  • Website: thrivenola.org
  • Headquarters: New Orleans, Louisiana, United States
  • Founded: 2008
  • Headcount: 51-200
  • LinkedIn

Thrivenola.org is a company dedicated to providing innovative and sustainable solutions for natural resource management.


21. Solar Power NOLA

  • Website: solarpowernola.com
  • Headquarters: New Orleans, Louisiana, United States
  • Headcount: 11-50

SolarPowerNOLA is a collaborative effort lead by the City of New Orleans, U.S. Department of Energy, and other organizations to accelerate the adoption of solar technology in New Orleans through a comprehensive city plan.


Want to find more energy efficiency companies?


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