The energy efficiency industry in Louisiana focuses on reducing energy consumption and promoting sustainable practices across various sectors. Companies involved range from solar providers to consulting firms, all aiming to lower utility bills and environmental impacts. Recent trends show increased investment, particularly in renewable energy sources, and a growing interest in making energy solutions accessible to underserved communities. This shift reflects heightened awareness of sustainability issues, driven by both consumer demand and regulatory support, positioning Louisiana as a burgeoning hub for energy-efficient innovations and technologies.

This list showcases 21 notable energy efficiency companies located in Louisiana, with operations primarily in New Orleans, Baton Rouge, and Lafayette. The firms vary in size, from small startups like Green Coast Enterprises to larger organizations such as Southwestern Electric Power Company. Since their founding in the 1970s to 2017, these businesses specialize in areas including HVAC solutions, solar energy, and energy management consulting, reflecting the industry's broad spectrum.

Continue reading to discover the top energy efficiency companies in Louisiana.

Top 21 Energy Efficiency Companies in Louisiana

1. Green Coast Enterprises

• Website: greencoastenterprises.com
• Ownership type: Private
• Headquarters: New Orleans, Louisiana, United States (USA)
• Employee distribution: United States (USA) 93%, United Arab Emirates 7%
• Founded year: 2007
• Headcount: 1-10
• LinkedIn: green-coast-enterprises

Green Coast Enterprises, founded in 2007 and based in New Orleans, Louisiana, is a private real estate development and consulting firm. The company focuses on community renewal and energy efficiency, providing a range of services that include green certification for affordable housing and energy management for large commercial properties. With a strong emphasis on urban and coastal areas, Green Coast Enterprises has developed over $200 million in real estate and certified more than 3,000 housing units for green building standards. Their clientele includes developers and organizations seeking to enhance property value while addressing community challenges. The firm is also recognized as a woman-owned Disadvantaged Business Enterprise (DBE) and actively collaborates with public, private, and nonprofit organizations to achieve its goals. Green Coast Enterprises is committed to expanding its footprint beyond New Orleans in the coming years, reflecting its ambition to impact the energy efficiency sector further.

2. PosiGen

• Website: posigen.com
• Ownership type: Private Equity
• Headquarters: Saint Rose, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $200.0M, December 2024
• Founded year: 2011
• Headcount: 501-1000
• LinkedIn: posigen

PosiGen, founded in 2011 and based in Saint Rose, Louisiana, is a solar energy provider dedicated to making solar power accessible and affordable, especially for underserved communities. The company offers a range of services, including solar leases, energy efficiency audits, and solar battery installations. PosiGen's mission is to support families in reducing their energy costs while promoting environmental sustainability. With a workforce of over 500 employees, PosiGen has expanded its operations across several states, including Connecticut, Louisiana, Massachusetts, Mississippi, New Jersey, Pennsylvania, Rhode Island, and New Hampshire. The company has recently secured significant funding, amounting to $200 million, which underscores its growth potential and commitment to enhancing energy efficiency solutions for its customers.

3. CMC Corporate Solutions

• Website: callcmc.com
• Ownership type: Private
• Headquarters: Baton Rouge, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1976
• Headcount: 51-200
• LinkedIn: cmc-corporate-solutions

CMC Corporate Solutions, based in Baton Rouge, Louisiana, has been operational since 1976. This private company specializes in HVAC services, offering maintenance, installation, and energy management solutions tailored for commercial clients across various sectors, including banking, healthcare, and retail. Their services are designed to enhance indoor air quality and system efficiency, addressing the critical need for effective energy management in commercial buildings. CMC Corporate Solutions is dedicated to safety and quality, striving to be the preferred service partner for its clients. They have developed a reputation for customizing maintenance programs and providing comprehensive solutions that reduce energy waste, which is a significant concern in the industry. Their focus on energy management is particularly relevant, as they aim to help clients minimize energy costs and improve overall system performance.

4. Automated Control Systems, Inc.

• Website: acscompanies.com
• Ownership type: Private
• Headquarters: Metairie, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 11-50
• LinkedIn: automated-control-systems-inc-

Automated Control Systems, Inc. (ACS), established in 1987 and based in Metairie, Louisiana, is a service-oriented company that specializes in HVAC solutions, building automation, and energy management. With a workforce of 11-50 employees, ACS caters to a variety of sectors, including commercial, healthcare, and education, primarily in Louisiana and Mississippi. The company is known for its expertise in environmental control systems, providing tailored solutions that enhance energy efficiency and operational effectiveness. ACS has been involved in notable projects such as the renovation of the Benson Tower, which achieved LEED Certification, and the installation of advanced temperature control systems in various facilities, including museums and hospitals. Their commitment to energy efficiency is further evidenced by their collaboration with utility programs to help clients reduce utility costs and improve sustainability. ACS's offerings include building automation, energy analytics, and HVAC solutions, positioning them as a relevant player in the energy efficiency sector.

5. NovelAire Technologies, LLC

• Website: novelaire.com
• Ownership type: Private Equity
• Headquarters: Baton Rouge, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: October 2023
• Founded year: 1998
• Headcount: 11-50
• LinkedIn: novelaire-technologies-llc

NovelAire Technologies, LLC, founded in 1998 and based in Baton Rouge, Louisiana, specializes in HVAC solutions with a strong emphasis on energy conservation and dehumidification technologies. The company offers a range of products, including energy conservation wheels and various types of dehumidifiers, which are utilized in sectors such as healthcare, retail, and industrial applications. Their technology is designed to enhance indoor air quality while minimizing energy usage, making them a key player in the energy efficiency market. NovelAire's products are recognized for their quality and performance, with certifications from the Air Conditioning, Heating and Refrigeration Institute (AHRI) and recognition as an Energy Star Partner. They have a global reach, serving over 500 customers in 25 countries, and are known for their commitment to customer service and innovation in energy-efficient solutions.

6. WKA Lighting

• Website: wkalighting.com
• Ownership type: Private
• Headquarters: Harahan, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1976
• Headcount: 11-50
• LinkedIn: wka-lighting

WKA Lighting, also known as Wells Keown Associates, is a private company based in Harahan, Louisiana, founded in 1976. With a team of around 20 employees, the company specializes in lighting and control solutions tailored for architectural, industrial, residential, and theatrical markets. WKA Lighting offers a comprehensive range of services, including the design, specification, and installation of complex lighting systems. They are dedicated to advancing lighting technologies, particularly in the shift towards energy-efficient solid-state lighting. Their clientele includes businesses and organizations seeking innovative lighting solutions that prioritize energy savings. WKA Lighting has established a strong presence in South Louisiana, serving as a key resource for energy-efficient lighting solutions in the region.

7. Legacy Professional Services, LLC

• Website: legacyproserv.com
• Ownership type: Private
• Headquarters: New Orleans, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: legacy-professional-services

Legacy Professional Services, LLC, founded in 2017 and based in New Orleans, Louisiana, is a management consulting and construction management firm. With a team of 20 employees, the company focuses on large-scale infrastructure development and energy efficiency programs. They provide a range of services, including project management, staff integration, and energy efficiency inspections. Legacy has established itself as a key partner in various energy efficiency initiatives, notably the Energy Smart program, which aims to help customers save energy and reduce costs through innovative solutions. Their work involves collaborating with local governments and utility providers to implement energy-saving measures, ensuring that both residential and business clients can benefit from reduced energy consumption. Legacy's commitment to excellence and attention to detail in managing complex projects positions them as a significant contributor to the energy efficiency sector.

8. RED Group

• Website: red.group
• Ownership type: Private
• Headquarters: Metairie, Louisiana, United States (USA)
• Employee distribution: United States (USA) 93%, United Kingdom (UK) 7%
• Founded year: 2006
• Headcount: 11-50
• LinkedIn: redgroup-llc

RED Group, founded in 2006 and based in Metairie, Louisiana, is an engineering firm that specializes in industrial control systems and operational technology solutions. With a workforce of around 30 employees, the company serves clients across various sectors, including energy, manufacturing, and public services. Their expertise lies in engineering, cybersecurity, and panel manufacturing, which are essential for modernizing and securing industrial operations. RED Group is particularly active in the energy sector, providing scalable control systems for oil and gas, power utilities, and renewable energy projects. Their services aim to enhance operational efficiency and safety through advanced technology integration, making them a valuable partner for organizations looking to optimize their energy operations.

9. CPL Systems

• Website: cpl-systems.com
• Ownership type: Private
• Headquarters: Lafayette, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1995
• Headcount: 11-50
• LinkedIn: cpl-systems

CPL Systems, based in Lafayette, Louisiana, is an industrial service provider specializing in boiler engineering and related solutions. Founded in 1995, the company has built a reputation for its expertise in custom design, retrofitting, and maintenance of boiler systems. They primarily serve industrial clients in manufacturing and energy production sectors. With a team boasting over 325 years of collective experience, CPL Systems focuses on optimizing thermal performance and energy efficiency. Their services include evaluations, custom design and build, retrofits, and maintenance, all aimed at enhancing operational performance while ensuring compliance with environmental standards. Notably, their OUR® Technology has received accolades for its effectiveness in reducing energy usage and operational costs, further solidifying their role in promoting sustainability within the industry.

10. CIS Industries

• Website: cisindustries.com
• Ownership type: Private
• Headquarters: Harahan, Louisiana, United States (USA)
• Employee distribution: United States (USA) 98%, United Kingdom (UK) 2%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: cisindustries

CIS Industries, founded in 2004 and based in Harahan, Louisiana, is a private company with a workforce of approximately 142 employees. The firm operates in the HVAC sector, offering a range of services that include mechanical solutions, building technologies, air products, and filtration systems. They cater to various industries such as healthcare, education, and commercial spaces, emphasizing energy efficiency and indoor air quality. CIS Industries employs a collaborative approach, working closely with clients to develop customized solutions that meet their specific needs. Their expertise in HVAC systems not only enhances operational efficiency but also contributes to sustainable practices in building management. The company has established itself as a reliable partner in delivering innovative technologies and comprehensive support throughout the project lifecycle.

11. Anakata Wind Power Resources

• Website: anakatawindpower.com
• Ownership type: Private
• Headquarters: Carencro, Louisiana, United States (USA)
• Employee distribution: United Kingdom (UK) 94%, Philippines 6%
• Latest funding: Other (Grant), May 2023
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: anakata-wind-power-resources

Anakata Wind Power Resources, founded in 2012 and based in Carencro, Louisiana, is a technology firm dedicated to advancing the wind energy sector through innovative aerodynamic solutions. The company specializes in enhancing the performance of wind turbine blades, offering a range of products and services that aim to improve energy efficiency and reduce operational costs for wind farm owners and turbine manufacturers. Anakata's expertise stems from a unique background in Formula 1 engineering, which informs their approach to aerodynamic optimization. Their offerings include upgrade packs, an infrared-driven aerodynamic blade optimization service, leading edge protection, and noise suppression devices. Anakata's commitment to research and development has led to significant advancements in wind turbine technology, helping clients achieve substantial returns on investment and lower the levelized cost of wind energy.

12. Southwestern Electric Power Company (SWEPCO)

• Website: swepco.com
• Ownership type: Private
• Headquarters: Shreveport, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1912
• Headcount: 1001-5000
• LinkedIn: southwestern-electric-power-company

Southwestern Electric Power Company (SWEPCO), founded in 1912, is an electric utility based in Shreveport, Louisiana. The company provides electricity services to a wide range of residential and business customers across its service areas. SWEPCO is dedicated to ensuring reliable power delivery while also focusing on energy efficiency programs designed to assist customers in managing their energy usage effectively. These programs include various incentives, rebates, and educational resources aimed at promoting energy-saving practices. SWEPCO is part of the American Electric Power (AEP) family, which enhances its capabilities in delivering innovative energy solutions. The company actively participates in community initiatives and strives to integrate clean energy solutions into its operations, reflecting its commitment to sustainability and customer service.

13. Moses Engineers

• Website: mosesengineers.com
• Ownership type: Private
• Headquarters: New Orleans, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1947
• Headcount: 11-50
• LinkedIn: mosesengineers

Moses Engineers is an engineering consulting firm based in New Orleans, Louisiana, established in 1947. The company specializes in mechanical, electrical, and sustainable design engineering, serving a variety of clients including government agencies, developers, and architectural firms. With a team of registered professional engineers, 70% of whom are LEED Accredited Professionals, Moses Engineers has built a reputation for quality and innovation in the construction industry. Their project portfolio spans multiple sectors, including hospitality, healthcare, and education, with a notable emphasis on sustainable design practices. The firm has been involved in several high-profile projects, such as the USA Global Green Holy Cross Project, which achieved LEED Platinum ratings, and numerous K-12 schools that have received LEED certifications. Their work not only focuses on energy efficiency but also incorporates resilience against natural disasters, showcasing their commitment to sustainable engineering solutions.

14. ZTRIC, Inc.

• Website: ztric.com
• Ownership type: Private
• Headquarters: Supreme, Louisiana, United States (USA)
• Employee distribution: India 100%
• Founded year: 2015
• Headcount: 11-50
• LinkedIn: ztric-inc.

ZTRIC, Inc. is a private solar energy company based in Supreme, Louisiana, with a significant operational presence in India. Founded in 2015, ZTRIC specializes in providing comprehensive solar solutions, including the installation and maintenance of solar power systems tailored for industrial, commercial, and residential clients. The company emphasizes customized renewable energy solutions that not only help reduce energy costs but also promote sustainability. ZTRIC's portfolio includes on-grid and off-grid solar facilities, battery energy storage systems, and a robust operation and maintenance service. Their innovative financing models, such as the RESCO/OPEX model, allow clients to access solar power without upfront investment, thereby minimizing financial risk. ZTRIC has successfully completed various projects, demonstrating their expertise and commitment to delivering efficient energy solutions.

15. Keefe's Air Conditioning, Heating, Electrical, & Plumbing

• Website: keefes.com
• Ownership type: Family Owned
• Headquarters: Harvey, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: April 2023
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: keefe-s-air-conditioning-heating-electrical

Keefe's Air Conditioning, Heating, Electrical, & Plumbing, founded in 1979, is a family-owned service company based in Harvey, Louisiana. They provide a wide range of essential services, including heating, ventilation, air conditioning (HVAC), electrical work, and plumbing, catering to both residential and commercial clients in the New Orleans area. With a workforce of 51-200 employees, Keefe's has built a reputation for reliability and quality service over the decades. The company emphasizes energy efficiency, particularly through its installation of Lennox HVAC systems, which are recognized for their energy-saving capabilities. Keefe's also offers maintenance plans that help ensure systems operate at peak efficiency, thereby reducing energy consumption and costs for their customers. Their commitment to community involvement and customer satisfaction further solidifies their role in the local service industry.

16. SOLR.ENERGY

• Website: solr.energy
• Ownership type: Private
• Headquarters: New Orleans, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2007
• Headcount: 1-10
• LinkedIn: lite-solar-corp

SOLR.ENERGY LLC, based in Baton Rouge, Louisiana, is a private solar energy company founded in 2007. The firm specializes in renewable energy solutions, offering a range of services including engineering, procurement, construction, and maintenance of solar energy systems. With a team of experienced professionals, including NABCEP Certified PV Professionals, SOLR.ENERGY focuses on delivering utility-scale solar farms and residential and commercial solar lease portfolios. Their projects often emphasize sustainability and cost reduction, making them a valuable player in the energy efficiency sector. Notable projects include a 4.7 MW solar farm at Fort Campbell, Kentucky, and various installations for military organizations, showcasing their capability in handling significant energy projects. The company is dedicated to creating renewable energy systems that offset carbon emissions, contributing to a sustainable future.

17. Control Concepts & Technology

• Website: controlconceptsla.com
• Ownership type: Private
• Headquarters: Maurice, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1998
• Headcount: 201-500
• LinkedIn: control-concepts-%26-technology

Control Concepts & Technology, a subsidiary of W-Industries, specializes in providing integrated technology and engineered solutions tailored for the energy industry. Founded in 1998, the company has established itself as a key player in automation systems, control packages, and process design. Their services are crucial for optimizing production in sectors such as oil, natural gas, and renewable energy. Control Concepts & Technology focuses on enhancing operational efficiency through innovative engineering solutions, ensuring that clients can meet the increasing demands for productivity while minimizing costs. Their expertise extends to manufacturing and field services, which are essential for maintaining operational continuity in complex energy environments. The company has been involved in various projects that emphasize the integration of advanced technologies, particularly in renewable energy, showcasing their commitment to energy efficiency and sustainability.

18. Leading Edge Mfg

• Website: leadingedgemfg.com
• Ownership type: Private
• Headquarters: Youngsville, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1994
• Headcount: 11-50
• LinkedIn: leadingedgemfg

Leading Edge Manufacturing, based in Youngsville, Louisiana, is a custom metal fabrication firm established in 1994. With a workforce of 11 to 50 employees, the company specializes in high-quality manufacturing solutions across several sectors, including oil and gas, maritime, power distribution, accommodations, and HVAC. Recently, they have ventured into renewable energy by offering battery energy storage solutions and related products. Their services include the design and fabrication of electrical enclosures, equipment racks, and pole mounts, all aimed at supporting renewable energy initiatives. The company prides itself on maintaining quality and efficiency in its operations, with a focus on customer service and timely delivery. They also provide in-house powder coating services, emphasizing sustainability and durability in their products. Leading Edge Manufacturing operates entirely within the United States, contributing to local economies and reducing transportation emissions.

19. Southwest Louisiana Electric Membership Corporation (SLEMCO)

• Website: slemco.com
• Ownership type: Private
• Headquarters: Lafayette, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1937
• Headcount: 201-500
• LinkedIn: slemco

Southwest Louisiana Electric Membership Corporation (SLEMCO) is a private utility company based in Lafayette, Louisiana, established in 1937. It serves both residential and commercial customers, providing essential electricity services. SLEMCO is dedicated to ensuring a reliable power supply while also assisting customers in managing their energy needs effectively. The company offers a variety of services, including billing options and safety education. Notably, SLEMCO has implemented several energy conservation programs aimed at educating customers on how to reduce their energy usage. These programs include practical advice on home improvements, such as checking ductwork and optimizing insulation, which are crucial for enhancing energy efficiency. SLEMCO also engages in community initiatives, such as the Operation Round-Up Grants, which further reflect its commitment to supporting energy efficiency and sustainability within its service area.

20. ISC Constructors, L.L.C.

• Website: iscgrp.com
• Ownership type: Private Equity
• Headquarters: Baton Rouge, Louisiana, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2019
• Founded year: 1989
• Headcount: 1001-5000
• LinkedIn: isc-constructors-l.l.c.

ISC Constructors, L.L.C., founded in 1989 and based in Baton Rouge, Louisiana, is an engineering and construction firm that specializes in industrial electrical, instrumentation, and controls solutions. With a workforce of approximately 1,467 employees, the company serves global manufacturers across various sectors, including refining, petrochemical, and food and beverage. ISC is dedicated to ensuring operational efficiency and safety through its comprehensive services, which include engineering, construction, and maintenance. The company has a strong emphasis on safety and quality, having received multiple awards for its performance in these areas. ISC is also involved in the power and renewables sector, contributing to the transition towards more sustainable energy solutions. Their commitment to sustainability is reflected in their practices, which align with the United Nations' Sustainable Development Goals, showcasing their focus on responsible and efficient energy use.

21. Joule Energy

• Website: joule-energy.com
• Ownership type: Private
• Headquarters: New Orleans, Louisiana, United States (USA)
• Employee distribution: United States (USA) 82%, United Arab Emirates 9%, South Africa 9%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: joule-energy

Joule Energy, founded in 2009 and based in New Orleans, Louisiana, is a private utility-scale solar company that specializes in engineering, procurement, and construction services for solar power projects. Over the years, Joule has installed more than 300 megawatts of solar power across the United States, showcasing their expertise in the renewable energy sector. Initially starting with residential solar panel installations and LED lighting in the Gulf South, the company has evolved to focus on large-scale solar farms. Joule Energy is recognized for its commitment to sustainability and innovation, being Louisiana's oldest certified B Corp. They actively promote the adoption of renewable energy at both state and federal levels, positioning themselves as advocates for energy efficiency and sustainability in the Southeast. Their recent rankings in Solar Power World’s Top Solar Contractors list further highlight their relevance in the industry.

Energy Efficiency Insights: Key Companies in Louisiana

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