Geothermal energy is a significant and growing sector in Ohio, with a diverse range of companies providing a variety of services. These encompass everything from the construction of geothermal power plants, to the financing of renewable energy projects, and even education about green energy solutions. This industry plays a crucial role in empowering Ohio's transition to sustainable energy, providing not merely a response to climate change, but also lucrative business opportunities. As public awareness around the need for renewable energy sources increases, so too does the potential for growth and development in this sector.


Top 19 geothermal energy companies in Ohio

1. Epic Financial Funding,llc

EnergyFunding123 is a financing company specializing in funding renewable energy projects such as wind farms, solar farms, geothermal power, hydroelectric, etc. They offer 100% debt and equity combination funding options and tax incentives. Customers can pre-qualify online before getting quotes for high leverage loan to cost using debt and/or equity.


2. Wayne County Sustainable Energy Network

  • Website: wcsen.org
  • Headquarters: Wooster, Ohio, United States
  • Headcount: 1-10

The Wayne County Sustainable Energy Network (WCSEN) was founded by a group of concerned Wayne County citizens who foresaw the need to transition to sustainable renewable energy. The WCSEN group emerged as an independent local network in 2007. With the assistance of member Barry Romich, the organization was incorporated and became a 501(c)3 non-profit corporation with a Board of Trustees in August of that year. The group recognized that fossil fuels have negative consequences that threaten our community and the planet. Our long-term goal is to replace finite fossil fuel energy (particularly sources like coal that most pollute the environment and cause global climate change) by encouraging conservation, energy efficiency and sustainable renewable energy development. WCSEN organizes and conducts three primary types of activities: educational programs, community events, and the installation of renewable energy systems. Free seminars and workshops open to the public have included: solar photovoltaic basics and renewable energy credits (RECs) solar thermal basics wind energy energy efficient home construction fuel cell technology developments energy-efficient lighting upgrades state, federal and other incentives for renewable energy


3. Akin Law Group

  • Website: akinlawgroup.com
  • Headquarters: Westerville, Ohio, United States
  • Headcount: 11-50

A company specializing in green energy solutions such as solar thermal, solar power, water purification, air-source and geothermal heat pumps, and underfloor heating systems.


4. Darke Rural Electric Cooperative, INC.

Darke Rural Electric Cooperative is a member-owned electric distribution system provider in Ohio. They offer renewable energy resources, rebate programs, and energy solutions to their customers.


5. Melink Corporation

Melink Corporation is a company that specializes in green building services and solutions. They offer services like building commissioning, custom service solutions, and test, adjust, and balance. Their goal is to create a more sustainable world while increasing profitability and reducing carbon emissions.


6. American Electric Power

  • Website: aep.com
  • Headquarters: Columbus, Ohio, United States
  • Founded: 1906
  • Headcount: 10001+
  • Latest funding type: Ipo
  • LinkedIn

AEP.com is a company that provides energy solutions and services for a brighter and sustainable future. They offer tools, news, and information related to living, working, investing, and planning for the future.


7. Green City Times

GCT ranks the greenest cities in the world on sustainability; renewable energy, energy efficiency, green building, sustainable transit, and climate policies.


8. Solar Power World

This company is engaged in the solar power industry, offering various products and services related to solar energy. They provide solar power solutions, equipment, and installations to residential, commercial, and industrial customers.


9. CE Power

  • Website: cepower.net
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 2001
  • Headcount: 201-500
  • LinkedIn

CEPower.net is a company that offers a wide range of products and services in the power industry. They specialize in providing power solutions for various applications, including renewable energy, power generation, and industrial applications. With their expertise and innovative solutions, they aim to meet the power needs of their clients efficiently and sustainably.


10. Go Sustainable Energy, LLC

Go Sustainable Energy is a company that provides support services and accurate, unbiased information to help individuals and organizations make sustainable energy choices. They offer assistance in making tough decisions, identifying opportunities, performing calculations, and acting as a technical strategist.


11. Guardian Lima, LLC

Guardian Energy Management is a company that provides a platform for collaborative growth in renewable energy. They focus on collaboration, scale, and excellence to drive the renewable energy sector forward.


12. Sunhub

  • Website: sunhub.com
  • Headquarters: Cleveland, Ohio, United States
  • Founded: 2018
  • Headcount: 11-50
  • LinkedIn

Sunhub is an online marketplace for buying and selling new and used solar products. It provides a platform for individuals and businesses to easily find and trade solar panels, inverters, batteries, and other related equipment.


13. Donovan Energy

  • Website: donovanenergy.com
  • Headquarters: Cincinnati, Ohio, United States
  • Founded: 2016
  • Headcount: 11-50
  • Latest funding type: Series Unknown
  • LinkedIn

Donovan Energy is an ESG and energy advisory company that helps organizations invest in clean energy solutions, creating competitive advantages and improving the world we live in.


14. APenergy

  • Website: apenergy.com
  • Headquarters: Gahanna, Ohio, United States
  • Founded: 1986
  • Headcount: 11-50
  • LinkedIn

AP Energy is a brand-neutral energy consulting firm that offers economical solutions to clients. Their core service is energy consulting, and they provide energy-efficient incentives for projects. They also offer facility audits and assessments for compressed air systems. AP Energy helps clients navigate utility incentive programs and provides expertise in energy efficiency.


15. World Energy Innovations, LLC

World Energy Innovations is a technology company and solutions provider that specializes in delivering innovative and efficient energy system designs. They offer a portfolio of alternative technologies, including Global Controls, Liquid Chimney, Lighting, and HVAC systems, which maximize energy performance and recover waste heat. With nearly 40 years of experience, they provide turnkey designs and advanced system management instrumentation to various market sectors.


16. RF Management

RF Management is a full-service sustainable energy site development company that offers strategic consulting, project planning, program deployment strategy development, project deployment, operational excellence, drafting policies and budgetary growth.


17. Guaranteed Clean Energy

Guaranteed Clean Energy offers sustainable and independent renewable energy solutions for communities committed to clean energy practices, utilizing cost-effective ground mounted and rooftop solar installations for schools and other organizations to reduce energy costs, take advantage of tax incentives, and promote community stewardship.


18. WindEnergy7

  • Website: windenergy7.com
  • Headquarters: Hilliard, Ohio, United States
  • Headcount: 51-200

WindEnergy7.com is an Ohio-based manufacturer and seller of patented high-tech home wind turbine rooftop kits for residential use. The company also offers small wind turbines, TowerMill rooftops, and home windmill generators.


19. Renergy, Inc.

  • Website: renergy.com
  • Headquarters: Columbus, Ohio, United States
  • Founded: 2014
  • Headcount: 11-50
  • LinkedIn

Renergy, Inc. is a bioenergy company that operates anaerobic digester facilities in Ohio to reduce everyday waste and produce renewable energy and fertilizer.


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