We are committed to powering a cleaner, more sustainable future. Join us in embracing renewable energy and take a step towards a brighter, greener world.
C-Circle is a leading research and consulting firm based in Nigeria, dedicated to addressing the country’s pressing health challenges through innovative, evidence-based solutions. Established as a public interest development organization, C-Circle focuses on bridging the gap between research and practical interventions in environmental health and sustainability.
To be Nigeria’s leading consulting firm in advancing environmental health and sustainability, driving transformative change through research, advocacy, and actionable strategies that improve public health, protect natural resources, and promote a thriving, sustainable future.
To provide innovative, evidence-based solutions that address Nigeria’s environmental health and sustainability challenges, empowering communities, businesses, and governments to create healthier and more sustainable ecosystems for present and future generations.
Years of Experience
Installations
C-Circle is committed to driving transformative change through its comprehensive suite of services and impact areas. These focus on improving environmental health and fostering sustainability to address Nigeria’s unique challenges.
As a leading health and environmental consulting firm in Nigeria, we are committed to driving measurable progress in environmental health and sustainability.

Onshore wind farm established amidst mountainous terrain, utilizing natural wind patterns to generate renewable energy for the local grid, contributing to more sustainable power supply.
80
200 MW
480 Days

Offshore wind farm constructed to harness the powerful coastal winds, providing clean energy to nearby communities and significantly reducing the region's carbon footprint.
50
150 MW
360 Days
Explore what our satisfied clients have to say about their experiences with our clean energy services.
Dr. Chimere Ohajinwa is the visionary founder of the C-Circle Foundation for Sustainable Environment and Health, a non-profit organization championing environmental sustainability and public health in Nigeria. A dedicated advocate for environmental consciousness, Dr. Ohajinwa brings extensive expertise in environmental health, sustainable development, and community-driven initiatives.
Principal Partner
“Greenglow expertise and dedication have revolutionized our energy supply, fostering a more sustainable and environmentally conscious approach to power generation.”
CEO Coastal Energy Co.
Solar energy offers clean, renewable power, reducing electricity costs, decreasing dependence on traditional energy sources, and contributing to a more sustainable environment.
Wind power harnesses the kinetic energy of the wind, generating electricity without emitting greenhouse gases, thereby promoting a cleaner and more sustainable energy ecosystem.
Hydroelectricity provides a consistent and reliable source of renewable energy, offering grid stability, flexibility, and a sustainable alternative to traditional fossil fuel-based power generation.
Bioenergy utilizes organic materials, such as agricultural waste and organic byproducts, to generate heat and electricity, reducing reliance on non-renewable resources and contributing to a circular economy.
Yes, we specialize in tailoring renewable energy solutions to meet the unique energy demands of residential, commercial, and industrial clients, ensuring optimal efficiency and cost-effectiveness.
Our experts analyze energy requirements, site conditions, and regulatory considerations to develop integrated solutions that maximize the benefits of solar energy, wind power, hydroelectricity, and bioenergy in a unified and sustainable energy framework.