Welcome to Greenway Renewable Energy Implementation Organization

Turning Waste into Sustainable Energy

We believe in transforming everyday waste into a source of clean, renewable power.
Our biogas initiative is at the heart of our mission — to build a greener today and a brighter tomorrow by promoting sustainable, community-driven energy solutions.

🌿 What is Biogas?

Biogas is a renewable energy source produced from the anaerobic digestion of organic materials such as cow dung, poultry litter, crop residues, food waste, and other biodegradable matter.
In this natural process, microorganisms break down organic waste in an oxygen-free environment inside a biogas digester, generating a mixture primarily composed of methane (CH₄) and carbon dioxide (CO₂).

This gas can be used for cooking, heating, electricity generation, and even as vehicle fuel once refined. The by-product, known as bio-slurry, is a nutrient-rich organic fertilizer that enhances soil fertility and boosts agricultural productivity—creating a circular, waste-free economy.

⚙️ Our Biogas Technology and Approach

At GREIO, we design, build, and maintain biogas systems tailored to the energy needs of rural households, farms, and institutions. Our solutions emphasize affordability, reliability, and sustainability using locally available materials and community participation.

  • 🏠 Domestic Biogas Plants: Compact systems for individual homes or small farms.
  • 🏭 Community Biogas Systems: Larger units that serve multiple households or small industries.
  • 🚜 Agricultural Biogas Plants: Designed for efficient utilization of animal manure and crop residues.
  • 🔋 Institutional Biogas Units: Custom-built for schools, hospitals, and local government facilities to reduce energy costs and carbon emissions.
⚡ Why Biogas Matters
  • 🌾 Rural Empowerment: Provides dependable, affordable energy for households and small industries.
  • 🌍 Environmental Protection: Reduces greenhouse gas emissions and mitigates waste pollution.
  • 🐄 Waste to Wealth: Converts organic waste into clean energy and organic fertilizers.
  • 💰 Economic Savings: Lowers dependency on imported and non-renewable fuels.
🌍 Environmental and Social Impact

GREIO’s biogas initiatives create tangible, measurable impact across multiple sectors:

  • ♻️ Waste Management: Reduces organic waste and prevents soil and water contamination.
  • 🌤️ Climate Change Mitigation: Cuts methane emissions, contributing to global warming reduction.
  • 🧑‍🌾 Rural Development: Ensures energy security and decreases reliance on firewood and fossil fuels.
  • 🪴 Organic Fertilizer Production: Bio-slurry improves soil health and crop yields, reducing chemical fertilizer dependency.
  • 👩‍👩‍👧‍👦 Health & Gender Impact: Reduces indoor air pollution and lessens the burden on women for collecting firewood.
GREIO’s Commitment

Our vision is to make biogas a mainstream renewable energy solution that fosters energy independence, rural empowerment, and environmental restoration.

We collaborate with local communities, government agencies, and development partners to expand access to clean energy through awareness, capacity building, and innovation.

Our core strategies include:

  • 🔧 Capacity Building: Training technicians, farmers, and youth in biogas design, installation, and maintenance.
  • 💬 Community Engagement: Promoting sustainable waste management and household-level energy awareness.
  • 🤝 Partnership Development: Building networks among public, private, and nonprofit stakeholders to scale impact.
🌱 Our Long-Term Goals
  • Expand biogas coverage across rural and peril-urban areas of Bangladesh.
  • Integrate biogas with solar and biomass systems for hybrid renewable solutions.
  • Advocate for renewable energy policies and incentives supporting rural development.
  • Foster green entrepreneurship by nurturing local innovators and startups in the renewable energy sector.
Our Belief

At GREIO, we believe every household can be an energy producer.

By turning waste into a valuable resource, we are paving the way for a resilient, self-reliant, and sustainable future truly living our motto:

“Greener today, Brighter tomorrow.”