Welcome to Harp Renewables.
Innovating the Future of Organic Waste Management.
Born from a unique blend of electrical engineering and biotechnology, Harp Renewables is backed by over 20 years of global experience in managing organic waste and designing sustainable treatment solutions. Today, we are recognized worldwide for our leadership in thermophilic aerobic digestion and high-performance waste-conversion technologies.
Our advanced Harp Biodigesters transform food and other organic waste into a clean, safe, nutrient-rich bio-fertilizer in just 24 hours, reducing waste volume by up to 85% and eliminating the need for costly, carbon-intensive disposal methods.
Fast, clean, and environmentally responsible, Harp Renewables delivers smarter, scalable solutions that help organizations cut emissions, reduce operating costs, and turn waste into real value.
DIGESTERS CURRENTLY ACTIVE
TONS OF WASTE DIVERTED FROM LANDFILL
TONS OF GREENHOUSE GAS EMISSIONS SAVED
Harp Biodigester Range
Who we work with
Our latest news
Empowering Schools: How the ESD Grant Supports Sustainability Projects
Make Your School a Hub for Sustainable Learning with the Harp Home Composter Schools across Ireland can now take advantage of the Education for Sustainable Development (ESD) Grant, receiving €1,000–€2,500 to introduce projects that teach sustainability while reducing...
National Food Waste Recycling Week 2025 Shines Spotlight on Growing Waste Crisis
National Food Waste Recycling Week 2025: Addressing Irelands Persistent Challenge National Food Waste Recycling week is running this week 1st to 8th of June 2025, led by the Environmental Protection Agency (EPA) and supported by MyWaste.ie, aiming to raise awareness...
Bringing Sustainable Solutions To New Markets With Interzero
Harp Renewables is delighted to announce the expansion of our partnership with Interzero, a leading European provider of circular economy and waste management solutions. Already a well-established sustainability partner across multiple European countries, Interzero...




