Circularity Water & Energy

Circularity Water & Energy
Pioneering Sustainable Solutions for Water, Energy & a Circular Future
We deliver nature-based wastewater treatment, agrivoltaics, biogas, and waste-to-energy technologies — creating lasting environmental, social, and economic impact worldwide.
About Us
Circularity Water and Energy Ltd (CWE) is a leading provider of sustainable, nature-based solutions for waste and wastewater treatment, alongside pioneering agrivoltaics and agro-solar projects. We are dedicated to creating a more circular and sustainable future.
Developing Innovative Technologies
We research, design, and implement cutting-edge solutions for waste management, water treatment, and renewable energy generation.
Prioritizing Sustainability
Our focus is on minimizing environmental impact, conserving resources, and promoting ecological balance.
Collaborating with Partners
We work closely with governments, NGOs, and local communities to ensure our projects deliver maximum social and economic benefits.
Our Core Offerings
Nature-Based Wastewater Treatment
Comprehensive consulting, design, engineering, and project management for Agriculture, Aquaculture, Mining, Industrial, and Municipal sectors. We utilize natural processes to treat wastewater effectively and sustainably.
Agrivoltaics & Agro-Solar Projects
Cutting-edge solutions integrating solar energy production with agricultural activities — maximizing land use efficiency, improving climate resilience, and enhancing food security.
Waste2Watts AD System
Our flagship technology transforms organic waste into renewable energy (biogas), high-quality organic fertilizer, and reduced greenhouse gas emissions. Modular, scalable, and self-sustaining.
Biogas Technology
Advanced large-scale biowaste recycling processing 10–400 metric tonnes per day. Our proprietary three-phase fermentation process maximizes resource recovery and environmental sustainability.
Waste to Bioethanol
Patent-applied process converting biomass waste into fuel-grade ethanol. Energy-efficient, water-conserving, and carbon neutral — from waste diversion to final bioethanol output.
Why Choose Circularity Water and Energy?
150+
Years of Collective Biogas Expertise
35+
Countries with Water & Wastewater Projects
25 GW
Energy Capacity Delivered by Our Team
400 MT/day
Max Organic Waste Processing Capacity
Cost-Effective
Competitive pricing and efficient operation minimize project costs.
CE-Certified
Meets rigorous European safety and quality standards.
Scalable & Modular
Easily adapted to meet diverse project requirements and expand as needed.
Mobile & Deployable
Containerized design for easy transportation and installation in remote locations.
Self-Sustaining
Designed to operate independently with minimal external support.
Key Initiatives
Agro-Solar / Agrivoltaics Demonstration Project
Aimed at addressing food and energy security challenges in developing countries
Features advanced technologies in waste/wastewater recycling, agriculture, aquaculture, and animal husbandry
Includes a training platform to empower local communities
Designed as a replicable model for widespread adoption in various regions
Innovative Waste Incineration
Our One-Stop Solution for Municipal Solid Waste (MSW) Recycling features an Eco-Friendly Incinerator that converts municipal solid waste into zero waste without any pollution. Advanced incineration with zero harmful emissions, meeting global environmental standards.
Technology & Collaboration
We offer a comprehensive technology package for sustainable development projects and actively seek joint venture opportunities with partners worldwide to expand our impact.
Our Leadership Team
CWE is led by a world-class team of experts spanning renewable energy, water engineering, biotechnology, finance, and sustainable development.
Mani Vannan — Founder & CEO
40+ years in international business, finance, and renewable energy; raised over US$1 billion for energy and infrastructure projects globally.
Robert Eric Kottler (Bob) — Chairman & Water Sector Advisor
Professional Civil Engineer with 40+ years designing major water and wastewater schemes across 35+ countries.
Prof. Marcel Jansen Ph.D. — Senior Advisor
Professor at University College Cork, leading the Duckweed Project and Plant Ecophysiology Research Group.
Mr. L. Venkadasamy (Samy) — Senior Advisor, Power Engineering
Founder & MD of ENMAS Group; 30+ years in power, cement, water, and renewable energy sectors.
Prof. Dr. Simon John Davies — Scientific Adviser
Professor Emeritus at Harper Adams University; 36+ years in aquaculture, fish nutrition, and biosciences.
Vine Mwense — Investment Director
20+ years in project finance and private equity; CEO of PASH Global, delivering 25 GW of energy capacity worldwide.
M Gopikrishna — Co-founder & Director
Software, robotics, AI & ML engineer passionate about circular economy, food, water & energy security.
Dr. Anna Selvan John — Senior Advisor, Solar Technology
Pioneer in solar PV technology; Founder & CEO of NanoPV Solar Corporation with 30+ years of experience.
Constantin Klyk — Senior Consultant, Agrivoltaics
Decade of experience in Agri-PV; founder of Agri-PV Consulting and author of the IET Agrivoltaics textbook.
Dr. Jefter Mxotshwa — Country Manager, South Africa
25+ years in leadership consulting and organizational development across Africa; DBA from Leeds University.
Global Presence
CWE operates across multiple continents with dedicated Country Managers and local partners ensuring on-the-ground expertise and community engagement.
Africa
South Africa — Dr. Jefter Mxotshwa
Tanzania — Mr. Godbless Bonny George
Zimbabwe — Mr. Neil Van Der Merve
Zambia — Mr. Kalinde Mpende
Burkina Faso & Guinea-Conakry — Mr. Simbou Traore
Gambia — Dr. Sambu Kateh
Middle East & North Africa
Egypt & Saudi Arabia — Mr. Haytham Abou El Nasr
Europe
Business Development Manager (Europe) — Mike Egan
Our Consortium Partners
We collaborate with world-leading academic institutions, engineering firms, and technology companies to deliver integrated, high-impact solutions.
noblQ Ventures USA
STATCON ENERGIAA
University College London (UCL)
University College Cork (UCC)
ULTRACLEAN
VIKRAN Engineering Limited
ENMAS India
Danish Rootzone Transform
Global Renewables Alliance
NanoPV Solar
Get In Touch
Partner with us to build a more sustainable, circular future.
 partnerships@circularitywaterenergy.com
 investors@circularitywaterenergy.com
 sales@circularitywaterandenergy.com
 www.circularitywaterenergy.com
 Circularity Water & Energy Limited
71-75 Shelton Street
London
WC2H 9JQ
Circularity Water and Energy Ltd is actively seeking joint venture opportunities, government partnerships, and project collaborations worldwide. Reach out to explore how we can work together.