A Social Business

making biogas accessible

Learn More

– Corona Special – 

Online Training

watch video message by (B)energy founder Katrin Puetz


Sign Up for Online Training

Next Biogas Trainings

in Europe and Africa


we are

Our growing team of social entrepreneurs makes biogas technology available in more and more countries



we do

We sell opportunity! Our biogas products are locally accessible and provide more than clean energy for cooking


it works

 Our mobile biogas solutions produce, store, transport, and use biogas for cooking from organic waste


it matters

Business opportunities in the renewable energy sector make people independent and save the environment


Places we have energized

Waste management and biogas sale, Toffo, Benin

Biogas for Refugees, Ethiopia

Biogas Sale is a Business, Arsinegele, Ethiopia

Biogas for CITY-zens, Addis Ababa, Ethiopia

School Biogas, Kirenge, Rwanda

Mobile Biogas, Malata, Malawi

Gaushala, Orchha, India

Neighbourhood business, Nakuru, Kenya

Out of University, Bukavu, DR Congo

News and Happenings

Presentation at the “fair week” in Gevelsberg

“During her presentation, Katrin Pütz also explicitly addressed the living situation of people in poorer and more remote countries. The misunderstanding of…

Biogas backpack in the museum for applied art Cologne – MAKK, ökoRausch festival until 24.9.2020

I share the Vision of Muhammad Yunus: poverty should be something we can only find in museums. While we work on reaching…

Greenpeace Magazin

GREENPEACE MAGAZINE – we are honored to be featured in the current Greenpeace magazine! “Instead of being supplied with biogas technology through…

Corona Times – (B)angels, we need you!

Corona is both a challenge and a great opportunity! We at (B)energy use this moment to focus on what makes (B)energy the…

Ethiopian Business Delegation visits (B)energy in Cologne

(B)energy happily welcomes business delegations of countries with interest in and potential for household biogas production. A combination of a presentation about…

Biogas training in Benin, 3.- 5.12.2019

A rare opportunity to participate in biogas training: (B)energy offers a 3-day biogas training in Benin Republic, West Africa, for future business…


(B) in contact

Germany: +49 221 2761840, +49 01578 3910019 (mob)


send a message: