October 26-27, 2026 | Kigali, Rwanda
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ARE YOU READY FOR A THIRD EDITION OF OSEAS?
EnAccess and the World Resources Institute are thrilled to announce the third edition of OSEAS — this time joining forces with Carnegie Mellon University Africa.
Get ready for a high-energy gathering where innovators, entrepreneurs, and leaders from across the energy access ecosystem come together to spark ideas, accelerate solutions, and build powerful collaborations.
Mark your calendar—you won’t want to miss this!
ABOUT THE OPEN SOURCE IN ENERGY ACCESS SYMPOSIUM
The Open Source in Energy Access Symposium (OSEAS) is the first global event dedicated to harnessing Open Source technologies to accelerate universal energy access. Co-organized by EnAccess and World Resources Institute (WRI), OSEAS has quickly become a flagship global gathering for open innovation in the energy sector.
The first edition took place in 2024 in Abuja, Nigeria, marking a groundbreaking moment in uniting global stakeholders.
The second edition, hosted in 2025 in Nairobi, Kenya, which drew even greater momentum.
Due to overwhelming demand from participants and partners, OSEAS is now set to become an annual event. The third edition will take place on October 26-27, 2026 in Kigali, Rwanda.
OSEAS 2026 will once again unite global policymakers, entrepreneurs, industry leaders, tech innovators and the Open Source Community to explore challenges, seize opportunities and create synergies. Based on your valued feedback, we’ve enhanced this year’s program with:
Expanded working group sessions
Dedicated poster exhibition space
Product fair
A donor roundtable
An improved hackathon experience
Site visit
Open Source technology and tools have been transforming the Energy Access landscape - enhancing interoperability, boosting cost efficiency, and ensuring high quality. However, it’s only recently that their full potential has started to shine through. By accelerating collaboration and dialogue, OSEAS 2025 aims to push us closer to universal energy access.
Interested in supporting OSEAS 2026? Sponsorship opportunities are available. Learn more here.
Who should join
Academia, researchers, clean energy entrepreneurs and businesses, NGOs and civil society, distributed renewable energy companies, donors, global policy makers, government agencies, open source enthusiasts, open source community members, technology innovators, ...
Why join
True progress stems from the collaboration between diverse voices. Meet with and learn from a variety of energy access and open source stakeholders to problem-solve, discuss and collaborate.
OSEAS 2025 TESTIMONIALS
The sessions were insightful, speakers were great, topics were diverse, and the networking opportunities were fantastic. I had the pleasure of connecting with numerous like-minded professionals. The atmosphere was vibrant, and the positive energy and learning environment was great throughout the symposium.
Thank you once again for your invitations and the space created to share our work with the energy community.
Caroline Akoth - Senior Consultant - CPCS
A week has passed, and I am still processing all the information from the various sessions, comments, posters, and innovative ideas shared by bright young minds during the hackathons. We could have benefited from three 3-day symposia followed by a site visit. Congratulations to everyone involved; OSEAS 2025 was exceptionally well organized. Cheers to OSEAS 2026!
Emma Laswai, Deputy Executive Secretary Tanzania Renewable Energy Association
After attending OSEAS 2025 and engaging with open source tools and technologies, I was deeply inspired by the possibilities they present in transforming energy access. Witnessing your leadership and contributions to open source applications in Kenya was truly motivating. I am eager to get involved in this journey and be part of advancing open source solutions in rural electrification efforts.
Sao Fidel, REREC
OSEAS2025 was amazing! The energy, innovation, and shared purpose you have described are truly inspiring, proof that open-source collaboration is not just a tool but a movement for equitable energy access.
The work showcased, from Makueni County’s solarized solutions to the lightning-speed innovations of the hackathon, strengthens my belief that together, we can bridge the gap between policy, technology, and community impact. As someone deeply invested in energy modeling, project implementation, and manpower development, I am thrilled by the symposium’s outcomes and eager to contribute to this growing community.
Count me in as a committed ally for the next edition and beyond. I would love to explore how my expertise in data-driven policy design and scalable project management can support OSEAS’s mission. Let us keep the momentum going, because when we combine open tools with open collaboration, change is not just possible; it is inevitable.
Thomas Ageebee, Chief Scientific Officer, Energy Commission Nigeria
Such an amazing platform allowing a space for the growing African modelling community to engage.
Prof. Mark Howells, Program Director, Climate Compatible Growth
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