SEC Leadership Team

Meet the dedicated researchers, academics, and practitioners driving sustainable energy innovation

SEC Director

Samuel Dodobatia Wetajega

Samuel Dodobatia Wetajega

SEC Director — Sustainable Energy Centre, BTU

Qualifications: MPhil in Renewable Energy Technologies

Areas of Expertise: Renewable energy systems, smart grid technologies and sustainable rural electrification

Contact: swetajega@bolgatu.edu.gh

Brief Bio

Samuel Dodobatia Wetajega serves as Director of the Sustainable Energy Centre and lecturer in the Department of Electrical and Electronics Engineering at Bolgatanga Technical University, Ghana. His areas of expertise include electric mobility, renewable energy, energy policy, hydrogen technology, and power quality. He holds an MPhil in Renewable Energy Technologies from Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana, and a BSc in Renewable Energy Engineering from the University of Energy and Natural Resources (UENR), Sunyani, Ghana. He is currently pursuing a PhD at the Technical University of Munich, Germany, and KNUST, Kumasi, Ghana.

He possesses extensive academic and industry experience, having served as a Renewable Energy Engineer at the ECOWAS Centre for Renewable Energy and Energy Efficiency in Santiago Island, Cape Verde; a Climate Change and Sustainable Young Scientist in Munich; a Site Engineer at the Volta River Authority; a Research Assistant at the Brew Hammond Energy Centre, KNUST, Kumasi; and a Steering Committee Member for the Africa-Europe Green Hydrogen initiative.

Research Interests & Specialization

His research actively covers renewable energy systems, smart grid technologies, and sustainable rural electrification, with an expanding portfolio of peer-reviewed journal and conference publications. His work emphasizes the application of machine learning and hybrid energy systems to address energy access challenges in rural and underserved communities, particularly within Africa. Through a multidisciplinary approach, he integrates analytical modelling, energy system optimization, and sustainability-driven innovation to advance resilient and efficient energy infrastructures.

Select Publications

  • 2026
    Samuel Dodobatia Wetajega, Ayetor, G. K., Moussa, S., Opoku, R., Effah, F. B., Rosner, P., & Sekyere, C. K.
    Assessing the technical readiness of Ghana's distribution grid for electric vehicle integration: A case study revealing transformer overload and harmonic violations
    Results in Engineering, 30(April), 110922
    DOI: 10.1016/j.rineng.2026.110922
  • 2026
    Gidphil Mensah, Richard Opoku, Francis Davis, George Yaw Obeng, Oliver Kornyo, Daniel Marfo, Michael Addai, Jesse Damptey, Samuel Dodobatia Wetajega
    Machine learning-assisted innovative charging strategy for e-mobility in rural communities operated by redundant energy on solar PV mini-grids
    DOI: 10.1016/j.ecmx.2026.101591
  • 2026
    Boamah, P. O., Gyaang, R., Onumah, J., Agyemanh, D., Gookyi, N., Wulnye, F. A., Samuel Dodobatia Wetajega, Afoakwah, N. A., & Yakubu, S.
    Wind-Powered Irrigation: Revolutionizing Agriculture and Carbon Credit in Arid and Semi-Arid Regions (Book Chapter)
    Springer, Singapore
    DOI: 10.1007/978-981-95-1483-0_12

Head, Short Courses & Capacity Building

Ing. Asaah Philip

Ing. Asaah Philip

Head, Short Courses & Capacity Building — SEC, BTU

Qualifications: Master of Engineering in Electrical Engineering & Automation

Areas of Expertise: Power Systems and Renewable Energy

Contact: pasaah@bolgatu.edu.gh

Brief Bio

Ing. Asaah Philip, PE-GhIE is a Ghanaian electrical engineer, lecturer, and renewable energy specialist with extensive experience in power systems, broadcasting technology, and automation. He holds a Master of Engineering in Electrical Engineering & Automation from Nanjing Tech University, China, where he specialized in renewable energy and smart grid control systems. He has dedicated over a decade to the Ghana Broadcasting Corporation, overseeing transmission systems, power management, and technical operations. He is a member of the Ghana Institution of Engineering (GhIE) and the Association of Energy Professionals (AEP-Gh).

Research Interests

Power Systems, Wind/Solar Power Generation, Smart Grid Systems, Power Integration and Control Science. He focuses on developing effective, efficient and sustainable solutions across energy, infrastructure, and interdisciplinary engineering fields.

Select Publications

  • 2026
    Williams Brobbey; Alhassan Bismark; Philip Asaah; Patrick Appiah
    A Quantitative Evaluation of Grid-Forming Inverters for Frequency Stability
    IJISRT
    DOI: 10.38124/ijisrt/26feb1029
  • 2021
    Philip Asaah, L. Hao and J. Ji
    Optimal Placement of Wind Turbines in Wind Farm Layout Using Particle Swarm Optimization
    Journal of Modern Power Systems and Clean Energy, 9(2), 367-375
    DOI: 10.35833/MPCE.2019.000087

Head, Grants & Research

Ing. Sufyan Yakubu

Ing. Sufyan Yakubu

Head, Grants & Research — SEC, BTU

Qualifications: MSc Energy Engineering

Areas of Expertise: Renewable Energy and sustainable energy transitions

Contact: syakubu@bolgatu.edu.gh

Brief Bio

Sufyan Yakubu is a dedicated technical expert, practitioner and academic in the field of sustainable energy specializing in energy systems optimization and modelling, decentralized solar energy, solar photovoltaic, hybrid energy systems and floating PV systems. He has collaborated with leading experts and institutions, advancing knowledge in energy efficiency and conservation, floating PV, Solar PV efficiency, decentralized blockchain energy trading and hybrid energy systems. Through both research and practice, Sufyan works at the intersection of technology, policy and community empowerment, advancing practical solutions that drive inclusive and sustainable energy transitions.

Research Interests & Specialization

His research advances sustainable and decentralized energy systems through optimization, modelling, and data-driven innovation. His work spans solar photovoltaic (PV) performance enhancement, floating PV and hybrid renewable energy systems, machine learning applications in energy optimization, decentralized mini-grid systems, and blockchain-enabled energy trading — particularly focused on improving energy access, system efficiency, and long-term sustainability in emerging and underserved regions.

Select Publications

  • 2024
    Dzamesi, S. K. A., Ahiataku-Togobo, W., Yakubu, S., et al.
    Comparative performance evaluation of ground-mounted and floating solar PV systems
    Energy for Sustainable Development, 80, 101421
    DOI: 10.1016/j.esd.2024.101421
  • 2025
    Yakubu, S., Samikannu, R., Yahya, A., et al.
    Feasibility design, comparative evaluation, and energy consumption prediction of standalone hybrid energy system for rural electrification in Ghana using machine learning models
    Results in Engineering, 25, 104269
    DOI: 10.1016/j.rineng.2025.104269
  • 2025
    Yakubu, S., Tedla, T. S., Gawusu, S., et al.
    Hybrid energy system as driver of sustainable rural development: Tulefa Energy Village, Ethiopia
    Energy Nexus, 18, 100434
    DOI: 10.1016/j.nexus.2025.100434

Lead, Power & Energy Efficiency

Abdul-Majid Issah Malori

Abdul-Majid Issah Malori

Lead, Power & Energy Efficiency — SEC, BTU

Qualifications: MPhil Electrical and Electronics Engineering

Areas of Expertise: AI for Sustainable Power System Engineering

Contact: issahmalori@bolgatu.edu.gh

Brief Bio

Abdul-Majid Issah Malori is a Distinguished Researcher and a lecturer of Electrical and Electronics Engineering at Bolgatanga Technical University. He teaches Intermediate Electrical Machines, Power Generation and Supply, Power Systems Analysis and Power Electronics to upper division undergraduates.

Research Interests

Sustainable Power System Engineering, Artificial Intelligence, Power System Reliability, and Power Market and economics. He focuses on developing innovative, reliable, and sustainable solutions across energy, infrastructure, and interdisciplinary engineering domains.

Select Publications

  • 2026
    Christopher D. Naya, Elvis Twumasi, Eliel Keelson, Abdul-Majid Issah Malori
    A lightweight frequency-aware enrichment module (FAEM) architecture for tiny insulator defect detection
    AIMS Electronics and Electrical Engineering, 10(2), 205-239
    DOI: 10.3934/electreng.2026009
  • 2020
    J. Oteng-Adjei, A.-M. I. Malori and E. K. Anto
    Generation System Expansion Planning Using Loss of Load Expectation Criterion
    2020 IEEE PES/IAS PowerAfrica, Nairobi, Kenya, pp. 1-5
    DOI: 10.1109/PowerAfrica49420.2020.9219822

Lead, Artificial Intelligence & Robotics

Ing. Dr. Raymond Gyaang

Ing. Dr. Raymond Gyaang

Lead, Artificial Intelligence & Robotics — SEC, BTU

Qualifications: PhD in Telecommunication Engineering

Areas of Expertise: Telecommunication and AI for smart systems

Contact: rgyaang@bolgatu.edu.gh

Brief Bio

Ing. Dr. Raymond Gyaang is a Telecommunication Engineer and lecturer in the Department of Electrical and Electronics Engineering at Bolgatanga Technical University with expertise spanning RF/Telecom engineering, embedded sensor design, and wireless transceiver systems. He holds a PhD in Telecommunication Engineering from KNUST, an MEng in Mobile Convergence Engineering from Hanbat National University, South Korea, and a BSc in Computer Science and Engineering from the University of Mines and Technology, Tarkwa.

He has extensive academic and industry experience, including research roles in South Korea and technical appointments in Ghana. His research interests focus on six-port network noise analysis, biomedical device characterisation, IoT-based embedded sensors, and high-performance wireless systems. A member of the Ghana Institution of Engineering and IEEE, he is recognised for his contributions to sustainable technology, sensor development, and applied research in telecommunications and smart systems.

Select Publications

  • 2025
    Abdul-Gafaar, S., Boamah, P. O., Onumah, J., Sam, F., Gyaang, R., et al.
    Integrating Machine Learning and Drone Technology for Precision Agriculture
    Environmental Challenges, 101393
    DOI: 10.1016/j.envc.2025.101393
  • 2024
    Dennis Agyemanh Nana Gookyi, Fortunatus Aabangbio Wulnye, et al., Raymond Gyaang
    TinyML for smart agriculture: Comparative analysis of TinyML platforms for maize leaf disease identification
    Smart Agricultural Technology, 8, 100490
    DOI: 10.1016/j.atech.2024.100490
  • 2020
    Gyaang, R., Lee, D-H., and Kim, J.
    Analysis and design of harmonic rejection low noise amplifier with an embedded notch filter
    Electronics, Vol. 9
    DOI: 10.3390/electronics9040596

Lead, E-Mobility & Green Transport

Christopher Dabire Naya

Christopher Dabire Naya

Lead, E-Mobility & Green Transport — SEC, BTU

Qualifications: MPhil in Electrical Power Systems Engineering

Areas of Expertise: AI and Machine Learning for smart grid and sustainable green mobility

Contact: cnaya@bolgatu.edu.gh

Brief Bio

Christopher Dabire Naya is an Electrical and Electronic Engineer and academic with specialized expertise in Power Systems Engineering. He holds an MPhil in Electrical Power Systems Engineering from KNUST and serves as an Assistant Lecturer in the Department of Electrical and Electronic Engineering at Bolgatanga Technical University. His work focuses on advancing research, innovation, and practical solutions in intelligent power and sustainable green mobility systems.

Research Interests

Artificial Intelligence and Machine Learning, smart and embedded systems, Internet of Things (IoT), and data-driven intelligent technologies for real-world applications. He focuses on developing innovative, reliable, and sustainable solutions across energy, infrastructure, and interdisciplinary engineering domains.

Select Publications

  • 2026
    Christopher D. Naya, Elvis Twumasi, Eliel Keelson, Abdul-Majid Issah Malori
    A lightweight frequency-aware enrichment module (FAEM) architecture for tiny insulator defect detection
    AIMS Electronics and Electrical Engineering, 10(2), 205-239
    DOI: 10.3934/electreng.2026009

Research Fellows

The SEC houses a growing cohort of Research Fellows across its technical units.

Engr. Patrick Appiah

Engr. Patrick Appiah

Research Fellow, Power & Energy Efficiency

MPhil Electrical Power Systems Engineering

Smart metering systems technologies, harmonics injection and mitigation, AI applications.

Assistant Lecturer in the Department of Electrical and Electronic Engineering at BTU.

✉ pappiah@bolgatu.edu.gh
Nabzoh Charles Laafe

Nabzoh Charles Laafe

Research Fellow, Power & Energy Efficiency

Master of Technology in Electrical Engineering

Reliability enhancement and load flow optimization through DG integration. Certified Electrical Wiring Professional Inspector, Energy Commission.

Chief Technologist in the Department of Electrical and Electronic Engineering at BTU.

✉ cnabzoh@bolgatu.edu.gh