Aid by Sector
REPP - Renewable Energy Performance Platform
UK - Foreign, Commonwealth Development Office (FCDO)
The Renewable Energy Performance Platform (REPP) is a private finance investment vehicle which mobilises private sector development activity and investment into small- to medium-scale renewable energy projects across sub-Saharan Africa. This is through providing technical assistance, development capital and ‘viability gap’ financing, giving communities access to clean energy supplies and avoiding greenhouse gas emissions. REPP was initially set up by the Department for Business, Energy & Industrial Strategy (BEIS) in 2015 but was transferred to the FCDO in 2022. REPP consequently has a separate DevTracker account under BEIS which can be found here - https://devtracker.fcdo.gov.uk/programme/GB-GOV-13-ICF-0013-REPP/summary.
Increasing renewable energy and energy efficiency in the Eastern Caribbean
UK - Foreign, Commonwealth Development Office (FCDO)
To increase the use of renewable energy and energy efficiency measures and to improve energy security in the Eastern Caribbean
Pacific Clean Energy Programme
UK - Foreign, Commonwealth Development Office (FCDO)
The Pacific Clean Energy Programme (PCEP) will support increased investment in renewable energy, and aims to improve access to electricity, increase the proportion of electricity from renewable sources, and reduce greenhouse gas emission.
Climate Smart Development for Nepal
UK - Foreign, Commonwealth Development Office (FCDO)
This will help Nepal to cope with impacts of climate change (CC) and promote clean development. It will provide strategic support to the Govt of Nepal to design and implement CC policies, to integrate resilience throughout government planning. This will:Improve resilience of 700,000 poor & vulnerable people (especially women) to floods, landslides, droughts in most remote districts;Improve resilience of businesses in 5 growing urban centres & 3 river basins through investments in urban planning, large scale irrigation systems & flood management;Facilitate connection of over 25,000 households to new micro-hydro power installations; connect over 70,000 homes to solar power & install RET in more than 200 schools/health clinics;Develop industry standard for ‘clean’ brick production and enable over half of the brick kilns (at least 400) to adopt more efficient technologies;Improve design of future CC programming & beyond through generation of world class evidence
Clean Energy Innovation Facility (CEIF)
UK - Department for Energy Security and Net Zero
ODA grant funding that supports clean energy research, development & demonstration (RD&D) to help improve the performance of innovative technologies, and to accelerate the clean energy transition to avoid the most severe impacts of climate change in developing countries
Accelerate to Demonstrate (A2D)
UK - Department for Energy Security and Net Zero
The A2D programme contributes to the UK’s £1bn Ayrton Fund commitment to accelerate clean energy innovation in developing countries. A2D will focus on developing innovative technology-based solutions particularly through transformational “lighthouse” pilot demonstration projects in four thematic areas: critical minerals, clean hydrogen, industrial decarbonisation and smart energy.
Climate Investment Funds (CIFs)
UK - Department for Energy Security and Net Zero
The $8 billion Climate Investment Funds (CIF) accelerates climate action by empowering transformations in clean technology, energy access, climate resilience, and sustainable forests in developing and middle income countries. The CIF’s large-scale, low-cost, long-term financing lowers the risk and cost of climate financing. It tests new business models, builds track records in unproven markets, and boosts investor confidence to unlock additional sources of finance.
Global Energy Transfer Feed-in Tariff (GETFiT)
UK - Department for Energy Security and Net Zero
The Global Energy Transfer for Feed-in Tariff (GET FiT) Programme was established in 2013 with the main objective of assisting Uganda to pursue a climate resilient low-carbon development path by facilitating private sector investments in renewable electricity generation projects. The support provided was expected to improve access to electricity and promote growth and economic development in Uganda and contribute to climate change mitigation.
Climate Public Private Partnership Programme (CP3)
UK - Department for Energy Security and Net Zero
The Climate Public Private Partnership Programme (CP3) aims to increase low carbon investment in renewable energy, water, energy efficiency and forestry in developing countries. By showing that Low Carbon and Climate Resilient investments can deliver competitive financial returns as well as climate and development impact, CP3 seeks to catalyse new sources of climate finance from institutional investors such as pension funds and sovereign wealth funds.
Rice Straw Biogas Hub
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Rice is the number 1 food crop globally: 91% of it is produced and consumed in Asia and it is the staple for more than half the world's population. However, for every kilogram of rice we eat, a kilo of straw is also produced. Not to be confused with husks, which cover the grains and are taken to a mill, the stems and leaves of the rice plant are left in the fields after harvest. Rice straw is difficult to remove from paddy fields, which are often flooded and in remote areas. It is high in silica, making it a poor fuel or animal feed. It is also not suitable to incorporate into flooded rice fields due to slow degradation and high greenhouse gas emissions, so burning is farmers' main option for clearing fields. Across Asia, a staggering 300 million tonnes of rice straw go up in smoke every year, releasing a lethal cocktail of gases and black carbon that triple risks of increased respiratory diseases and accelerate climate change. Rice is responsible for 48% of global crop emissions: more CO2e than the whole global aviation industry combined. A recent IFPRI study calculated the health costs of crop residue burning to be $30 billion annually in North India alone, rising to $190 billion in five years. To address this crisis a British SME, Straw Innovations Ltd, was started in 2016 as a spin-out from pioneering international research on the subject. The company's founder, Craig Jamieson, assembled consortia and secured Energy Catalyst co-funding to establish an industrial pilot plant in the Philippines, collecting rice straw and fermenting it to produce clean-burning methane gas. The whole system had to be specially designed since no existing technologies were suitable for the purpose. The plant is now operational, with many techno-economic breakthroughs. Local farmers strongly support it and are waiting for scale-up so they can benefit from its efficient, clean energy services. Rice is known as a "Poverty Crop" because farmers often struggle to afford energy-intensive equipment that could improve their yields add value to their crop. Therefore, this project will demonstrate a complete system of 500ha harvesting, straw removal, biogas-powered rice drying and storage plus efficient milling. The "Rice Straw Biogas Hub" will offer these as affordable, value-adding commercial services to the rice farmers, avoiding their need to buy and maintain expensive equipment, and enabling them to triple incomes whilst protecting the environment.
PyroPower Africa Stage 2
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
PyroPower is a containerised 100 kW waste to energy technology developed by PyroGenesys and ICMEA-UK in Energy Catalyst Round 6 (ECR6). The conversion of agricultural waste to renewable electricity, process heat and biofuels simultaneously, underpins PyroPower's novel multi-revenue ability to provide reliable, affordable, renewable electricity in off-grid communities. Project partner Mobinet will facilitate access to formal banking services, microfinance and credit using their SIMPAY mobile banking platform. Proactive engagement and facilitation of women farmers and women-owned and run businesses, and wider engagement with disadvantaged groups to ensure they are included and their specific priorities and needs are being met, will be prioritised by all partners. ATMANCorp owns a 700 hectare cassava farm and flour mill in Oyo State and will host the PyroPower pilot along with a Micro Enterprise Park (MEP) and guarantee the supply of agricultural waste. The pilot will provide biofuel to a 250kva genset used to generate power for the factory and MEP and supply culinary-grade steam used for sterilising food processing lines in the factory. Aston University will build on their biofuel work with PyroGenesys in ECR7, to develop a continuous liquid biofuels process for producing diesel and kerosene. Manufacturing methods required to scale up the process for commercial production, will be developed by ICMEA-UK. Introduction of these liquid biofuels to the Nigerian market, in the form of renewable alternatives to diesel and kerosene, will be managed by Ardova PLC, a major Nigerian hydrocarbon reseller that supplies petroleum products to around 500 filling stations across the country. Within 5 years of project start, lessons from the pilot will inform the rollout of 100 commercial PyroPower installations across Ardova's filling station network. Deploying Mobinet's SIMPAY payment platform will support cashless electricity purchases made using featureless mobile handsets with no internet access in communities selected by Ardova to host commercial PyoPower installations. The export of solid biofuels in the form of solid smokeless biochar briquettes as a renewable alternative to coal, will be managed by PyroGenesys ECR7 partner Coal Products Limited (CPL).
Bridging the Efficiency Gap of Metal vs Carbon back Electrode Perovskite Solar Cells to Support the Clean Energy Growth Transition in South Africa
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Affordable energy for all Africans is the immediate and absolute priority in the Sustainable Africa Scenario (SAS) 2030. According to the International Energy Agency (IEA) Africa Energy Outlook 2022 report, solar energy-based mini-grids and stand-alone systems are the most viable solutions to electrify rural areas, where over 80% of the electricity-deprived people live [1]. Though Africa has 60% of the best solar resources globally, it has only 1% of installed solar photovoltaic (PV) capacity. Thus more investment and effective solar PV capacity building is required in the region to make electricity from clean energy sources as the backbone of Africa’s new energy systems. The existing silicon PV technology alone cannot meet this demand as it is an expensive mature technology, with global materials security issues, and enormous quantities of PV waste with poor recycling options [2]. Emerging PV technologies such as halide perovskite solar cells combine the unique properties of high power conversion efficiency (>25 %), low-cost printability, and provision to adopt a circular economy to ensure a sustainable clean energy transition for the region [3,4]. Halide perovskite PV offers the lowest cost of solar PV to date (<32 $ per MW h) and it matches with the levelised cost of electricity by solar PV (18-49 $ per MWh) required in Africa in the Sustainable Africa Scenario, 2020-2030. However, the mainstream highly efficient halide perovskite solar cells (PSCs) use thermally evaporated metals such as gold (Au), silver (Ag), copper (Cu) etc as the back electrode. These metals account for 98 % of the cost, 65 % of the carbon footprint and 45 % of the energetic cost of perovskite solar cells [5]. Replacing these metal electrodes with carbon electrodes enhances the stability, scalability and commercialisation aspect of PSCs along with further reduction in cost and carbon footprint. However, carbon back electrode-based PSCs (c-PSCs) have consistently lower power conversion efficiency (PCE) compared to metal electrode-based PSCs (m-PSCs) (20 % vs 26 % efficiency comparison for 0.1 cm2 area devices) limiting their commercialisation. The proposed project aims to bridge the gap in power conversion efficiency between the carbon-back vs metal electrode-based PSCs and demonstrate low-cost and highly efficient (>15 %) printable carbon electrode-based mini modules (10 x 10 cm2). This aim will be realised by combining the strengths of know-how in the fabrication and device physics of efficient halide perovskite solar cells of UK-based physicists with the defect analysis strengths of African physicists. To bridge this efficiency gap, the challenges to overcome are (i) reducing the interfacial losses and (ii) efficient photon management inside the perovskite active layer and the research objectives are identified accordingly. The proposed aims and objectives will formulate the foundations for achieving the vision for the proposed project: to provide accelerated growth in the scale-up of cheaper and cleaner energy sources in South Africa to achieve Sustainable Africa Scenario 2030 through capacity building in cost-effective and efficient PSCs in the partnering institution (University of Pretoria) in South Africa. References: IEA Africa Energy Outlook 2022 Charles et al Energy Environ. Sci., 2023, 16, 3711 Carneiro et al Energy Reports 2022, 8, 475 Faini et al MRS BULLETIN 2024, 49 Zouhair Sol. RRL 2024, 8, 2300929
REACH-PSM: Resilient Renewable Energy Access Through Community-Driven Holistic Development in Perovskite Solar Module Manufacturing
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Context Energy inequality continues to hamper socio-economic growth in many African nations, where millions lack reliable access to electricity. Traditional energy sources are expensive, environmentally damaging, and dependent on external supplies, which limits their sustainability and accessibility. The REACH-PSM project (Resilient Renewable Energy Access Through Community-Driven Holistic Development in Perovskite Solar Module Manufacturing) aims to revolutionise energy access by enabling the local development and manufacturing of sustainable perovskite solar modules (PSMs) in Nigeria, Rwanda, Kenya, and South Africa. The Challenge With >500 million people in Africa without electricity, there is an urgent need for scalable, affordable, and environmentally sustainable energy solutions. Current renewable technologies, while beneficial, often fail to address local contexts and can result in significant environmental waste, particularly from end-of-life photovoltaic systems. The challenge lies in developing a localised manufacturing process for next-generation solar technology that is both cost-effective and sustainable, with simultaneous development of efficient end-of-life treatment to mitigate waste, allowing for widespread adoption across Africa. Aims and Objectives The REACH-PSM project seeks to accelerate the development and commercialisation of PSMs by focusing on the following objectives: Delivering commercially competitive low-cost manufacturing of PSMs in partner locations in Africa with a performance of >15% PCE and a lifetime of >10 years. Developing novel components of PSMs, and identification of domestic green supply-chains to enable regional manufacture and improve sustainability. Delivering PSMs designed for the circular economy with optimised end-of-life processing, minimising waste and maximising the circular flow of materials delivering enhanced commercial viability, sustainability, and resource security. Creating novel sustainable business models and community co-designed products that are suitable and appropriate for use. Potential Benefits The REACH-PSM project will accelerate the transforming energy access agenda in Africa by pioneering the development of locally manufacturable PSM, demonstrating the first next generation solar module manufacturing in Africa. This localised production will not only empower communities by fostering energy independence and creating jobs but also set a new standard for sustainable energy solutions. By utilising sustainable materials and processes, the project will also address the environmental challenges associated with traditional solar technologies, offering a more resilient and adaptable energy solution. Ayrton Challenge Areas The project addresses the Next Generation Solar Challenge Area. REACH-PSM advances perovskite technology, which offers the potential of more distributed solar manufacturing thanks to low-cost processing and manufacturing routes. REACH-PSM will collaborate across the Ayrton Fund portfolio to amplify impact. We will align with the Ayrton Challenge on Energy Storage, the LEIA programme, the Climate Compatible Growth Project, and the Zero Emission Generators initiative, exploring synergies in local manufacturing, circular economy principles, and sustainable energy solutions. ODA Compliance REACH-PSM is fully compliant with ODA criteria, as it directly addresses the economic and social challenges of Nigeria, Rwanda, Kenya, and South Africa—countries listed on the OECD DAC. By focusing on localised manufacturing and sustainable energy solutions, the project promotes economic development and improves the welfare of communities most in need. The expected outcomes include significant advancements in energy access, environmental sustainability, and economic empowerment, aligning with the broader goals of the UN Sustainable Development Goals (SDGs), particularly SDG7 (Affordable and Clean Energy) and SDG13 (Climate Action). We also seek to advance progress towards SDG5 (Gender Equality), SDG9 (Industry, Innovation, and Infrastructure), SDG10 (Reduced Inequality), SDG11 (Sustainable Cities and Communities) and SDG12 (Responsible Consumption and Production).
Potential of sub-seasonal Operational Weather and climate information for building Energy Resilience in Kenya (POWER-Kenya)
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Context and Challenges Kenya Vision 2030 identifies energy as a key infrastructural enabler for social and economic development, aiming for universal energy access and 100% renewable energy by 2030. Currently, 54% of Kenyans, and up to 84% in rural areas, lack access to sustainable modern energy, relying on traditional wood fuels for cooking and heating. Kenya's energy generation is particularly sensitive to weather variability, with nearly 50% of electricity coming from weather-sensitive sources like hydro, wind, and solar power. Achieving the ambitious goal of 100% renewables requires doubling the current capacity of these weather-sensitive sources. Despite the growing reliance on renewable energy, Kenya lacks reliable weather and climate information for effective energy planning, particularly on sub-seasonal timescales (weeks to months in advance). This gap impacts crucial decisions such as generator maintenance scheduling, international market trading, water conservation, and future energy storage management. In comparison, other regions like Europe have more advanced user-relevant tools for renewable energy decision-making. Aims and Objectives POWER-Kenya seeks to bridge the gap between Kenya's increasing dependence on weather-sensitive renewable energy and the lack of reliable weather and climate information to support energy planning. The project also aims to build capacity for integrated climate-energy research in Kenya. Its objectives are: Ob1: Deliver a step-change in the underpinning physical science to support affordable, clean energy by advancing understanding of sub-seasonal predictability of weather-sensitive demand and renewables. Ob2: Build combined climate-energy research capacity to continue improvements in maintaining reliable energy supply in Africa, facilitating the creation of risk-informed tools for energy decision-making to benefit both society and the economy. Acknowledging Kenya’s continent-leading capabilities in climate and energy fields individually, the POWER-Kenya project brings together UK and African expertise in electricity demand and renewable energy modelling (Bloomfield, Oludhe, Brayshaw, Olago), with the forefront of research on sub-seasonal predictability (Hirons, Gitau, Woolnough), and expert knowledge of East African climate (Wainwright, Mutemi, Hirons) to conduct world-leading energy-climate research to support this step-change in understanding (Ob1) and build partnerships and capacity (Ob2) capable of supporting Kenya’s climate-smart shift to reliable renewables. Applications and Benefits. Universal access to affordable, clean energy helps emerging economies like Kenya progress towards their Sustainable Development Goals by building businesses and societies capable of producing and consuming sustainably for a climate-resilient future. However, access to reliable energy has societal benefits far beyond sustainable economic growth. Reliable energy access can empower women, and other marginalised groups, by improving access to services such as mobile technology, online banking, educational materials, and employment opportunities. Access to clean energy, especially for currently unconnected rural households, can enhance health outcomes by reducing reliance on traditional wood fuels, which are linked to respiratory diseases. Achieving POWER-Kenya aims to ensure Kenya's shift to clean, weather-sensitive renewables is backed by current scientific thinking and proven techniques that will help deliver the country's aim for reliable energy for all businesses and households. Beyond Kenya, POWER-Kenya outcomes will inform and support the aims of the wider Eastern Africa Power Pool (EAPP) - an institution that coordinates regional cross-border power trade and grid interconnection. KenGen, a key project partner and regional leader, is a utilities member of the EAPP. Through iterative dialogue with POWER-Kenya, KenGen will help co-design the research, by defining energy stress case studies, and ensure it remains solutions-orientated and maximises benefits for Kenya and the broader region.
A Socio-technical Study of Electricity Demand, Efficiency and Flexibility in the Urban Housing Sector of Burkina Faso
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Universal access to a secure electricity supply is essential for the economic development and welfare of the population of Burkina Faso. Rapid urbanisation and an increased use of air conditioning (AC) has led to an 8.4% annual increase in the country's electricity demand since 2010. The nation's generation capacity is unable to keep up, resulting in frequent power outages, and a 45% dependence on energy imports creating high and volatile costs for consumers. An uninterrupted and affordable electricity supply would increase household incomes; improve education of children; save time and money collecting alternative fuels, particularly for women; improve the productivity of businesses; and accelerate the installation of new electricity connections. These direct benefits would reduce current rates of social and economic poverty, unemployment, illiteracy and emigration in the country. Upgrading the country's electricity generation and supply system is a long-term challenge, but in the short-term, our project partners, the Government of Burkina Faso and national electricity utility, SONABEL, believe the implementation of demand side management (DSM) programmes (electricity efficiency and flexibility) in the housing sector (which accounts for 33% of national electricity use) would better balance supply and demand and unlock these beneficial development outcomes. The Government has also committed to reduce electricity demand and improve energy efficiency in homes to cut Green House Gas emissions and help mitigate the effects of climate change, a phenomenon that disproportionately effects the Sahel region where Burkina Faso is located and is itself further exacerbating electricity demand as households are increasingly using AC to stay cool. However, at present, there is almost no data on household electricity demand, efficiency or flexibility in Burkina Faso for a successful, evidence based implementation of DSM. The aims and objectives of this research and partnership building project will address this substantial gap in knowledge. The project has been developed collaboratively with the Government of Burkina Faso and SONABEL to ensure the research delivers the data and evidence they need. For the direct research, a socio-technical residential electricity study will be undertaken with 100 households in Ouagadougou. Field measurements of electricity demands and internal temperatures of homes will provide empirical insights into households' electricity load profiles, use of AC, time-of-use and peak loads. An efficiency and flexibility survey will be completed to understand households' current practices and opportunities for improving energy efficiency at home, as well as identifying load shifting and curtailment actions that households would be willing to implement to prevent power outages. Diversity in responses due to the socio-technical characteristics of the households and dwellings will be studied. Simultaneously a range of partnership building activities (e.g. research visits, project meetings, workshops, mini conference) will be undertaken. These are tailored to the stage of the project programme to either inform the delivery of the direct research or form a platform for discussion, dissemination and impact generation of the research findings. An international network of 6 Universities will be created where future research on energy and development challenges in Burkina Faso and other African countries will stem. The network will also act as a platform for ongoing mutually beneficial exchange of knowledge and skills. To deliver development impact within the project's life time, workshops with the Government and SONABEL will turn the research findings into evidence based recommendations to inform future policy and DSM programmes. Project partner GGGI will use their extensive network, to engage wider stakeholders and beneficiaries, so a range of routes to impact are achieved.
Energy Catalyst Accelerator Programme (ECAP) Rounds 9 and 10
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Provides incubator and business accelerator support to help companies to grow and to commercialise their innovations.
Efficient Photoelectrochemical Green Energy System based on Hematite Photoanodes Heterostructured with Selected 2D Transitional Metal Dichalcogenides
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
This project addresses the urgent need for sustainable energy solutions by enhancing photoelectrochemical (PEC) water-splitting technologies, which convert solar energy into storable hydrogen fuel. With the increasing global focus on mitigating climate change, the development of efficient, renewable energy technologies is paramount. PEC water splitting, a process that uses sunlight to produce hydrogen, presents a promising pathway to this goal. Our initiative centres on improving the efficiency of hematite-based PEC devices through innovative heterostructures incorporating two-dimensional (2D) transition metal dichalcogenides (TMDCs), such as SnS₂, MoS₂, SnSe₂, and MoSe₂. Hematite has long been studied for its potential in solar-driven water splitting due to its strong visible light absorption and favourable theoretical solar-to-hydrogen (STH) conversion efficiency. However, its practical application has been limited by issues such as poor electrical conductivity, slow charge transport, and high recombination rates of electron-hole pairs. By integrating hematite with 2D TMDCs, we aim to overcome these challenges, enhancing the material’s performance through improved charge transfer, reduced recombination losses, and optimised band alignment. This approach promises to boost STH conversion efficiency and achieve the 10% benchmark set for practical applications, making a significant contribution to the development of scalable, clean energy solutions. The project not only advances scientific knowledge but also brings substantial benefits to researchers and institutions in Africa. The collaboration between UK and African institutions facilitates access to cutting-edge facilities and expertise in the UK, which are critical for the successful implementation of this research. African researchers will have the opportunity to train on advanced characterisation tools and gain hands-on experience with state-of-the-art PEC technologies. This exposure is invaluable for building their technical skills and enhancing their research capabilities. Moreover, the project fosters networking and collaborative opportunities between African and UK researchers, promoting the exchange of knowledge and ideas. This international collaboration helps to strengthen research networks, opening doors for future partnerships and joint ventures. African institutions will benefit from the establishment of sustainable partnerships and the development of local expertise in advanced energy technologies. Additionally, the project includes outreach and dissemination activities, which will raise awareness and engage various stakeholders, including the public and industry players. These activities will not only highlight the advancements in PEC technology but also showcase the contributions of African researchers to global scientific progress. In summary, this project is poised to make significant strides in improving PEC water-splitting efficiency, with the added advantage of enhancing research capacity and collaboration between African and UK institutions. By addressing key challenges in renewable energy technology and providing valuable training and networking opportunities, the project aims to contribute to the global transition to clean energy while strengthening the scientific community in Africa.
Circular Microgrids: Circular Economy Pathways for Renewable Microgrids in Africa
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
The United Nations Trade and Development (UNCTAD) highlights that over 50% of Sub-Saharan Africa's population remains without electricity and in some rural areas access plummets to as low as 5%. In response, our project leverages the principles of the circular economy to pioneer the development and deployment of cheaper and cleaner renewable energy microgrids across Africa. Recognizing the continent's urgent need for systemic and sustainable changes in energy access, reliability, and generation, our initiative addresses these issues by tapping into the growing global stock of electronic waste from the first generation of electric vehicles (EVs). By repurposing components such as lithium-ion batteries, power-converters, and electrical motors, which are unsuitable for transport but remain functional for stationary applications, we offer a novel solution to the challenges of energy generation, storage and distribution. These components can be integrated into solar energy storage within microgrids, micro-wind or hydro generation systems and energy controllers, presenting a unique opportunity to bolster renewable energy infrastructure at lower cost while mitigating the environmental impact of electronic waste. The project's objectives are to Create knowledge and build capacity for repurposing electronic waste in microgrid development. Develop a circular value chain framework and business model for microgrid applications. Implement circular economy principles for cost-effective energy storage solutions. Deepen understanding of the dynamics between energy producers and consumers within the African context. Co-create and advocate for circular microgrids through stakeholder engagement and policy formulation across sub-Saharan Africa. Establish a Pan-African, multisectoral, interdisciplinary Centre of Excellence in circular microgrids. The project will be delivered through the Pan-African, multisectoral, interdisciplinary Centre of Excellence—Circular Economy Powered Renewable Energy Centre (CEPREC). CEPREC will serve as a triple helix hub, fostering collaboration among academia, government and industry through workshops, training sessions, and knowledge exchange activities. The project brings together engineering and social sciences expertise from De Montfort University, University of Warwick alongside policy and impact expertise from Chatham House, and partnerships with universities and governments from six African countries. The team will include 26 academics (11 UK & 15 African), 26 Researcher and innovation Associates (5 UK & 21 African) and 16 PhD scholars (2 UK & 14 African). The project, which aligns with the national priorities and targets of the participating countries, has strong government and industrial support with national governments pledging support that includes participating in the steering committee and utilizing project outcomes to shape national policies. Similarly, participating universities and industrial partners have endowed PhD-studentships, which will be jointly supervised by UK and African academics. Aligned with the Ayrton themes of Low Carbon Supplies and Smart Delivery, our project is poised to make a significant impact on the delivery of Affordable and Clean Energy, in line with SDG7 as well as reduce the environmental footprint of energy solutions, contributing to SDG12&SDG 13. Operating across Nigeria, South Africa, Kenya, Sierra Leone, Namibia, and Rwanda, the project will offer a comprehensive perspective on the energy landscape in sub-Saharan Africa, while also providing insights tailored to each country’s specific needs and opportunities. By adopting an approach that is rooted in interdisciplinary collaboration, stakeholder engagement, and a clear focus on sustainable development, our project is poised to deliver transformative impacts in the beneficiary countries, creating a paradigm shift in the way energy is produced, consumed, and thought about in Africa.
Compound-Semiconductor-Enabled Renewable Energy System for Powering Critical Buildings in Africa
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Africa’s power supply systems for critical loads, such as healthcare facilities, are transitioning to a more sustainable, efficient and reliable future. This is driven by the integration of renewable energy, which includes AC and DC power conversion enabled by power semiconductors switching at increasingly high frequencies (e.g., 10–100 kHz). The semiconductors’ operation causes power loss, reducing energy efficiency, and they are the most vulnerable components, counting for 20%–30% of the failure of power conversion systems. Improving the performance of the semiconductors will thus provide significant benefits in energy saving and system reliability improvement. For example, a 1% increase in efficiency in solar photovoltaic (PV) inverters and a 1% in reliability will make 150 GWh more energy available to critical healthcare facilities in Africa. This project’s overarching aim is to leverage the latest advancements in Silicon Carbon (SiC) semiconductor technology to develop high-efficiency and reliable solar photovoltaic-battery energy storage system (PV-BESS) for critical loads. Such compound semiconductors have low conduction loss, fast switching speed, and high operating temperature, which provides all potential for developing low-carbon PV-BESS. Challenges are that high-frequency switching of SiC semiconductors can increase thermal stress and create electromagnetic interference (EMI) due to their high-speed voltage transients (e.g. dv/dt over 10kV/us), affecting the reliability of the PV-BESS and lifespan of critical components such as capacitors and batteries. SiC semiconductors exhibit various material defects and variability, leading to variations and high non-linearities in their electro-thermal performances. Integrating SiC semiconductors into PV-BESS requires a better understanding of induced parasitic parameters and their coupling with components, including capacitors, inductances and gate drivers. To address these issues, the project has three research work packages (WP1-3): Develop accurate characterisation and modelling methods for semiconductor devices (WP1): Accurate SiC electro-thermal models and lifetime models will provide a new understanding of SiC semiconductors, which will be built to evaluate component efficiency and reliability under various environments. Integration optimisation of SiC-based PV-BESS (WP2): This involves studying and modelling the multiphysics coupling between SiC semiconductors and other components, investigation of induced parasitic parameters and system-level topology design of PV-BESS to reduce power conversion stages, thus improving overall efficiency and reliability. Validation and operation optimisation of SiC-based BESS in various operation conditions (WP3): This will investigate integration strategies and verify the benefits brought by SiC devices' advantages to ensuring the BESS’s high-efficiency and reliable operation in both normal and fault conditions. The main deliverables will include validated tools and a testbed for modelling and characterisation of SiC semiconductors (WP1), hardware-in-the-loop demonstrator for validating the SiC-based PV-BESS (WP2), and optimal operation strategies for PV-BESS (WP3). These will be useful to physics R&D institutions, renewable equipment vendors, and power system operators. The project will involve international partnerships with the University of Nairobi, with support from Scottish Power Energy Networks (SPEN) and Toshiba Europe. Researchers involved will benefit from the unique collaboration and training, and the project will help Africa build new physics research capacities in the renewable energy and semiconductor sectors. The project output will boost the PV-BESS’ energy conversion efficiency by 1%–2%, and extend their mean-time-between-failures by 20%. Developed compound semiconductor technologies will have a wider impact across applied industries, including electrified transportation sectors, robotics and aerospace. The integration and BESS technologies can be extended to generic low—and medium-voltage energy systems.
Temperature-sensitive Earth-abundant Catalysts for green Hydrogen production
DEPARTMENT FOR SCIENCE, INNOVATION AND TECHNOLOGY
Hydrogen production via water electrolysis technology has been a major focus of discussions for practical carbon-neutral transportation fuel and a key component for other chemical syntheses for the past decade. Particularly, Africa’s total announced electrolyser pipeline capacity has reached 114 gigawatts. However, the costs of water electrolysis to be reported in the range of 2-5 £/kg H2, which is still twice as expensive as the existing fossil fuel-based technologies. Among various electrolyser technologies for hydrogen production, alkaline water electrolysis is considered to be the most mature type for industrial scale-up and has strong cost-effectiveness. Despite these advantages, its cold-start nature, unfortunately, requires a certain ramping-up time (approximately 1 hour). This makes it challenging to integrate with renewable energy sources, which are difficult to predict. Alkaline water electrolysis at elevated starting temperatures offers a promising solution to enhance catalytic reactivity and reduce required electric energy, increasing cost-effectiveness. The cobalt- and nickel-based catalysts, known for their prominent temperature dependence, could be the key to enhancing the hydrogen production rate. In this study, we aim to establish a feasible fabrication method of temperature-sensitive catalysts for alkaline water electrolysis and to explore the multi-element catalysts' physical and chemical bonding structure change at elevated temperature conditions. Exploring the underlying mechanism of intrinsic kinetics change is a challenging yet crucial step towards more efficient and cost-effective hydrogen production. The ultimate goal of the proposed collaboration entitled "Temperature-sensitive Earth-abundant Catalysts for green HYDROgen production (TECHydro)" is not to develop new catalysts but to discover new combinations that have a high-temperature sensitivity and explore underlying principles, giving rise to fresh perspectives of the developed catalyst for their application to AWE. The outcomes will provide a methodological achievement in cost-effective catalyst preparation. Moreover, the project will make a rigid bridge for further joint-research funding applications and staff exchange between African (South Africa and Kenya) and UK partners. We believe that the outcomes of this study could set benchmarks for hydrogen production that operates more efficiently in South Africa and Kenya's hot climate, contributing to the global transition towards a hydrogen economy.
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