While renewable energy is advancing rapidly in Africa due to consistent efforts and investment, wood fuel is still largely used on the continent. In addition to being of significant value to African economies, it is the single most important energy source for most households. However, high dependence on biomass, even with the development of improved cookstoves, contributes to deforestation, degradation of soil quality and reduced biodiversity. Wood fuel use in households is also an important source of indoor air pollution, which, according to the World Health Organization, kills 4 million people every year.
Urgent action is therefore required to address fuelwood use and management on the continent, where only 25 per cent of the population has access to clean fuels and energy for cooking. A recent desk study published jointly by the UN Environment Programme (UNEP) and the African Union, Review of Woodfuel Biomass Production and Utilization in Africa, takes stock of the current situation and proposes policies and strategies for Member States to accelerate the transition to renewable energy sources.
UNEP and its partners promote the development of renewable sources of energy and energy efficiency as part of the Sustainable Energy for All initiative and climate mitigation effort. With the financial support from the International Climate Initiative, UNEP just concluded the Building capacity for enhancing bioenergy sustainability through the use of Global Bioenergy Partnership indicators project in Ethiopia and Kenya.
The project provides technical assistance to government officials and experts in Ethiopia and Kenya to assess the sustainability of their bioenergy sectors and to build their capacity for long-term, periodic monitoring. The project is structured around the application and interpretation of 24 indicators to assess the environmental, social and economic impacts of bioenergy production and use. Results from the indicators will be used to inform the decision-making process.
Energy consumption in Ethiopia was an estimated 42 million tonnes of oil equivalent in 2016. Biomass energy sources account for 91 per cent of final energy consumption and for 98 per cent of energy consumption in the residential sector. The Global Bioenergy Partnership project in Ethiopia examined the development of biogas and solid biomass (firewood and charcoal) production to understand how it can contribute to reaching the Sustainable Development Goals as well as to national development policies, such as the Climate Resilience Green Economy Strategy.
With 99 million people relying on the traditional use of biomass for cooking in Ethiopia, access to modern energy, reduction of poverty and better health are potential benefits that biogas and improved biomass cooking solutions can bring. This is compared with the traditional use of biomass in open fires. Other benefits accruing from this intervention include increased employment, greater gender equity and climate change mitigation.
“These findings help improve our overall knowledge and understanding about Ethiopia’s bioenergy sector and serve as a starting point to improve the sustainability of this sector and support the design of effective sustainable bioenergy policies as part of low-carbon development strategies,” said Fikadu Beyene, Commissioner of Environment, Forest and Climate Change in Ethiopia.
The energy mix of Kenya is dominated by biomass then oil and oil products, geothermal and other renewables, according to its National Bureau of Statistics. Biomass contributes a large share of the country’s final energy consumption, supplying more than 90 per cent of rural household energy needs. 43 million people rely on the traditional use of biomass for cooking in the country.
The project helped to assess the current and future potential of the country’s bioenergy sector focusing on two courses of action: the use of sugarcane bagasse briquettes residues by the tea industry and charcoal production from forests, woodlands and farmlands for use by households. The tea industry consumes almost 1 million tonnes of firewood per year, or more than 4 per cent of the volume of firewood consumed each year in Kenya. The summary report prepared for the project therefore outlines the consequences of the widening gap between supply and demand for wood fuel with current wood fuel supply outstripping demand in various parts of the country.
“The project outcomes give a better understanding of the environment, social and economic impacts of bioenergy use, and helps to sustainably manage this important national resource in Kenya,” said Charles Mutai, Director, Climate Change Directorate in the Ministry of Environment and Forestry.
In Kenya, the project was implemented by Stockholm Environment Institute in collaboration with the Ministry of Environment and Forestry and UNEP. The Stockholm Environment Institute conducted the calculation and analysis of the 24 indicators applied to the two priority pathways together with the Kenya Forestry Research Institute, Strathmore University and the World Agroforestry Centre.
In Ethiopia, the project was undertaken by the Environment, Forest and Climate Change Commission and the Ethiopian Environment and Forest Research Institute, which conducted the technical calculation and analysis of the 24 indicators applied to the two priority pathways.
These indicators were developed in a collaborative process, led by the Food and Agriculture Organization of the United Nations, which currently hosts the Global Bioenergy Partnership Secretariat. The partnership works with various stakeholders such as governments, intergovernmental organizations and civil society.
World Adds Record New Renewable Energy Capacity in 2020
Global renewable energy capacity additions in 2020 beat earlier estimates and all previous records despite the economic slowdown that resulted from the COVID-19 pandemic. According to data released today by the International Renewable Energy Agency (IRENA) the world added more than 260 gigawatts (GW) of renewable energy capacity last year, exceeding expansion in 2019 by close to 50 per cent.
IRENA’s annual Renewable Capacity Statistics 2021 shows that renewable energy’s share of all new generating capacity rose considerably for the second year in a row. More than 80 per cent of all new electricity capacity added last year was renewable, with solar and wind accounting for 91 per cent of new renewables.
Renewables’ rising share of the total is partly attributable to net decommissioning of fossil fuel power generation in Europe, North America and for the first time across Eurasia (Armenia, Azerbaijan, Georgia, Russian Federation and Turkey). Total fossil fuel additions fell to 60 GW in 2020 from 64 GW the previous year highlighting a continued downward trend of fossil fuel expansion.
“These numbers tell a remarkable story of resilience and hope. Despite the challenges and the uncertainty of 2020, renewable energy emerged as a source of undeniable optimism for a better, more equitable, resilient, clean and just future,” said IRENA Director-General Francesco La Camera. “The great reset offered a moment of reflection and chance to align our trajectory with the path to inclusive prosperity, and there are signs we are grasping it.
“Despite the difficult period, as we predicted, 2020 marks the start of the decade of renewables,” continued Mr. La Camera. “Costs are falling, clean tech markets are growing and never before have the benefits of the energy transition been so clear. This trend is unstoppable, but as the review of our World Energy Transitions Outlook highlights, there is a huge amount to be done. Our 1.5 degree outlook shows significant planned energy investments must be redirected to support the transition if we are to achieve 2050 goals. In this critical decade of action, the international community must look to this trend as a source of inspiration to go further,” he concluded.
The 10.3 per cent rise in installed capacity represents expansion that beats long-term trends of more modest growth year on year. At the end of 2020, global renewable generation capacity amounted to 2 799 GW with hydropower still accounting for the largest share (1 211 GW) although solar and wind are catching up fast. The two variable sources of renewables dominated capacity expansion in 2020 with 127 GW and 111 GW of new installations for solar and wind respectively.
China and the United States of America were the two outstanding growth markets from 2020. China, already the world’s largest market for renewables added 136 GW last year with the bulk coming from 72 GW of wind and 49 GW of solar. The United States of America installed 29 GW of renewables last year, nearly 80 per cent more than in 2019, including 15 GW of solar and around 14 GW of wind. Africa continued to expand steadily with an increase of 2.6 GW, slightly more than in 2019, while Oceania remained the fastest growing region (+18.4%), although its share of global capacity is small and almost all expansion occurred in Australia.
Highlights by technology:
Hydropower: Growth in hydro recovered in 2020, with the commissioning of several large projects delayed in 2019. China added 12 GW of capacity, followed by Turkey with 2.5 GW.
Wind energy: Wind expansion almost doubled in 2020 compared to 2019 (111 GW compared to 58 GW last year). China added 72 GW of new capacity, followed by the United States of America (14 GW). Ten other countries increased wind capacity by more than 1 GW in 2020. Offshore wind increased to reach around 5% of total wind capacity in 2020.
Solar energy: Total solar capacity has now reached about the same level as wind capacity thanks largely to expansion in Asia (78 GW) in 2020. Major capacity increases in China (49 GW) and Viet Nam (11 GW). Japan also added over 5 GW and India and Republic of Korea both expanded solar capacity by more than 4 GW. The United States of America added 15 GW.
Bioenergy: Net capacity expansion fell by half in 2020 (2.5 GW compared to 6.4 GW in 2019). Bioenergy capacity in China expanded by over 2 GW. Europe the only other region with significant expansion in 2020, adding 1.2 GW of bioenergy capacity, a similar to 2019.
Geothermal energy: Very little capacity added in 2020. Turkey increased capacity by 99 MW and small expansions occurred in New Zealand, the United States of America and Italy.
Off-grid electricity: Off-grid capacity grew by 365 MW in 2020 (2%) to reach 10.6 GW. Solar expanded by 250 MW to reach 4.3 GW and hydro remained almost unchanged at about 1.8 GW.
Renewable energy access key to climate adaptation in Africa
Support for climate adaptation in Africa is crucial, UN Secretary-General António Guterres said on Tuesday in appealing for greater action to provide renewable energy to hundreds of millions who still lack access to reliable and affordable electricity.
“As the continent that has contributed least to the climate crisis, Africa deserves the strongest possible support and solidarity”, he told an online dialogue for leaders convened by the African Development Bank.
Mr. Guterres warned that “adaptation must not be the neglected half of the climate equation”.
Old models failing
Although Africa has abundant and untapped renewable resources, it has received just two per cent of global investment in renewable energy over the past decade, he reported.
Old models of development and energy use have failed to provide Africans with universal energy access, he said, meaning hundreds of millions of people still lack reliable and affordable electricity or are cooking with polluting and harmful fuels.
“We can provide universal access to energy in Africa primarily through renewable energy. I call for a comprehensive package of support to meet this objective ahead of COP26,” Mr. Guterres said, referring to the UN climate change conference in November.
“It is achievable. It is necessary. It is overdue. And it is smart: climate action is a $3 trillion investment opportunity in Africa by 2030,” he added.
‘Major finance gap’
However, the Secretary-General pointed to “the major finance” gap blocking progress towards this goal. He urged developed countries to deliver on their $100 billion climate commitment made over a decade ago.
“Developed countries and main financers must ensure a swift shift of the billions to support African green investments, to increase resilience and to create the conditions for scaled-up private finance”, he said.
“And the private sector must step up and get organized to provide immediate, concrete solutions to governments. Local authorities can work with unions and community leaders on reskilling and social security nets.”
Commitment and fiscal autonomy
While African Governments also can lead the way by committing to ambitious adaptation and mitigation plans, they first need to regain their fiscal autonomy, he said.
The Secretary-General stressed the need to extend the debt moratorium for developing countries, made last year in response to the COVID-19 pandemic, and even cancelling debts where appropriate.
Furthermore, Special Drawing Rights, a type of supplementary foreign reserve maintained by the International Monetary Fund (IMF), must also be made available to support Africa’s recovery.
How Renewables Offer New Solutions for District Heating and Cooling
Heating is the largest end user of energy, accounting for over 50% of global final energy consumption worldwide. At present, much of this demand is met by burning fossil fuels, making the sector a significant contributor to greenhouse gas emissions and air pollution. Renewables can play a significant role in decarbonising the way we heat homes and businesses.
Traditionally, biofuels have been the main alternative to fossil fuels in district heating and cooling. However recent improvements in building insulation and digitalisation have opened district energy to widely accessible, low-temperature renewables such as low-temperature geothermal, solar thermal and waste heat sources.
These sources are widely available in many regions. Yet, they remain largely untapped because they are not immediately compatible with current district energy infrastructure and existing building stock according to IRENA’s “Integrating Low-Temperature Renewables in District Energy Systems” published in collaboration with Aalborg university, Denmark.
Speaking during a recent workshop to launch the report, Miklos Antics, the President of the European Geothermal Energy Council, said more than 25% of the EU population lives in areas directly suitable for geothermal district heating.
The workshop was held under the framework of the Energy Solutions for Cities of the Future and under the umbrella of the Global Geothermal Alliance, with a focus on China with the support of the Chinese Renewable Energy Engineering Institute (CREEI). “District heating is of utmost importance to achieve decarbonised energy systems in China by 2060,” said Professor Brian Vad Mathiesen from Aalborg University.
For his part, Haukur Hardarsson, Chairman and Founder of Arctic Green Energy, highlighted the fact that Sinopec Green Energy connected about 60 million square meters of floor area to geothermal district heating systems, saving the country and the world close to 13 million tons of CO2 over the last decade – showing the environmental value of geothermal energy for heating and cooling.
IRENA’s analysis shares good practices from mature district heating and cooling markets with emerging markets and shows that a lack of data and a disconnect with building renovation strategies at the municipality level is holding back further integration of low-temperature renewables.
To overcome the challenges associated with the integration of low-temperature renewables into district heating and cooling, the report offers the following key recommendations:
- Develop strategic heating and cooling plans based on clear political drivers and identify relevant stakeholders;
- Elaborate technical scenarios based on heating and/or cooling demand and mapping of resources;
- Integrate change of supply, modernization of the network and building renovations;
- Promote the utilisation of locally available renewables for heating and cooling;
- Establish enabling regulatory conditions, supportive financing options and business models
- According to the report, heating and cooling challenges, such as issues with current energy supply, should be addressed in a co-ordinated and informed manner and with a long-term perspective.
- “Development of district heating and cooling systems, particularly those that are compatible with low-temperature renewable energy resources, is one way to integrate more renewables in the heating and cooling sector. However, this requires a collaborative effort from all relevant stakeholders, to address the inherent challenges,” said IRENA’s Director of Country Engagement and Partnerships Gurbuz Gonul during the workshop.
- “If action is taken, renewables can constitute up to 77% of the energy supplied to district heating energy systems by 2050, up from only 8% in 2017,” he added.
- The high upfront capital costs associated with the construction and refurbishment of the building stock as well as of the district heating and cooling network are substantial and it can take a decade or longer before any profits are realised, according to the report. This makes these projects a good match for investors seeking long-term revenue streams rather than quick returns.
- The report also highlights the role of national and local authorities in strategic planning for heating and cooling and supporting district energy operators by de-risking investments and facilitating access to direct funding from the public sector. Project developers can also benefit from technical assistance programmes that assess the viability of projects, support the development of district energy infrastructure in new markets, and evaluate renewable energy supply options.
To read the full report, click here.
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