Rural electrification is the process of bringing electrical power to rural and remote areas. Rural communities are suffering from colossal market failures as the national grids fall short of their demand for electricity. As of 2019, 770 million people live without access to electricity – 10.2% of the global population.IEA (2022), SDG7: Data and Projections, IEA, Paris https://www.iea.org/reports/sdg7-data-and-projections, License: CC BY 4.0 Electrification typically begins in cities and towns and gradually extends to rural areas, however, this process often runs into obstacles in developing nations. Expanding the national grid is expensive and countries consistently lack the capital to grow their current infrastructure. Additionally, amortizing capital costs to reduce the unit cost of each hook-up is harder to do in lightly populated areas (yielding higher per capita share of the expense). If countries are able to overcome these obstacles and reach nationwide electrification, rural communities will be able to reap considerable amounts of economic and social development.
Social and economic benefits
Education Access to electricity facilitates sustainable economic and social growth. One of the most immediate gains is in enhanced educational attainment: students who once relied solely on daylight are able to study under LED lighting early in the morning or late into the night.
In Kenya for example, interviews with school teachers revealed that access to light has allowed for extra hours of teaching earlier and later in the day to cover material not adequately reviewed during normal hours. Additionally, schools with access to electricity are able to recruit higher quality teachers and have seen improvements on test scores and graduation rates, raising the human capital entering the labor force in the future.
Productivity and efficiency In addition to improved education, rural electrification also allows for greater efficiency and productivity. Businesses will be able to keep their doors open for longer and generate additional revenues. Farmers will have access to streamlined modern techniques such as irrigation, crop processing, and food preservation. In 2014, rural communities in India gained more than US$21 million from increased economic activity driven by recent additions of electricity.
Job creation When expanding the electrical grid, there is a demand for thousands of jobs ranging from business development to construction. Projects to spread electricity create a wealth of job opportunities and help to alleviate poverty. For example, India set a target of 175GW of clean energy to be installed by 2022 to increase electrification throughout the country. An estimated 300,000 jobs will need to be created in order to reach these lofty goals.
Healthcare improvements The availability of electricity can drastically increase the quality of healthcare provided. Improved lighting increases the time patients can come and get treatment. Refrigerators can be used to conserve incredibly valuable vaccines and blood. Sterilization measures will be improved and the implementation of high tech machines such as x-rays or ultrasound scanners can provide doctors and nurses the tools they need to perform. In Diara Rhashalpool, a cluster of villages on the river Ganges, 140 households are without power. The locals are forced to travel 2–3 hours across the river for treatment or access to vaccines. With access to electricity, treatment would be far more accessible to the local population.
Additional benefits Reduce isolation and marginalization through telephone lines and Television Improve safety with the implementation of street lighting, lit road signs. Reduce expenses on expensive fossil fuel lamps i.e. kerosene
Technology Renewable off-grid enterprises have emerged in many areas to meet the demand for electricity in rural communities. Due to their geographical location and relatively low aggregate demand, expanding the nationwide grid to rural areas is expensive and challenging. Renewable energy based mini grids are less dependent on larger-scale infrastructure and can be implemented faster and cheaper. Where an electric power distribution grid can be set up single wire earth return is often used. The following technologies are used extensively: Photovoltaics Wind mechanical water pumps Small wind electric Diesel solar hybrid power systems: especially for telecommunications worldwide. Fully commercial and the preferred option for remote telecommunications, commercially evolving for village power. Bioenergy Micro hydro is very widely implemented in Nepal, Vietnam, and China. Hybrid power is also widely used where a number of different technologies are combined to provide a single power source.
Challenges ResearchersAlmeshqab F, Ustun TS (2019), "Lessons learned from rural electrification initiatives in developing countries: Insights for technical, social, financial and public policy aspects" , Renew. Sustain. Energy Rev., Vol. 102, pp. 35-53.Peters J, Sievert M, Toman M (2019), "Rural electrification through mini-grids: Challenges ahead" , Energy Policy, Vol. 132, pp. 27-31. pointed out that while many supportive policies have been put in place, cost for providing electricity to remote villages remains high. Furthermore, both energy resources and demand in these areas can be very volatile, making it difficult to plan appropriately. Another issue is that village location was determined historically based on soil, water, storage, etc., and might not be optimal for renewable energy generation.
To mitigate these issues, the Networked Rural Electrification ModelLi, Jerry C.F. and Zimmerle, Daniel (2019), "Designing Optimal Network for Rural Electrification using Multiplier-accelerated A* Algorithm" , 2019 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), Macao, Macao, 2019, pp. 1-5. Accepted version of this paper is available at Researchgate or the author's personal page Li, Jerry C.F., Zimmerle, Daniel and Young, Peter(2020), "Optimizing Networked Rural Electrification Design using Adaptive Multiplier-Accelerated A* Algorithm" , 2020 IEEE / ITU International Conference on Artificial Intelligence for Good (AI4G), Geneva, Switzerland, 2020, pp. 164-169. Accepted version of this paper is available at Researchgate or the author's personal page has been proposed. In this model, villages in a selected area are linked up via an optimal network, which in turn connects to a few centralized generation facilities located at spots with better renewable energy resources. As such, each village is partially supplied by small local facility, and partially by the centralized facilities. This improves energy resources utilization as well as overall system flexibility and reliability. Viability of this model depends on the cost of building the optimal network. Based on multiplier-accelerated A* algorithm, the researchers have devised an effective method for evaluating all possible connections under complex geographical structure and hence practically optimize network design. Economic justification follows.
National initiatives by continent
Africa Ethiopia
Ethiopia rural electrification started in 1998 (although minor activities were there before 1995–1997 to electrify major cities called zone and woreda) then followed by the Millennium Development Goal 1998-2002 Universal Electric Access Program (UEAP) started and the program planned to electrify 6000 villages in 5 years. After lessons were taken from that the Growth and transformation plan (GTPI &2) were launched. The program is one of the successfully accomplished in increasing the rural access rate and transforming the rural community, creating jobs, local contractors and cooperatives. The program was financed by supporting funds, loans and government.
Kenya
Karanja describes the role that a coordinated approach to rural electrification can play in Kenya and the challenges that arise. One solution is the combine numerical electricity system modeling with geographical information to explore various mixes of grid extension, mini-grids, and standalone systems.
A 2024 study evaluating solar mini-grids in Kenya found significant improvements in household income, safety, and productivity. The median income in electrified Kenyan communities increased fourfold, indicating strong social and economic impacts of rural solar deployment.
Senegal Senegal's electricity sector was reformed in 1998. Since then the country has implemented several electrification initiatives: A national Senegalese Rural Electrification Action Plan (Plan d'Action Sénégalais d'Électrification Rurale), designed to increase private sector participation in rural electrification (details below); Covenants and an Emergency Programme (Programme d'Urgence d'Électrification Rurale), both led and funded largely by the Government of Senegal; Individual projects led by NGOs and private companies.Mawhood, R. and Gross, R. (2014) "Institutional barriers to a 'perfect' policy: A case study of the Senegalese Rural Electrification Plan" , Energy Policy, Retrieved 24 June 2014.
The Senegalese Rural Electrification Action Plan was launched in 2002 with the aim of maximising investment from the private sector. It raised an average of 49% private finance over 2002–2012, more than double the 22% global average for energy access projects.IEA (2011) "World Energy Outlook 2011" Retrieved 24 June 2014. However, during the same period it directly increased rural electrification levels by less than 1%. Analysis by Mawhood and Gross (2014) indicates that the Action Plan has faced considerable political and institutional barriers, notably institutional opposition, wavering ministerial support and lengthy stakeholder negotiations, as well as the inherent difficulties of implementing an innovative policy framework.Mawhood, B. and Gross, R. (2015) "Are Private Markets Effective for Rural Electrification?" , The Energy Collective. Retrieved 14 January 2015. Although the Action Plan has been very successful at attracting private finance, the political/institutional challenges it has faced reflect the experiences of reform-based electrification schemes across Sub-Saharan Africa. This highlights the importance of designing initiatives to fit the local policy environment.
Americas
Brazil In 1981, 74.9% of Brazilian households were served by electric power, according to the IBGE's National Sample Survey of Households (PNAD). In 2000, the Federal government of Brazil, under the Fernando Henrique Cardoso administration, launched the Luz no Campo program to expand the distribution of electricity in Brazilian domiciles, with a focus on rural households. From 2003 on, the program was reinforced and renamed Luz para Todos by the Lula administration. The results were that, according to the PNAD, by 1996, 79.9% of all households had access to an electric power supply and that proportion rose to 90.8% in 2002 and 98.9% in 2009.
Haiti Haiti remains the least electrified country in the Western Hemisphere, but several ambitious efforts have launched to address rural electrification in the country. Some have pointed out that because so much of rural Haiti currently lacks utility infrastructure, Haiti is well-positioned to leapfrog into modern, modular energy systems like microgrids (or "mini-grids") powered by renewable energy. The Haitian Government's energy regulator, along with the Energy Cell of the Ministry of Public Works and international partners are working to remove barriers and increase investment in renewable energy for both new, isolated mini-grids and regional grids.