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This comprehensive strategy aims to increase energy access through a combination of technical and non-technical interventions. A key part of the roadmap is to incorporate Sierra Leone's abundant renewable energy resources, ensuring a secure energy supply to rural communities and boosting the national economy.
Sierra Leone currently has one of the lowest energy access rates globally, with only 36% of its population connected to the grid and a mere 6% in rural areas. The SOGREA Initiative supports the government's aim to increase the share of renewable energy in the country's energy mix to 35% by 2030. “By 2027, Sierra Leone will be fully illuminated.
This station, which currently has a generation capacity of 6MW, has the potential to double its output to 12MW. In addition to the Goma Hydropower Station update, Sierra Leone signed an MoU with the European Union earlier this month to deploy 57 solar mini-grids in rural communities that currently lack electricity.
A key part of the roadmap is to incorporate Sierra Leone's abundant renewable energy resources, ensuring a secure energy supply to rural communities and boosting the national economy. One of the most significant projects in this roadmap is the planned expansion of the Bumbuna Hydroelectric Dam.
Wind-solar complementarity strongly depends on temporal scale. The anticipated greater penetration of the variable renewable energies wind and solar in the future energy mix could be facilitated by exploiting their complementarity, thereby improving the balance between energy supply and demand.
However, improvements in the exploitation of wind-solar complementarity must be accompanied by a massive improvement in the provision and use of energy storage systems. It is understood that different kinds of storage devices mitigate periods of low wind-solar availability .
Han et al. have proposed a complementarity evaluation method for wind, solar, and hydropower by examining independent and combined power generation fluctuation. Hydropower is the primary source, while wind and solar participation are changed in each scenario to improve power system operation.
The proposed approach enables a detailed differentiation of scales on which the complementary use of wind and solar is possible. The highest potential for complementarity within and between the analyzed regions was quantified at the seasonal scale.
This study provided the first spatially comprehensive analysis of solar and Wind energy Complementarity on a global scale. In addition, it showed which regions of the world have a greater degree of Complementarity between Wind and solar energy to reduce energy storage requirements.
Han et al. have proposed a complementarity evaluation method for wind, solar, and hydropower by examining independent and combined power generation fluctuation. Hydropower is the primary source, while wind and solar participation are changed in each scenario to improve power system operation.
The results highlight that strategically integrating Wind and solar generation offers a sustainable approach to boost the proportion of variable renewables within the power system, outperforming scenarios relying solely on a single renewable source.
Couto and Estanqueiro have proposed a method to explore the complementarity of primary wind and solar resources and the demand for electricity in planning the expansion of electrical power systems.
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