The project as a whole aims to raise Sierra Leone's electricity access rate from 16% to 36% as operations begin, supporting national electrification goals. According to United Nations agency Sustainable Energy for All (SEforALL) and UNOPS, only 36% of the population is connected to the grid, with rural access standing at 6%.  

Sungrow reports that Sierra Leone's national grid currently relies on a single 161kV transmission line with a maximum capacity of 70MW, connecting the Bumbuna hydropower plant to Freetown's primary distribution network. Due to this centralised infrastructure, about 90% of Sierra Leone's 172,000 registered electricity customers reside in Freetown. However, outside the capital, energy access remains limited, with only five of the 16 regional capitals receiving partial supply from local diesel generators and small hydropower plants. This means the electrical infrastructure faces frequent load shedding, with daily outages lasting up to 18 hours. Power generation capacity also suffers from severe seasonal volatility, as output from the Bumbuna hydropower plant drops in the dry months. This operational shortfall forces energy authorities to rely on expensive thermal generation fuelled by imported oil.

For off-grid testing during black-start conditions, Sungrow said its PowerTitan battery energy storage system (BESS), of which eight units were deployed in the country, can automatically switch to black start mode and establish a microgrid without external grid support, using solar power to support on-site loads and create a stable electrical environment for commissioning.

The RESPITE initiative, supported by World Bank funding, aims to accelerate renewable energy deployment across West Africa. Sierra Leone has inaugurated two key solar plants under this programme: the 30MW Newton and the 10MW Lungi solar power plants. Beyond direct generation benefits, project managers report that construction and installation activities have created nearly 100 local jobs during peak construction phases. Moving forward, the new power supply is said to support residential homes, schools, healthcare facilities and commercial business districts.

According to the Africa Solar Industry Association (AFSIA), Sierra Leone has 364MW of operational solar capacity, most of which serves isolated commercial and industrial sites. Complementing these existing assets, AFSIA tracking shows an additional 62MW of solar generation projects currently under construction across the country.  

Meanwhile, national battery storage statistics show 28MWh of BESS in operation in Sierra Leone prior to this deployment, alongside 18.4MWh of further storage assets under active development. The government plans to develop long-term electrification through grid extension and off-grid solar, with World Bank RESPITE funding continuing to support clean energy expansion in West Africa.

‘RESPITE complements other existing regional projects by adding the first competitively and publicly procured clean and affordable renewable energy to the region’s power mix, while also enhancing regional integration, expanding the potential for power trade and improving the enabling environment for integration of renewable energy in the future,’ said Boutheina Guermazi, World Bank Director for Regional Integration for Sub-Saharan Africa, the Middle East and Northern Africa.