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  1. Market Data
September 3, 2021

B2Gold Fekola Gold Mine Solar PV-Battery Energy Storage System, Mali

By Carmen

The B2Gold Fekola Gold Mine Solar PV-Battery Energy Storage System is a 17,300kW energy storage project located in Fadougou, Kayes, Mali. The rated storage capacity of the project is 15,400kWh.

The project was announced in 2019 and will be commissioned in 2021.


The B2Gold Fekola Gold Mine Solar PV-Battery Energy Storage System is being developed by Wartsila. The project is owned by B2Gold (100%).

The key applications of the project are renewable energy integaration, electric energy time shift and microgrid control.

Contractors involved

B2Gold is the owner. Wartsila is the developer. Wartsila is the technology provider for the project.

Wartsila is the system integrator.

Additional information

Suntrace together with its partner BayWa were selected to support B2Gold during implemention of the project and provide technical expertise, such as detailed engineering, procurement support and support during construction and commissioning until completion of the project. The PV-battery system will be integrated with the existing Power Plant to ensure safe and reliable operation of the hybrid and allow fuel savings of 13.1 million liters HFO per year. B2Gold has approved $38 million for the implementation of off-grid solar battery hybrid systems.

About Wartsila

Wartsila Corp (Wartsila) is an engineering company. It provides smart technologies and comprehensive lifecycle solutions. Through sustainable initiatives, efficiency and data analytics, the company harnesses environmental and economic performance of the vessels and power plants. Wartsila’s offerings include pumps and valves, automation systems, seals and bearings, low- and medium-speed engines, ship design and ballast water treatment systems. It also offers power solutions for all phases of onshore and offshore oil and gas exploration, transportation, production and refining. The company serves customers in marine and energy sectors in Asia, North America, Europe, South America and other regions. Wartsila is headquartered in Helsinki, Finland.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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