Mirova supports iSAT rollout of solar-powered mobile towers in Liberia and Zambia
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Mirova, a global asset management company dedicated to sustainable investing, has announced a US$15 million senior secured facility for iSAT Africa Mauritius Limited, a leading rural connectivity platform, to support the deployment of fully solar-powered mobile towers in Liberia and Zambia.
iSAT Africa is a pan-African telecom infrastructure and managed services provider focused on expanding digital connectivity across Africa. The company delivers end-to-end solutions including network-as-a-service (NaaS), backhaul-as-a-service (BaaS), and energy-as-a-service (EaaS). Its capabilities include the delivery of turnkey, renewable-powered telecom tower infrastructure enabling high-speed mobile data services, supported by a multi-orbit satellite backhaul architecture.
The ten-year facility will finance the rollout of scalable NaaS and EaaS solutions as part of iSAT’s broader 1,000-tower expansion strategy across sub-Saharan Africa. The towers, financed by the Mirova Gigaton Fund, will be entirely off grid, powered by solar energy and battery storage.
By replacing diesel-powered rural telecom towers with fully solar, energy-efficient solutions, iSAT says its model has strong potential to significantly reduce CO₂ emissions associated with mobile network operations.
Through the deployment of 2, 4 and 5G-enabled infrastructure, the project supports both greenfield expansion into previously unconnected communities and brownfield network enhancements, improving user experience through higher-speed data services while addressing coverage blind spots in existing mobile networks.
Together, say the partners, these initiatives contribute to advancing digital inclusion and sustainable connectivity across rural regions.
This transaction is aligned with the investment objectives of the Mirova Gigaton Fund, which seeks to finance solutions enabling deep and measurable decarbonisation while supporting inclusive and resilient development models.
Mirova is an affiliate of Natixis Investment Managers, whose team delivers a wide range of solutions across asset classes, styles and vehicles.


