Totota, Liberia

Totota Micro-utility

Ageto commissions minigrid to bring clean and reliable power to this Liberian community through the Totota Electric Co-op—the nation’s first micro-utility.

Energy Resource Capacity
60 kW
80 kW
120 kWh
70 kW

For many of us, access to reliable and affordable energy is a foundation to so much of our lives. Whether it be healthcare, industry or tourism, not having access to a reliable electric grid means there are greater challenges to surmount in creating thriving industries and improving quality of life for a community.

Located in Bong County, 80 miles inland of Liberia’s capital on the African West Coast, Totota is beyond the reach of the nascent Liberian national electric grid, which currently serves only about a quarter of the country’s population. Despite its role as a trading center for the region, most households in Totota would rely on dry cell batteries, lanterns and candles while a small number purchased electricity from individuals who own and operate small generators. In 2018, with the help of NRECA International, the community established the Totota Electric Cooperative (TEC). As of 2021, the members of the community now not only have access to a clean and reliable power grid, but also participate as member/owners of TEC, which recently became only the second legal power supplier in Liberia, after the government owned Liberia Electricity Corporation (LEC).  

NRECA International partnered with Ageto to provide the site-level controls and integration of this minigrid. With initial educational and monetary support from American electric co-ops who are members of the National Rural Electric Cooperative Association (NRECA), TEC is now a self-sufficient cooperative which handles all electrical sales, operating costs and employs technicians, line-workers and managers within the community who report to a local board of directors.

OzTek OZpcs-RS40 (2)
80 kW
Energport (1)
120 kWh
SMA TriPower (2)
60 kW
DeepSea 8610 (1)
70 kW
AccuEnergy Acuvim II Power Meters

The Ageto ARC controller balances the energy resources in this off-grid community microgrid to meet the electrical needs of the co-op members, including family homes, businesses, and four commercial refrigeration operations. ARC prioritizes the consumption of solar and energy storage in this system to increase the utilization of renewable solar energy and reduce the cost of electricity by offsetting diesel consumption. Using advanced control techniques, ARC operates both the generator and energy storage system in grid-forming mode creating additional spinning reserves and adding an additional layer of power resiliency. ARC protects the health and lowers the maintenance costs of the generator through maintaining minimum loading and runtime as well as cycle charging of the batteries.

The success of the Totota minigrid and TEC serves as a model for future energy access projects in Liberia and across the globe. Ageto is thrilled to have been a partner in bringing this state-of-the-art energy system into reality and looks forward to delivering similar projects advancing the ongoing push for universal electrification and energy access in remote communities.

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