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[November Thematic Report] Energy Storage System (ESS)

by Barisoa Nancy Andriamiarimbola | 03-11-2022 18:10


Energy Storage Systems

What is this system at the heart of today's challenges, whether to optimize energy resources or to promote access to them? Let's get into this topic and talk about this cost-effective, reliable and environmentally friendly innovation. More specifically, solar and storage projects in Africa to take you on a journey of these cases within my country and my continent. 

Energy storage consists in preserving a quantity of energy for later use. ESS systems develop a cost-effective, reliable and environmentally friendly mixed flow battery. The benefits of EHS systems include: promoting the efficient use of intermittent renewables, the ability to combine them into a smart integrated energy system, reducing the need for additional generation capacity at peak hours, improving grid reliability, continuously improving performance and costs, and the ability to integrate renewables and fossil fuels. 

Solar and storage projects in Africa

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Theses sources are wind and solar. Source : https://unsplash.com/photos/pF_2lrjWiJE?utm_source=unsplash&utm_medium=referral&utm_content=creditShareLink

First, we have Tozzi Green from Madagascar which generates electricity from renewable sources and invests in research and development. These sources are solar and wind. The objective of Tozzi Green's research is to overcome the discontinuity of renewable sources so that the energy becomes usable on demand of the user.

There's also another storage project in Madagascar which is the first solar photovoltaic plant that is expanded and equipped with batteries. Indeed, the first solar power plant will be equipped with battery storage and its production capacity will be increased by 20 MW.

JinkoSolar also provides turnkey DC-coupled battery system to West Africa. It will integrate batteries, power conditioning system (PCS), EMS software and other necessary components. The batteries are charged directly from the power plant when there is excess energy production that would otherwise be lost, and then stored before being fed into the grid when needed. They can also be used for grid services such as frequency regulation or commercial and industrial peak shaving.

While this scenario is possible today for industrialized countries, the same cannot be said for certain countries whose inhabitants' way of life is severely limited by a lack of electricity. As for all things, the ESS system also has its drawbacks such as inefficient "round trip" energy loss, additional cost and complexity, and infrastructure and space requirements. 

You've seen the pros and cons, will you use ESS? But in your decisions, don't forget that ESS can contribute to carbon neutrality. 

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Toward a carbon-neutral world
Source : https://unsplash.com/photos/acJmkKwEMR4?utm_source=unsplash&utm_medium=referral&utm_content=creditShareLink