RES and energy storage: new opportunities for emerging markets

Luigi Lanuzza, EGP – Gabriella Preite, EPS – Margherita Moreno, ENEA – Miguel Cipolla Ficarra, CESI – Ubaldo Bigossi, Convert – Marco Merlo, Politecnico di Milano – Barbara Rossi, SAET

Res4Africa Fostering the deployment of Renewable Energy in Ethiopia: a Sustainable Roadmap // October 3rd – 4th, 2017

Renewable Energy Sources (RES) are a fast and reliable way for providing energy for countries under fast development, and represent a competitive and economically sustainable solution when in presence of abundant natural resource, which is typically the case of such countries. On the other hand, in a context of increasing RES penetration that is becoming more and more common in many countries around the globe, the random and non-predictable electricity production coming from renewables can affect grid management bringing: (i) Unbalance issues; (ii) Increase of power flow on critical section of the grid; (iii) Regulation issues due to lower system inertia and lower regulating capacity compared to traditional generators scenario. Thus new solutions to increase grid safety and reliability as well as a better exploitation of green generators are required. In this context Energy storage -sometime as part of integrated hybrid generation systems – providing the possibility to receive and store electrical energy and release it in a different moment with controllable time delay and power modulation, can help to solve grid congestions thus resulting to be a mandatory asset for grid sustainable and safe development. Moreover, this ability can be even more useful in presence of weak grids in remote areas. In the next paragraphs, an overview of technology, applications and current regulatory frameworks together with the description of some projects already deployed will be presented.

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