Does Ethiopia have a power shortage?

Ethiopia, a nation with significant economic potential and a growing population, has faced chronic power shortages that impact its development. The country’s electricity is predominantly generated through hydroelectric power, which, while renewable, presents challenges due to seasonal variability in rainfall and river flow.

How does energy storage work?

This energy storage mechanism stores excess energy from hybrid systems, releasing power when the generation can’t meet the connected load and allowing long-term energy sources to be connected in a rapid-response manner 55, 56. The two ways of operation of this energy storage technology are described below.

Why do Ethiopians need diesel generators?

In Ethiopia’s Debre Markos distribution network, frequent power outages, averaging over 800 h annually in the past 5 years, have necessitated the deployment of diesel generators to mitigate the impact on businesses and households.

Do system constraints influence financial and environmental effectiveness of energy storage systems?

The proposed system constraints’ numerical values and the participation rate of renewable energy generation with energy storage systems significantly influence financial and environmental effectiveness.

How does a HREs system affect electricity consumption?

Nonetheless, when the forecasted electricity demand is fulfilled by the HRES system, and the local grid distribution line capacity is upgraded, this leads to the reduction of power losses and an enhancement in the voltage profile of the distribution network.

How does a photovoltaic energy storage system work?

This energy storage mechanism operates conventionally, constantly monitoring energy flow on the electrical network. When excess energy is present, it goes into pumping mode. When photovoltaic sources cannot meet demand, the system switches to power-generation mode.