This issue is addressed for the Reunion Island, which aims to reach energy independence by 2030 using 100 % renewables. To that end, a long-term power system analysis is proposed using a comprehensive and coherent approach based on a bottom-up TIMES model providing future production mixes according to different scenarios.
17 January 2023: Aggreko, a world-leading provider of mobile modular power, temperature control and energy services, has been selected through a competitive tender by EDF La Réunion to provide 24MV diesel mobile power units to the Bois-Rouge power plant in Reunion Island. The power solution will enable EDF La Réunion to convert the plant from
17 January 2023: Aggreko, a world-leading provider of mobile modular power, temperature control and energy services, has been selected through a competitive tender by EDF La Réunion to
Reunion Island is a relevant example because in addition to biomass resources (bagass, the residue from processing sugar cane after the juice is extracted, and wood), the power system will need to foster a broad range of renewable energy sources including ambitious penetration targets for photovoltaics and ocean energy, resulting in a high
Despite its advantages, microgrid has to operate with a significant proportion of constant power loads that exhibit negative incremental impedance and thus cause serious instability in the system. In this paper, a comprehensive review is presented on accomplished research work on stabilization of dc and ac microgrid.
To assess future power mixes in Reunion Island, we develop a TIMES-Reunion model that enables us to perform a prospective analysis. We also rely on two reliability indicators to quantify the reliability of power systems׳ management according to their dynamical properties.
This includes replacing sugar cane with different food crops; restricting urbanization; increasing the capacity for producing energy from waste; significantly scaling up photovoltaics that convert sunlight directly into energy; and convincing Réunion islanders to make certain lifestyle changes.
Although laudable, switching to renewables will not solve the self-sufficiency problem. The renewable sources Réunion uses to generate electricity will still be mainly imported from abroad. “Forests will be cut in Canada to put in our furnaces in Réunion island,” says Mathieu David, who studies mechanics and energy at the University of La Réunion.
Although electricity self-sufficiency on Réunion is theoretically possible, there are still a number of constraints imposed by factors such as nature, technology and economics. The island’s remote location and geographical features are serious challenges for starters.
Part of this concern stemmed from Réunion’s over-reliance on imports, including for energy, says Russeil, who is now at the French National Research Institute for Agriculture, Food and Environment in Paris.
“If there’s climate-change problems, or war, or any political conflict in the world, Réunion wouldn’t be the first region where people would think to send food or energy,” says Jean Philippe Praene, who studies renewable energy at the University of La Réunion in Saint Denis. “So we have to be as self-sufficient as possible.”
And there are other sustainable options that Réunion could pursue that don’t require complete self-sufficiency, such as purchasing a small amount of renewable fuel from abroad — for example, green hydrogen from Australia. Far from a failing, Grondin says, this would just be a smart way to strategize.
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