[OTEC CONFERENCE] HOW WE CAN RECOVER INVESTMENTS TO GENERATE ECONOMIC VALUE IN THE COMPANY THROUGH CAES. In-person modality

Scope of the study

• The historical evolution (1973–2023) of population and energy demand is analyzed on a global scale, in the European Union, in developed economies and in developing countries.
• The evolution of the main sources of renewable energy and the technological development associated with each one are analyzed.

Subsequently, the case of Spain is addressed, with the following specific objectives:

• Quantify the current consumption of fossil energy in the electricity generation, industry, transport and services sectors. The most efficient renewable technology is identified for each sector and the energy that each source should provide to replace fossil fuels is estimated.
• Design an electrical energy storage system that allows renewable generation to be adapted to the demand curve.
• To develop the electrical energy storage system, we have developed a calculation program that allows us to simulate hourly balances and determine the optimal values of the power of wind plants (EOL), solar photovoltaics (SFV) and manageable E., as well as the storage capacity of Seasonal Cycle Storage Systems (SACE) and Daily Cycle Storage Systems (SACD).
  

Alternatives analyzed for the energy transition in Spain.

Four possible scenarios for the configuration of the electrical mix are evaluated.

• Complete withdrawal of the nuclear fleet and contribution of manageable E. equivalent to 5% of total electricity generation.
• Maintenance of the current nuclear fleet (7 GW) and contribution of manageable E. equivalent to 5% of total generation.
• Maintenance of the current nuclear fleet (7 GW) and increase in the contribution of manageable E. up to 10% of total generation.
• Increase in the weight of nuclear generation to 20% of total electrical energy production and contribution of manageable energy equivalent to 5%.

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