Deploying Renewable Energy Sources and Energy Storage Systems to Achieve Energy Security in the R. of Moldova
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COMENDANT, Ion; DUPLEVA (PREPELIŢA), Iulia; TURCUMAN, Lilia. Deploying Renewable Energy Sources and Energy Storage Systems to Achieve Energy Security in the R. of Moldova. In: Analele universitatii din Craiova - Seria Inginerie electrica. 2019, nr. 1(43), p. 0. ISSN 1842-4805.
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Analele universitatii din Craiova - Seria Inginerie electrica
Numărul 1(43) / 2019 / ISSN 1842-4805

Deploying Renewable Energy Sources and Energy Storage Systems to Achieve Energy Security in the R. of Moldova


Pag. 0-0

Comendant Ion, Dupleva (Prepeliţa) Iulia, Turcuman Lilia
 
Institute of Power Engineering
 
Disponibil în IBN: 26 noiembrie 2020


Rezumat

100% RES scenario to improve energy security of R. Moldova is analyzed. Economic simulations are used. The paper shows that only about 70% of the demand could be covered directly from wind farms (WF) and photovoltaic (PV) energy sources (WPES). The remained 30% of energy (RE) - by energy storage system (ESS) with a capacity (kWh) of 32% from RE and a power (MW) of 87% from maximum power demand. As country doesn’t have its own hydro reserves, Li-ion batteries are considered for ESS. The investment in such SSE would exceed 3-52 times national GDP and that makes unrealistic 100% RES scenario for R. Moldova. As analysis showed, there are more than 1400 episodes within the year when energy to cover daily demand cannot be accumulated during 1 to 4 days. By reducing SSE capacity to a value equal to the daily energy demand and maintaining ESS power, it was found that the levelised tariff of WPES+ESS scenario exceeds, however, those of traditional scenarios. Only 5% of energy produced by WPES can be accumulated in such ESS, the remaining 25% - by importing night electricity, at negligible price in the calculations.