Planning of Aegean Archipelago Interconnections to the Continental Power System of Greece

Karystianos, Michalis; Pitas, Charalampos N.; Efstathiou, Stamatina P.; Tsili, Marina A.; Mantzaris, J.; Leonidaki, E.A.; Voumvoulakis, E.M.; Sakellaridis, N.

doi:10.3390/en14133818

Cited by 3 publications

(2 citation statements)

References 17 publications

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“…The evaluation of long-term power system planning should consider some time horizons, and consists of some topology changes in the power system as presented in [21,22]. For that purpose, static and dynamic analyses should be performed to determine the power system's component rating.…”

Section: Introductionmentioning

confidence: 99%

“…For that purpose, static and dynamic analyses should be performed to determine the power system's component rating. HVAC and a hybrid HVAC-HVDC interconnection were decided on in [21], while two voltage levels for the proposed transmission system were selected in [22]. The power electronic technology, such as many inverter topologies for the energy conversion process, also plays an important role in the planning of the power system with a high penetration of renewable energy as presented in [23].…”

Section: Introductionmentioning

confidence: 99%

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Power System Planning Assessment for Optimizing Renewable Energy Integration in the Maluku Electricity System

et al. 2022

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The planning of electrical power systems in remote island areas poses a few challenges, such as requiring many load centers, various energy sources, and certain geographical conditions, which leads to inefficiencies in energy production. For this reason, it is necessary to plan an electrical transmission system to efficiently transfer the power between load centers. Previous research has found that the completion of the most economical power system will be achieved in 2050 on the condition that the Ambon, Seram, Haruku, and Saparua (Ambon-SHS) systems are interconnected in 2025. Providing complementary support, this paper conducts a power system analysis to assess the proposed interconnection system in Maluku Island, which has several islands, small load centers, and local renewable energy resources. The power system analysis was performed using DIgSILENT PowerFactory and was carried out every 5 years of the system planning period until 2050. The results show that the design of the obtained transmission system meets the standard security criteria, which include thermal loading and voltage, being under both normal and N-1 contingency conditions, a short-circuit current, voltage stability, frequency stability, and transient stability. Finally, this paper demonstrates that the proposed plan is economically and technically feasible.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Power System Planning Assessment for Optimizing Renewable Energy Integration in the Maluku Electricity System

et al. 2022

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Pumped-storage hydropower and hydrogen storage for meeting water and energy demand through a hybrid renewable energy system

Papathanasiou,

Bertsiou,

Baltas

2024

Euro-Mediterr J Environ Integr

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The majority of the Greek islands have autonomous energy stations, which use fossil fuels to produce electricity in order to meet electricity demand. Also, the water in the network is not fit for consumption. In this paper, the potential development of a hybrid renewable energy system is examined to address the issue of generating drinking water (desalination) and electricity while releasing zero pollutants into the atmosphere. Wind turbines supply wind energy, while an additional amount of energy is stored using pumped-storage hydropower and green hydrogen tanks. These two storage options are investigated for the purpose of storing and distributing clean wind energy in a controlled manner. Three scenarios are investigated. The first scenario only relies on the pumped-storage hydroelectricity technology (88% of the total annual power demand is covered), the second scenario investigates hydrogen storage technology (83% of the total annual electricity demand is covered), and the third scenario uses a hybrid storage solution consisting of pumped-storage hydropower and green hydrogen tanks (95% coverage).

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Sustainable Power Generation Expansion in Island Systems with Extensive RES and Energy Storage

Karapidakis,

Kalogerakis,

Pompodakis

2023

Inventions

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Insular networks constitute ideal fields for investment in renewables and storage due to their excellent wind and solar potential, as well the high generation cost of thermal generators in such networks. Nevertheless, in order to ensure the stability of insular networks, network operators impose strict restrictions on the expansion of renewables. Storage systems render ideal solutions for overcoming the aforementioned restrictions, unlocking additional renewable capacity. Among storage technologies, hybrid battery-hydrogen demonstrates beneficial characteristics thanks to the complementary features that battery and hydrogen exhibit regarding efficiency, self-discharge, cost, etc. This paper investigates the economic feasibility of a private investment in renewables and hybrid hydrogen-battery storage, realized on the interconnected island of Crete, Greece. Specifically, an optimization formulation is proposed to optimize the capacity of renewables and hybrid battery-hydrogen storage in order to maximize the profit of investment, while simultaneously reaching a minimum renewable penetration of 80%, in accordance with Greek decarbonization goals. The numerical results presented in this study demonstrate that hybrid hydrogen-battery storage can significantly reduce electricity production costs in Crete, potentially reaching as low as 64 EUR/MWh. From an investor’s perspective, even with moderate compensation tariffs, the energy transition remains profitable due to Crete’s abundant wind and solar resources. For instance, with a 40% subsidy and an 80 EUR/MWh compensation tariff, the net present value can reach EUR 400 million. Furthermore, the projected cost reductions for electrolyzers and fuel cells by 2030 are expected to enhance the profitability of hybrid renewable-battery-hydrogen projects. In summary, this research underscores the sustainable and economically favorable prospects of hybrid hydrogen-battery storage systems in facilitating Crete’s energy transition, with promising implications for investors and the wider renewable energy sector.

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Planning of Aegean Archipelago Interconnections to the Continental Power System of Greece

Cited by 3 publications

References 17 publications

Power System Planning Assessment for Optimizing Renewable Energy Integration in the Maluku Electricity System

Power System Planning Assessment for Optimizing Renewable Energy Integration in the Maluku Electricity System

Pumped-storage hydropower and hydrogen storage for meeting water and energy demand through a hybrid renewable energy system

Sustainable Power Generation Expansion in Island Systems with Extensive RES and Energy Storage

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