Kythnos Island is located in the Aegean Sea, close to Athens. The Kythnos Island Project was funded by the European FP 5 Microgrids program, the objective of which was to test centralized and decentralized control strategies for islanding. Contact online >>
Kythnos Island is located in the Aegean Sea, close to Athens. The Kythnos Island Project was funded by the European FP 5 Microgrids program, the objective of which was to test centralized and decentralized control strategies for islanding.
It is a small village scale autonomous microgrid, composed of a 3-phase low-voltage network, solar PV generation, battery storage, and a backup generator. The grid is composed of overhead power lines and a communication cable running in parallel to serve monitoring and control requirements.
There are 10 kW of PV at two locations, a nominal 53 kWh battery bank, and a 5 kW diesel genset. A second PV array of about 2 kW connected to an SMA inverter on the roof of the control system buildings provides power for monitoring and communication, backed up by a nearby 32 kWh battery bank.
The island of Tilos in Greece''s Aegean Sea is going to host the country''s first renewable energy plus battery storage system. The microgrid will be able to support the island’s population, replacing diesel generators. Ilias Tsagas of pv magazine explores why this is so significant for Greece.
Tilos is a Greek island located in the south-eastern Aegean Sea, with a population of about 500. The island has often generated big news, and about a decade ago its mayor carried out Greece''s first same-sex weddings between two men and two women respectively, despite Greece then not allowing same-sex partnerships.
This time, Tilos is preparing to embrace another first, although on a totally different front. The island is soon to host Greece''s first ever battery storage system and smart microgrid based on renewable energy.
Tilos'' project comprises 13 enterprises and institutes from 7 European states and its "main goal is to demonstrate the potential of local and small-scale battery storage to serve a multipurpose role within an island microgrid that also interacts with a main electricity network. Among others, the project aims to achieve large-scale renewable energy systems penetration and asset value maximization," says the project coordinator.
Dr Dimitris Zafirakis, of the Piraeus University of Applied Sciences, which is the coordinator of the project, told pv magazine that Tilos'' system installation will commence in June and conclude by the end of the summer. Testing will start immediately after.
Greek energy regulator RAE has licensed the Tilos project, which will include a photovoltaic park of 160 kW capacity, a sole 800 kW wind turbine and two battery containers of 1.44 MWh/400 kW each. According to RAE''s license, Tilos'' hybrid system will guarantee a power output of 400 kW for 5 hours per day.
Greece''s Eunice Energy Group, a renewable energy developer, will provide financing for the purchase and installation of the renewable energy facilities, while the rest of the project is fully funded from the European Union.
Piraeus University of Applied Sciences provided an initial study for the project and now coordinates it, while Berlin-headquartered Younicos, a leading intelligent battery solutions provider, is responsible for the design and implementation of the system''s real-time operations management.
The project''s DSM is covered by Germany''s leading EPC and energy management company Eurosol Energy Solutions, which has developed a prototype smart meter and DSM device, already rolled out in several island households.
Italy''s FZSonick (former Fiamm) provides the batteries, which together with advanced inverters have been used to build an integrated battery storage system, fully tested at Younicos'' laboratories in Berlin. Upon completion of the project, Eunice will be responsible for its commercial operation
pv magazine has explored the case of Greece''s islands before. Most of the country''s isles are not interconnected to Greece''s mainland electricity grid, and rely predominantly on power produced via diesel generators. Apart from environmentally hazardous, energy generation from diesel has also an extortionate cost, on average up to three times higher than in the mainland Greece.
Islanders do not bear this extra cost exclusively, which instead is subsidised via the electricity bills of electricity consumers all over Greece. Consecutive national and local governments have done very little to alleviate the islands from the diesel power production, which does not make environmental or financial sense.
Ilias Tsagas:Â Greek-born Ilias has written for pv magazine since 2012, reporting on renewable energy news, electricity market developments and energy policy. His geographic area of expertise includes Europe and the MENA region.
Tried to get the Greeks interested in a more substantive (& fully funded project – with no need for EU or public money). Total waste of time – couple of visit to Greece – got nowhere – advice to anybody wanting to do business in this area in Greece – don’t bother, don’t waste your time, don’t waste your money.
I am not sure if there is a hotel that speaks Polish 🙂However, the Tilos island is very welcoming towards non-Greeks. In fact, there is a welcome shelter for Syrian refugees that arrive in the island. Obviously, Polish are different, since we are all together in the EU and happy to co-exist. But in general, I would say the island is very positive towards foreigners.
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