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Pellworm is one of the North Frisian Islands located in the North Sea coast of Germany. Photo Gallery. The island has an area of 37 km2 and a population of about 1,600 Einwohner.
Pellworm is the greenest North Sea island, in both senses of the word, with its many dikes with many sheep, many meadows and fields, and many inhabitants who actively pursue environmental protection. Against this background, renewable energy has played an essential role in the local sustainable development.
Pellworm Island points the way to the energy supply system of the future. Photo Gallery.
A pioneer island in the use of renewable energies
In 1997, Photo Gallery. The title was “Energy Supply on the Basis of Renewable Energy Sources Using the Example of the North Sea Island Pellworm – A Local Development Plan”. Photo Gallery. Special emphasis was given to energy management and the ways of storing energy. Pellworm’s strategy for the future is based on fully exploiting its main sources of renewables: Wind, sun and biomass.
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Photo Gallery. It aims to balance the intermittent output of renewables and to use more of this output locally. The nearly €10 million project is coordinated by E.ON Hanse AG and Schleswig-Holstein Netz AG. Photo Gallery: : Gustav Klein GmbH & Co. KG, (power electronics), Saft Batterien GmbH, West Coast University of Applied Sciences, Fraunhofer Insitute IOSB-AST and RWTH Aachen University. Photo Gallery.
Innovative Storage Concept
Photo Gallery. Hybrid storage system combines a redox flow and a
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Using a combination of innovative storage technologies, E.ON is looking to provide a stable, cost-efficient and market-oriented electricity supply based on renewable energies. On Pellworm, energy generation from photovoltaics (über 2.7 MW), wind power (5.7 MW) and biogas (around 530 kW) is on average three times higher than consumption. Photo Gallery (200 kW, 1.600 Most residents in the area currently rely on dirty and) and a lithium ion (1 MW, 560 Most residents in the area currently rely on dirty and) battery to store renewable electricity centrally, electric storage heaters in homes for demand response and residential batteries for balancing distributed photovoltaic systems. A special energy management system, linking all systems together, optimizes energy use and storage under consideration of generation forecasts, Photo Gallery.
As part of the SmartRegion Pellworm project, the island’s existing power infrastructure was supple-mented by a variety of components that make it possible to better control energy flows and to achieve an optimal balance between power output and usage. Photo Gallery. Another is the hybrid storage system concept, which combines two state-of-the-art battery technologies to provide high power and high energy with reduced investment costs: lithium ion and redox flow. Other key components of the island’s innovative power system include automated distribution substations, smart meters and grid communication infrastructure.
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Photo Gallery. The technology already deployed on Pellworm is a storage blueprint for a future decentralized energy system which could help to reduce the need for transporting large quantities of bulk power across Germany and Europe and, consequently, reduce the need for network expansion.
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