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Press Event31 August 2017,
updated31 August 2017Siemens AG / Smart InfrastructureWildpoldsried
Successful test of island grid as milestone for an energy transition project
Wildpoldsried, 31 August 2017
Save the date2017-08-31T00:00:00Europe/Parisuse-titleSuccessful test of island grid as milestone for an energy transition projectSiemens successfully demonstrates with project partners first operation of an islanded grid using only renewable powerUninterruptible, stable grid operation possible thanks to a microgridElectricity pioneers in Wildpoldsried, Allgäu, GermanyRegional insights will have a global impactWildpoldsried
The demands on power grids are growing continuously as the portion of renewables-based and distributed energy systems is increasing. Siemens and its project partners have been decoupled the local power grid in Wildpoldsried from the main power grid. For the small community this is a milestone, for the energy transition in Germany and the ambitions worldwide to decarbonize the energy system the successful demonstration sets an exclamation mark.
Save the date2017-08-31T00:00:00Europe/Parisuse-titleSuccessful test of island grid as milestone for an energy transition projectSiemens successfully demonstrates with project partners first operation of an islanded grid using only renewable powerUninterruptible, stable grid operation possible thanks to a microgridElectricity pioneers in Wildpoldsried, Allgäu, GermanyRegional insights will have a global impactWildpoldsried
The demands on power grids are growing continuously as the portion of renewables-based and distributed energy systems is increasing. Siemens and its project partners have been decoupled the local power grid in Wildpoldsried from the main power grid. For the small community this is a milestone, for the energy transition in Germany and the ambitions worldwide to decarbonize the energy system the successful demonstration sets an exclamation mark.
In Wildpoldsried, Siemens experts have succeeded in decoupling a local power network from the public grid. This is an important step in advancing the transition to a new energy mix. In a five-stage process, they demonstrated how the local grid could be switched to isolated operation at the push of a button.
Wildpoldsried is a special location. Over the whole year, it generates seven times as much power as it consumes. And that's just from renewable energy sources. The isolated network trial proved a success and showed that the local grid can be switched to autonomous operation with no interruption to service.
The small community in the Allgäu district is a good location for a pioneering trial. Energy pioneers from Siemens and its partner companies have been experimenting here for years now, to determine the form that a future intelligent power network – a Smart Grid – can take. Intelligent controller and energy storage enable these networks to keep volatile generation and consumption in balance, thus making stable grid operation possible. Since 2011, as part of the research projects Irene and IREN2, Siemens has worked with partner entities Allgäuer Überlandwerk AG, ID.KOM, RWTH Aachen, and Kempten University to build and test a Smart Grid in Wildpoldsried. The isolated network trial was the culmination of many years of research and testing.
Depending on the amount of sunlight available, the lithium-ion battery has to either temporarily store surplus power or feed it when needed. The battery has a maximum output of 300 kilowatts and a capacity of 138 kilowatt-hours.
Experts from Siemens, working with partners from science and industry, have succeeded in demonstrating that a local electricity grid can function in isolation, using Wildpoldsried as an example. Such autonomous grids help ensure a reliable power supply even in the case of disruptions like storms or floods. To begin with, the experts initiated a deliberate power failure, putting out the lights in the affected part of the low-voltage grid. They then restored the power supply, but as a local isolated network this time.
Experts from Siemens, working with partners from science and industry, have succeeded in demonstrating that a local electricity grid can function in isolation, using Wildpoldsried as an example. Such autonomous grids help ensure a reliable power supply even in the case of disruptions like storms or floods. To begin with, the experts initiated a deliberate power failure, putting out the lights in the affected part of the low-voltage grid. They then restored the power supply, but as a local isolated network this time.