ELECTRIC.IE • The Magazine & Website for the Irish Electrical Industry • 9 Rittal Industry News Two become one: Siemens Energy combines two technologies to stabilize the Irish grid Green energy for 9500 households The proven synchronous condenser technology uses a generator with a ywheel connected. It’s essentially a big "rotating mass“ and with its stored energy, the synchronous condenser provides power reserve, which instantly compensates for frequency uctuations and strengthens the stability of the grid. At the same time, a large-scale battery energy storage system can store or release excess renewable energy when it is needed. It provides a solution to maximize use of renewable energy, even when the wind is not blowing and with a capacity of around 160MWh the battery energy storage could supply around 9500 households with power for a full day. “Innovative technical solutions are essential if we are to combat the consequences of climate change and transition to a netzero grid. Battery storage systems will play an increasingly pivotal role in tomorrow’s global energy infrastructure,” said Tim Holt, member of the Managing Board of Siemens Energy. “By combining our proven experience in grid technology and our ability to innovate, the Shannonbridge hybrid solution will help ramp-up renewables by offering storage and stabilization technology in one connection.” Siemens Energy’s scope includes the synchronous condenser, including the ywheel which will deliver around 4000MWs of inertia onto the system, and the largescale battery energy storage system with around 160MWh as well as power conversion systems, energy management system and medium voltage equipment. The order will generate around 85m Euros for Siemens Energy and work has already begun on site. A small island with big ambitions Achieving Ireland’s climate targets will require massive investment in energy infrastructure. By combining two innovative energy solutions via one connection, Siemens Energy will deliver a exible system to help stabilize Ireland’s grid. Ireland aims to reach net-zero by 2050 and to reduce emissions by 51% by the end of the decade, so is signi cantly increasing use of renewable energy. In addition to carbon emission reduction targets, the country is also experiencing signi cantly growing electricity demand, in part due to its global digital and data hosting industry. Flexibility on offer The current market mechanism in Ireland allows operators to sell services like inertia, short circuit power and reactive power as provided by the synchronous condenser technology to the transmission system operator. To support this, Siemens Energy will also provide an energy management system allowing the customer to respond to market demands and power needs in real-time.. ‒Siemens Energy will deliver the first-ever hybrid grid stabilization and large-scale battery storage plant at Shannonbridge in Ireland. This is the first time, these two technologies have been combined into one, single grid connection to stabilize the grid and make better use of renewable energy.
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