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Large scale energy storage and smart grid on German island

Thu, 09/12/2013 - 17:52 -- Ruth Williams
The island of Pellworm off the northern coast of Germany

E.ON Energy has deployed Europe’s first smart local energy system on the small German island of Pellworm in the North Sea.

The system is a platform for testing and refining localised storage of renewably sourced electricity, as well as the operation of a smart grid.

E.ON worked alongside Schleswig-Holstein Netz to install an energy-storage system with data links between customers' electricity meters and the island's wind and solar power plants to harness the maximum amount of locally produced energy possible.

Surplus electricity can be stored in large-scale lithium-ion and redox flow batteries, which are integrated into the regional power grid, as well as in small-scale storage devices at customers' homes for use at times when generation is low.

The project aims to address the problem of intermittency with renewables by balancing output for localised use. The €10 million project received funding from several federal German ministries as part of the Federal Energy Storage Initiative.

California becomes first state to introduce energy storage targets

Thu, 09/05/2013 - 16:54 -- Ruth Williams
Welcome to Cali

The California Public Utilities Commission (CPUC) has authored a proposed decision to install 1.325GW of energy storage across the state by 2020. Commissioner Carla Peterman has set out year-by-year procurement targets for Southern California Edison (SCE), San Diego Gas & Electric (SDG&E) and Pacific Gas & Electric (PG&E).

The installed energy storage can come from any type of technology and can be employed for a variety of functions such as capacity, ancillary services and peak shaving.

PG&E and SCE are each required to install 580 MW of capacity and SDG&E must acquire 165 MW in total by 2020. The utilities would be allowed to own some of the energy storage capacity as part of their distribution system planning process.

This is the first time energy storage has been included in a State policy, supporters hope it will create a market for electrical energy storage solutions. There has been opposition to the proposal from stakeholders, including generator set trade representatives, who believe electricity storage suppliers should compete in the capacity market with other technologies rather than being prioritised in such a way.

The first installations of capacity must be no later than December 2014.

Younicos and Samsung collaborate for multi-MW battery parks

Mon, 04/22/2013 - 18:36 -- Ruth Williams

Renewable energy systems specialists Younicos, and Samsung SDI have announced a strategic partnership to build megawatt scale grid-tied battery parks. Younicos has specialist control strategies that will be combined with Samsung’s expertise in lithium-ion cells in the fully-automated battery parks.

These parks will play a crucial role in enabling the use of up to 100% wind and solar energy in existing grids and making renewable energy sources competitive. The battery parks will offer frequency regulation, voltage control, black starts, and short circuit power and have a construction time of 12 months.

Samsung has guaranteed the performance of the cells for 20 years.??

German-based Younicos has been trialing its first MW-scale battery system since December 2012, with success to prove the technical and commercial viability. Younicos focuses heavily upon using batteries as a means to store energy from renewable sources. It will partner with Samsung SDI for system integration and lithium-based systems in European markets including Germany, Austria and Switzerland. 

Clemens Triebel, Founder and speaker of the board of Younicos explained the pairing with Samsung: “We’ve tested all industrially available lithium cells since 2007. Samsung provides the commercially most suitable cell technology for balancing short-term fluctuations in the grid. With Samsung’s unique 20-year guarantee, we are setting a new benchmark in this emerging market. Our battery parks will provide crucial grid stability functions much faster, more efficiently and cheaply than conventional fossil plants, allowing us to switch off coal and other thermal power plants when sufficient wind and solar power is available. Even though current market design does not yet reward these advantages, our battery parks can already compete in markets for frequency regulation and also provide additional system services.”??

The partnership will be extended to use Samsung’s lithium battery technology for Younicos’s current energy storage hybrid battery systems for off-grid renewable energy storage. 

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