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Developing sustainable power solutions for the future

11 July 2016

Eaton partners with key companies to develop a new portfolio of energy storage solutions that suit a wide range of sectors.

The positioning of a suite of technologies comes in anticipation of strong demand for energy storage, with distributed energy storage system revenues expected to skyrocket from $452 million in 2014 to more than $16 billion in 2024, according to the clean technology consultancy Navigant Research.

Eaton’s new energy storage solutions are being driven by three key factors; functionality, sustainability and efficiency. With that in mind, Eaton have partnered with key carmaker, Nissan, utilising its electric car battery technology to create an innovative and scalable energy storage and control system. This solution gives a second-life to old batteries from electric cars, specifically the lithium-ion battery packs from Nissan’s Leaf range. This energy storage solution has a wide range of benefits that include securing continuity of supply, integration of renewable energy sources, avoidance of peak energy tariffs, participation in demand response programs and a reduction in the reliance on expensive fuels such as diesel. 

The battery technology is combined with an uninterruptable power supply (UPS) from Eaton, into a single, packaged system with the capability to integrate any solar PV system. Importantly, this allows customers to manage their energy consumption and supply while connected to or independent of the grid. With the integration of the photovoltaics, the connection is not just via an input on the UPS – it is connected inside the UPS on the DC bus which acts to minimise the losses on the system. The UPS is programmed to select the optimum mix of power source according to load, grid constraints and availability of renewables.

To read DPA’s previous coverage on Nissan and Eaton equipping a new eco-designed Webaxys data centre with the energy storage solution, click here.

The battery-based energy storage systems are proving highly desirable because they provide utilities companies with ultra-fast response balancing services to the electric grid. Also, their modular nature means they represent a truly scalable design solution. Such is the potential for the technology that around 11GW of energy storage capacity are expected to be installed by 2020 across 22 countries, according to Navigant Research.

Furthermore, Eaton offers Advancion technology from AES Energy Storage as part of its grid-scale, integrated energy storage portfolio. This is throughout Europe, the Middle East and Africa. The Advancion system is completely dependable as it’s constructed from certified, long-life and high efficiency sealed batteries. It also features a modular architecture where additional nodes can be added for increased output. This design allows for standard modular configurations over 1,000MW and from 15 minutes of duration to over four hours without any re-engineering. 

Advancion can provide critical grid balancing, with frequency response in less than a second to stabilise an interconnection. By shifting reserve capacity to battery storage, generators can sell more power from the same plant. By locating Advancion in a critical load pocket, utilities can meet peak demand needs and receive twice the flexible range of a typical peaker plant to integrate renewable generation, while reducing system-wide emissions.

These solutions are suitable for residential and commercial markets through to large industrial and grid-scale applications.

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