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Island energy storage projects offer a test bed for the systems and technologies that might proliferate on the mainland on a much larger scale. Photo credit: El Hierro renewable energy project, ABB energy storage systems

Islands of energy storage

Energy storage for island communities has been in the news a lot recently. Hawaii has been seeking out up to 200MW of storage, while El Hierro in the Canaries is set to become the first island to rely entirely…


As SolarCity resumes installation applications for its solar energy storage systems in California, we assess the wider potential for batteries and distributed energy storage.

Distributed energy: battery’s holy grail?

Grid-scale battery makers might want to re-set their sights on distributed energy storage if current market trends are anything to go by. Across a number of major renewable power markets, demand for commercial and residential…


We look at developments in the inverters for battery storage market from companies such as Eguana Technologies, ABB, Outback Power and SMA, who have a whole battery inverter family for integration with solar energy.

Is battery storage a new growth area for inverters?

Inverter makers are increasingly catering for battery storage even though the scale of the opportunity is still dwarfed by solar. Last week, for example, Eguana Technologies trumpeted Chinese patents for its Bi-Direx line of inverter platforms. Eguana…


We analyse the current and future markets for flywheel energy storage, reviewing developments from established companies such as Beacon Power and ABB, to startups like Temporal Power. Photo credit: NASA

Flywheel energy storage: going somewhere fast?

With all the hoo-hah around the developing nexus between Tesla, SolarCity and Panasonic, the battery subsidies on offer in Japan, plus NEC’s buyout of the A123 Systems grid energy storage unit from Wanxiang, you could be forgiven…