How to determine meaningful, comparable costs of energy storage

on April 5, 2016

Energy Storage News

The future market for stationary energy storage systems (ESS) is one of the most heavily discussed topics in the power industry today. Significant growth is expected in particular for stationary battery systems, which accounted for only 2GWh globally in 2015 but is expected to grow to 33GWh by the end of the decade.

One of the key drivers – and prerequisites – of this growth is a significant cost decrease and the resulting competitiveness of energy storage systems compared to traditional, non-storage solutions. At the same time, an increasing number of ESS technologies has become available for commercial application in a variety of use cases, each with a different cost of energy storage that needs to be compared thoroughly.

But what does “cost of energy storage” really mean?

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Energy Storage NewsHow to determine meaningful, comparable costs of energy storage

Where micro-grids, emerging markets and flow batteries intersect

on March 15, 2016

Energy-Storage-News

Much of the discussion regarding renewables and energy storage takes place from the perspective of advanced economies that have strong, well developed, and highly reliable grid infrastructure providing power as needed.

What is missed often in these discussions is that while energy storage has an increasingly important role to play in the “strong grid” regions, it has a highly critical, almost essential, role to play in vast regions of the world that are more typically associated with high cost energy, such as islands, weak and/or intermittent grids (which exist on at least three continents), or even no grid at all, which applies to approximately 20% of the global population that is believed to have no access to electric power. From an energy sector perspective, these regions are often referred to as emerging markets.

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Energy Storage NewsWhere micro-grids, emerging markets and flow batteries intersect