Featured in The compelling case for big batteries – 08-2021

A lifetime plan for your solar+storage asset

For developers and investors who are ready to start talking about solar+storage projects, there are some interesting and not so straightforward decisions to be made on the sizing of assets. Siobhán Green, lead on battery storage in continental Europe for Everoze, looks at the different approaches to sizing and how to choose between them. In particular, she assesses the ‘lifetime’ factors to dimensioning and discusses how to plan for degradation and potential through-life resets to the revenue stack.

By

pv magazine

09 Aug 2021

This 4.7 MW battery facility was built at a Renault vehicle factory in Douai, France. As a relatively young market for energy storage, investors in the country expect batteries to deliver the same set of benefits – most often frequency containment reserve and capacity market services – for a project’s entire lifetime. | Image: The Mobility House

The main incentive for co-locating utility-scale storage with solar today in well interconnected locations is to optimize capex (grid connection costs) and opex (grid use-of-system charges), rather than to generate revenue from storing and time-shifting excess solar generation. The battery energy storage system (BESS) is unlikely to be dimensioned to store excess solar because the …

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