Beyond connection | What separates high-performing sub-5 MW batteries
battery storage market
Beyond connection | What separates high-performing sub-5 MW batteries
Two years ago, the investment thesis behind most sub-5MW battery projects was simple. Connect the asset, register it, capture energy and Frequency Control Ancillary Services (FCAS) revenue. For a period, that was enough to generate strong returns. But that is no longer the case.
FCAS revenues have compressed as more assets have entered the market. Energy volatility is harder to capture consistently. A growing share of new projects are being built as hybrids rather than standalone batteries. Lenders are asking more sophisticated questions about downside protection. And developers with more than one project on the ground are having to think about portfolio scalability much earlier than they used to.
Many projects are still evaluated against a simple checklist: can it connect, can it register, can it start earning market revenue. Those questions still matter, but they now describe the baseline, not the differentiator. The more useful question is: what separates a highperforming battery portfolio from an average one?
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