Rapid Growth in Australia’s Distributed Storage Market: REI
Utility-scale batteries are particularly well suited to energy arbitrage, whereby they charge during periods of low or negative prices and discharge during periods of high prices. This is their primary source of revenue. They are also the leading providers of frequency control ancillary services (FCAS), including regulation services and contingency reserves that help maintain system frequency close to 50 Hz. These services require rapid response times, giving lithium-ion batteries a significant competitive advantage. Batteries typically charge during periods of strong daytime solar generation and low electricity prices, then discharge during the evening when solar output declines and demand remains elevated, enabling energy arbitrage while supporting grid stability and limiting curtailment.
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