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It's no secret Australia has abundant and cheap renewable energy, especially wind and solar power. But yes, there are times when the sun doesn't shine and the wind doesn't blow. We need energy storage to get us through those still nights and dreary days.

The Australian Energy Market Operator (AEMO) reports investment in storage capacity continues to increase, filling gaps left by retiring coal-fired power stations. But it warns sufficient storage is needed to ensure electricity supply is reliable throughout the transition.

Energy storage is the special sauce that makes renewables work anytime, anywhere and everywhere. Being able to send this stored renewable energy back to the grid on demand makes the most of the existing electricity network, including transmission lines.

We need both short- and long-duration storage to maintain energy security. This will enable renewable energy to be collected, stored and dispatched when needed. AEMO forecasts reliability levels can be maintained over most of the next ten years if programs and initiatives already established are delivered on time and in full. But we can't afford any delays.

Storage on the grid

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