When the frequency of Ireland’s electricity grid dropped below normal operating range in May, two large-scale battery storage projects stepped in to help within 180 milliseconds, injecting power to help support and stabilise the network.

The grid operator for the Canadian province of Alberta’s forthcoming technology pilot for fast frequency response services is a “step in the right direction” to enable energy storage deployment, but current regulatory conditions present barriers to maximising the value of batteries and other storage, Energy-Storage.news has heard.