Thousands of homes were left without power in the Irish midlands after thunder and lightning storms shattered a period of fine weather.
Around 6,000 properties were impacted.
Trim in Co Meath and Tuam in Co Galway were among the places worst affected.
ESB said it was working to restore supplies.
“A lot of #lightning damage in the North West and Midlands,” the network operator tweeted.
Met Eireann issued an orange weather warning, forecasting very heavy and thundery downpours, with a risk of localised flooding, in the midlands and north west.
The Met Office has issued a yellow weather warning in Northern Ireland.