For reasons into which I will go presently, Irish electricity users are currently at risk of black-outs as consumption is very close to the limit of capacity. Were the biggest generating station to experience a failure, there would be a deficit.
I have sought permission from Eirgrid to show their real-time data here; in the meantime, the real-time information is only a click away.
To put it in context, the total available capacity is of the order of 5700 megawatts, which includes interconnector capacity. Poolbeg generates 1,000.