Power on a schedule the moon keeps.
Four arrays on the seabed, 48 MW installed. Output rises and falls four times a day — and unlike wind or sun, every one of those turns is known thirty days in advance to within four minutes.
Fleet at a glance
Rolling figures across all four arrays. Demo values.
One day of output
The shape of a semidiurnal tide: four generating peaks, and four slack windows where output drops to near zero. The dotted lines mark slack water.
Why predictability matters
Day-ahead forecast error, as a share of output. Lower is better. Tidal's case is not that it generates more — it is that the number is known before the day starts.
The four arrays
34 turbines in total: 32 in the water and two on the quay at Bracken Head.
Generation by month
Gigawatt hours per array. Winter runs higher: bigger spring ranges, stronger flows through every race.
Tide table
Published for Corran Sound. Maintenance windows are booked against this table, not against a weather forecast.
| Date | High water | Low water | Range |
|---|
How it was built
From one survey licence to a 48 MW fleet in ten years.