Information is based on the real time measurements in Fingrid's power control system.
Power deficit/surplus represents the balance between production and consumption in Finland, taking into account imports and exports. It is calculated as the difference between the measured net import/export and the confirmed net exchange program between Finland and the other Nordic countries. The cumulative production deficit/surplus is the hourly energy generated from the difference.
Sign convention: production deficit-, surplus +
Time deviation is the time difference in seconds between a clock running according to the frequency of the grid and a reference clock independent of the frequency of the grid.