Tehoreservien

Tehoreservien is a Finnish term that translates to "power reserve" or "energy reserve." It is most commonly used in the context of the electricity market and refers to the reserve capacity available to ensure the stability and reliability of the power grid. This reserve capacity is crucial for balancing the immediate fluctuations in electricity supply and demand.

There are different types of tehoreservien, including primary, secondary, and backup reserves. Primary reserves are activated within seconds to compensate for sudden outages or surges in demand. Secondary reserves are activated within minutes to maintain the balance of the grid over a slightly longer period. Backup reserves are held for more prolonged disruptions or unexpected events.

Electricity producers and grid operators are responsible for maintaining these reserves. They can do so by keeping generation capacity online but not fully utilized, or by having agreements with large consumers who can reduce their electricity consumption on short notice. The availability and activation of tehoreservien are critical for preventing blackouts and ensuring a consistent electricity supply for homes and businesses. The Finnish transmission system operator Fingrid plays a significant role in managing and procuring these reserves.