Assessing the benefits of regulating power market integration in Northern Europe

► Nordic hydro power is well suited for power system balancing. ► The export of balancing services from Nordic to continental Europe is proposed to handle intermittent power production. ► An integrated Northern European regulating power market is analysed. ► There are significant possibilities of exchanging regulating capacity as well as regulating energy. ► The regulating market integration reduces the activation of regulating reserve and the socio-economic costs.