EKW Engadiner Kraftwerke AG is a Swiss hydropower company based in Zernez. It is one of the largest electricity producers in Switzerland, utilizing the power of the Inn and Spöl rivers for electricity generation. The company operates several power plants in the Engadin region, including the Pradella power plant, which is the second-largest electricity producer in Switzerland. Besides electricity production, EKW is involved in maintenance projects, grid renewal, and new power plant construction, and also operates the Munt La Schera tunnel.