Sachverständigenbüro Harald Eden investigates fire causes in buildings, technical plant, wind-turbine and photovoltaic installations from Wangerland in Friesland. Dipl.-Ing. Harald Eden is öffentlich bestellter und vereidigter Sachverständiger für Brandursachen und elektrische Anlagen der Energietechnik, appointed by the IHK Oldenburg, and is additionally a VdS-recognised expert for electrical installations. The practice combines fire-cause determination with electrical damage analysis and produces reports and inspection documentation for insurers and litigants. Harald Eden is the sole credentialled expert.