Private & business customers Municipalities & suppliers current offers About onyx Home » Private & business customers current Connect electricity Installation control Installation control House installation control A periodic check of the electrical house installations gives you the security of being able to consume electricity at any time without danger. For this reason, the network operator requests the homeowner at fixed intervals to have the legally required checks carried out by a recognized inspection body. Acceptance control If electrical house installations are changed or newly created, an acceptance check must be carried out. This regulation also applies to systems installed for a limited period of time, for example construction sites, markets or festival areas. Important: The responsibility for registering and carrying out the acceptance inspection lies with the owner or operator of a system. Directory of installation and control permits according to NIV The Federal Inspectorate for Heavy Current Installations (ESTI) keeps a register of all recognized inspection bodies that are authorized to carry out installation and acceptance inspections. SECURON AG - recognized control body from the BKW Group onyx Energie AG connection service Waldhofstrasse 1 4901 Langenthal 058 477 48 45 anschlussservice@onyx.ch Facebook Twitter E-mail onyx Energie AG Waldhofstrasse 1 4901 Langenthal 058 477 21 21 info@onyx.ch opening hours Mon-Thu 7.30am-12pm / 1pm-5pm, Fri 7.30am-12pm / 1pm-4.30pm Customer service 0800 250 250 Connection service 058 477 48 45 Breakdown service (24 hours) 062 919 21 42 imprint data protection BKW new network operator The distribution network operators AEK and onyx will merge with BKW in 2022. Learn more