OIBT inspection in Wolfenschiessen
Received an inspection notice from Kantonales Elektrizitätswerk Nidwalden (EWN) for a building in Wolfenschiessen (Nidwalden)? OIBT pro calculates your price online, books an ESTI-licensed inspector and sends the safety report to your grid operator.
Grid operator in Wolfenschiessen
According to ElCom, the municipality's electricity grid is operated by Kantonales Elektrizitätswerk Nidwalden (EWN), which sends the periodic inspection notice and receives the safety report.
The building stock of Wolfenschiessen
Wolfenschiessen has 2'121 inhabitants (FSO, 2024). The federal census counts 416 residential buildings there: 166 single-family houses and 109 multi-family buildings. 73 % were built before 1981 and 163 before 1946: these installations have already been through at least one 20-year periodic inspection cycle, and the grid operator's next notice comes due regularly.
| Single-family houses | 166 |
| Multi-family buildings | 109 |
| Mixed-use buildings | 141 |
| Share built before 1981 | 73 % |
Sources: FSO, population statistics (STATPOP) and federal building census (structure by construction period).
Prices for the canton of Nidwalden (+5 % compared with the national grid).
Frequently asked questions
Who sends the inspection notice in Wolfenschiessen?
In Wolfenschiessen, the periodic inspection notice is sent by Kantonales Elektrizitätswerk Nidwalden (EWN). It states the reference, the installation and the deadline. Photograph the letter in the assistant: we read these details automatically.
How soon can an inspection take place in Wolfenschiessen?
Our inspectors cover Wolfenschiessen and the whole canton of Nidwalden. You pick a slot online, usually within 2 to 3 weeks; “optimal” slots (inspector already in the area) are cheaper.
Which buildings in Wolfenschiessen are subject to periodic inspection?
Every building connected to the grid: in Wolfenschiessen, the federal census counts 416 residential buildings (166 houses, 109 multi-family buildings), 73 % of them built before 1981. A dwelling is inspected every 20 years, business premises every 10 years (5 years for high-risk premises).
What is a periodic OIBT inspection?
The Swiss Low-Voltage Installations Ordinance (OIBT/NIV) requires owners to have their electrical installations inspected at regular intervals (20 years for housing, 10 or 5 years for commercial premises). The grid operator sends a notice; you appoint an independent inspection body which issues the safety certificate.
OIBT inspection pricing
| Detached house | CHF 470incl. VAT |
| Apartment | CHF 300incl. VAT |
| Apartment building | CHF 1389incl. VAT |
| Shop, office, restaurant, workshop | CHF 478incl. VAT |
| Farm | CHF 984incl. VAT |
| Industry, crafts, healthcare | CHF 984incl. VAT |
Neighbouring municipalities served by Kantonales Elektrizitätswerk Nidwalden (EWN)
Buochs · Dallenwil · Emmetten · Ennetbürgen · Ennetmoos · Hergiswil (NW) · Oberdorf (NW) · Stans · Stansstad