OIBT inspection in Trey
Received an inspection notice from Groupe E SA for a building in Trey (Vaud)? OIBT pro calculates your price online, books an ESTI-licensed inspector and sends the safety report to your grid operator.
Grid operator in Trey
According to ElCom, the municipality's electricity grid is operated by Groupe E SA, which sends the periodic inspection notice and receives the safety report.
The building stock of Trey
Trey has 318 inhabitants (FSO, 2024). The federal census counts 81 residential buildings there: 43 single-family houses and 4 multi-family buildings. 79 % were built before 1981 and 55 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 | 43 |
| Multi-family buildings | 4 |
| Mixed-use buildings | 34 |
| Share built before 1981 | 79 % |
Sources: FSO, population statistics (STATPOP) and federal building census (structure by construction period).
Prices for the canton of Vaud (+5 % compared with the national grid).
Frequently asked questions
Who sends the inspection notice in Trey?
In Trey, the periodic inspection notice is sent by Groupe E SA. 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 Trey?
Our inspectors cover Trey and the whole canton of Vaud. You pick a slot online, usually within 2 to 3 weeks; “optimal” slots (inspector already in the area) are cheaper.
Which buildings in Trey are subject to periodic inspection?
Every building connected to the grid: in Trey, the federal census counts 81 residential buildings (43 houses, 4 multi-family buildings), 79 % 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 Groupe E SA
Avenches · Chevroux · Château-d'Oex · Corcelles-près-Payerne · Cudrefin · Faoug · Grandcour · Maracon · Missy · Payerne · Rossinière · Rougemont