About this expo
efa:ON is recognized as the leading industry event for electrical, building, and lighting technology in Central Germany. It functions as a central platform designed to bring together suppliers and trade visitors from diverse sectors. The event's core focus is to generate new ideas and insights on critical topics such as sustainable business practices, resource efficiency, climate protection, and innovative solutions, establishing itself as a key meeting point for experts in these fields.
The exhibition is structured into four primary themed areas: ON:BUILDING, covering intelligent building technology, modern lighting design, automation, and sensor systems; ON:ENERGY, focusing on renewable energy, photovoltaics, energy storage, and charging infrastructure for e-mobility; ON:NETWORK, addressing issues such as grid stability, data infrastructure, and broadband expansion; and ON:DIGITAL, showcasing digital solutions related to IoT, AI, BIM, and IT security. A broad range of other product categories are also featured, including automation technology, building installation, energy and distribution network technology, facility management, and information and communication technology.
The event targets a wide professional audience, including trades, industrial, commercial, and energy supply companies, as well as traders, planners, architects, engineers, building operators, investors, and the next generation of industry professionals. System integrators, manufacturers, technology buyers, craftsmen, network operators, users, decision-makers, electrical trades, building services engineering companies, and facility managers will also find efa:ON to be a valuable gathering.
Highlights
5 items- AUMA listed
- Venue: Messegelände, Leipzig, Germany
- Past Exhibitors: 235 (2025), 213 (2017)
- Past Visitors: 11,600 (2025), 12,200 (2017)
- Concurrent events: netze:ON and Sustainable Solutions Leipzig (parallel on two of the three exhibition days in 2027)
FAQ
5 questionsWhen and where does efa:ON Leipzig 2027 take place?+
The event will be held from September 21 to 23, 2027, at the Messegelände (Leipzig Exhibition Grounds) in Leipzig, Germany.
Who organizes efa:ON?+
efa:ON is organized by Leipziger Messe GmbH.
What industries and products are covered at efa:ON?+
efa:ON covers electrical, building, and lighting technology. Key areas include intelligent building technology, renewable energy, grid stability, digital solutions (IoT, AI, BIM, IT security), automation, energy storage, and broadband expansion.
How can I attend or exhibit at efa:ON?+
efa:ON is open to professionals. Exhibitor registration for 2027 opens in September 2026, with an early bird price available until February 24, 2027. Visitor tickets include a day ticket for €21.00 and a reduced day ticket for €16.00.
What are the practical details for participation, such as passes and fees?+
Exhibitor passes are allocated based on stand size, ranging from 2 passes for up to 12 m² to a maximum of 20 passes. Additional passes can be purchased from August 8, 2025. The fee for co-exhibitors is EUR 280.00 plus a Basic Marketing Package of EUR 499.00, and for additionally represented companies, it is EUR 150.00. Admission tickets also include free local public transport on the day of visit within tariff zone 110 of the MDV.