21–23 Sep 2027 · Leipzig, DE

efa:ON

efa:ON is a regional trade fair for electrical, building and lighting technology held in Leipzig. The event brings together suppliers of technologies and solutions with professional visitors from electrical trades, planning, industry, trade, building operations and related user sectors. It showcases products, systems and applications such as energy-efficient building technology, smart automation and lighting solutions, and includes a specialist programme and themed areas.

Last updated

Dates
21–23 Sep 2027
Venue
Messegelände Barrierefreiheit Medien Pressemitteilungen
Location
Leipzig, DE
Audience
Trade
Duration
3 days
Scale
Regional
Exhibitors
210Estimate
Visitors
11,800Fact
Construction & BuildingEnergy & UtilitiesIndustrial & ManufacturingHVAC & PlumbingHome, Furniture & Interiors

Compiled from public sources and periodically reviewed and updated. This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.

About efa:ON

efa:ON is a regional trade fair for the Construction & Building and Energy & Utilities industries, taking place in Leipzig, Germany. The 2027 edition runs 21–23 Sep 2027 at Messegelände Barrierefreiheit Medien Pressemitteilungen. It brings together an estimated 210 exhibitors and 11,800 visitors (organizer-confirmed). Event Scout has indexed 26 exhibiting companies for the event so far.

Known editions

Venue

Who exhibits at efa:ON

We've captured 26 exhibitors for efa:ON (roster as of 2027). They span 6 countries, 46% of them based outside Germany.

Where exhibitors are based

Exhibitors' head-office countries, most-represented first.

  • Germany55%·6
  • Switzerland9%·1
  • Italy9%·1
  • Portugal9%·1
  • United States9%·1

Based on 11 exhibitors with a known head-office country.

What exhibitors do

The industries the exhibitor base works in, by share of the roster.

  • Energy Electronics50%·3
  • Construction17%·1
  • Religious Congregations And Associations17%·1
  • Software It17%·1

Based on 6 exhibitors with an industry label — a company can carry several, so shares can total over 100%.

Exclusivity

8%Class Gof exhibitors exhibit nowhere else we track

Ubiquitous roster — almost all of these exhibitors appear at many other events we track.

Cross-referenced against 26 exhibitors in our event graph.

International reach

46%Class Dof exhibitors are based abroad

Regionally international — neighbouring countries alongside a strong home base.

Compiled from public sources and periodically reviewed and updated. This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.

efa:ON 2027 exhibitor list

The efa:ON exhibitor list currently counts 20+ indexed companies. They span industries including construction and energy-electronics. The preview below shows a sample of the indexed roster; the full list is available through Event Scout.

  • Digitalization
  • Light
  • Hager Vertriebsgesellschaft mbH & Co. KG
  • ABB AG STOTZ-KONTAKT
  • Regiolux
  • Building Technology
  • CONTACTS BECOME CUSTOMERS
  • efa:ON
  • In tandem with efa:ON
  • Industry Sector of Trade Visitors 2025
  • Knowledge & Services
  • netze:ON
  • netze:ON
  • Origin of Trade Visitors 2025
  • Planning your trade fair presence
  • Sustainable Solutions (Guest Event)
  • Technical Implementation
  • Hotel buchen

+ 1 more exhibitors

Search, filter and export the complete exhibitor list in Event Scout.

7 days free, then $23/month

Related events

More Construction & Building in Germany →

Frequently asked questions

When is efa:ON 2027?
efa:ON 2027 runs 21–23 Sep 2027 at Messegelände Barrierefreiheit Medien Pressemitteilungen.
Where is efa:ON held?
efa:ON is held at Messegelände Barrierefreiheit Medien Pressemitteilungen in Leipzig, Germany.
How many exhibitors does efa:ON have?
efa:ON counts an estimated 210 exhibitors. Event Scout has indexed 26 exhibiting companies so far.
Who exhibits at efa:ON?
Indexed exhibitors include Striebelundjohn, ABB AG, Uninterruptible Power Supply by Riello UPS and Efficient MarketsEfficient MarketsEfficient Markets. The event spans the Construction & Building, Energy & Utilities and Industrial & Manufacturing sectors.
Is efa:ON worth attending?
efa:ON is a regional trade show for the Construction & Building and Energy & Utilities industries, so it is most relevant to exhibitors and buyers in those industries. It brings together an estimated 210 exhibitors. Whether it is worth attending depends on your objectives, but its scale and sector focus are a useful guide.
How do I get the efa:ON exhibitor list?
Event Scout has indexed 26 companies exhibiting at efa:ON so far. A sample is shown in the exhibitor-list section on this page, and the full roster is available through Event Scout.

The data on this page comes from Pragmatic Event Scout — a live catalog of 14,000+ trade shows where every figure is labeled as a fact or an estimate.Logos provided by Logo.dev

See the full exhibitor list

Every exhibitor, every event, searchable — with CSV & calendar export.

7 days free, then $23/month