21–23 Sep 2027 · Leipzig, DE

efa:ON

efa:ON is a three-day trade fair for the electrical, building and lighting technology sectors held at Leipziger Messe. It presents products, systems and applications such as energy-efficient building technology, smart automation and lighting solutions, and includes a specialist programme with industry-focused presentations. The event runs 21–23 September 2027 in halls 3 and 5 and is held together with netze:ON, with Sustainable Solutions Leipzig taking place in parallel on two days in 2027.

Last updated

Dates
21–23 Sep 2027
Venue
Messe GmbH
Location
Leipzig, DE
Audience
Trade
Duration
3 days
Scale
Small
Exhibitors
10Fact
Visitors
11,800Fact
Construction & BuildingElectronicsHVAC & PlumbingHome, Furniture & InteriorsIndustrial & ManufacturingEnergy & UtilitiesSecurity & Safety

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 This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.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 trade show in Leipzig, Germany for the Construction & Building and Electronics industries. The 2027 edition runs 21–23 Sep 2027 at Messe GmbH. It brings together an estimated 10 exhibitors and 11,800 visitors (organizer-confirmed). Event Scout has indexed 12 exhibiting companies for the event so far.

Known editions

Venue

Messe GmbH

Leipzig, Saxony, DE

Who exhibits at efa:ON

We've captured 12 exhibitors for efa:ON (roster as of 2027). They span 4 countries, 38% of them based outside Germany.

Where exhibitors are based

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

  • Germany63%·5
  • Switzerland13%·1
  • Italy13%·1
  • United States13%·1

Based on 8 exhibitors with a known head-office country.

What exhibitors do

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

  • Energy Electronics50%·2
  • Construction25%·1
  • Software It25%·1

Based on 4 exhibitors with an industry label — a company can carry several, so shares can total over 100%.

Exclusivity

25%Class Fof exhibitors exhibit nowhere else we track

Widely networked — most exhibitors are also found across other events.

Cross-referenced against 12 exhibitors in our event graph.

International reach

38%Class Eof exhibitors are based abroad

Mostly national — largely a home-country field with some international presence.

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

Event Scout has indexed 10+ companies exhibiting at efa:ON so far. They span industries including energy-electronics, construction and software-it. The preview below shows a sample of the indexed roster; the full list is available through Event Scout.

  • Hager Vertriebsgesellschaft mbH & Co. KG
  • ABB AG STOTZ-KONTAKT
  • Regiolux
  • Bookmarks
  • netze:ON
  • Hotel buchen
  • Termine und Preise

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Frequently asked questions

When is efa:ON 2027?
efa:ON 2027 runs 21–23 Sep 2027 at Messe GmbH.
Where is efa:ON held?
efa:ON is held at Messe GmbH in Leipzig, Germany.
How many exhibitors does efa:ON have?
efa:ON counts an estimated 10 exhibitors. Event Scout has indexed 12 exhibiting companies so far.
Who exhibits at efa:ON?
Indexed exhibitors include ABB AG, Uninterruptible Power Supply by Riello UPS, Striebelundjohn and Mastodon hosted on mastodon.social. The event spans the Construction & Building, Electronics and HVAC & Plumbing sectors.
Is efa:ON worth attending?
efa:ON is a trade show for the Construction & Building and Electronics industries, so it is most relevant to exhibitors and buyers in those industries. It brings together an estimated 10 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 12 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