April 2026 brings 10 industrial AI, cybersecurity, and energy conferences across 7 countries, anchored by Hannover Messe (April 20-24, Hanover, Germany), the world’s largest industrial technology trade fair. Manufacturing conferences span from Greenville, SC to Nagoya, Japan. OT cybersecurity has three dedicated events, including OT.SEC.CON in Houston and Level Zero in Atlanta. The energy sector convenes at the AI in Oil & Gas Conference in Houston, the Energy Tech Summit in Bilbao, and the Schneider Electric Innovation Summit in Abu Dhabi. Browse the full year at the 2026 Industrial AI Events Calendar, and register for AI Manufacturing Day on May 12, IIoT World’s next free virtual conference.
What Is the Biggest Industrial AI Event in April 2026?
Hannover Messe (April 20-24, Hanover, Germany) is the largest industrial AI event in April 2026, covering factory automation, energy systems, digital twins, and AI-driven manufacturing under the 2026 theme “Think Tank Forward.”
Hannover Messe 2026
Dates: April 20-24, 2026
Location: Hannover Exhibition Grounds, Hanover, Germany
Description: Hannover Messe is the world’s largest industrial technology trade fair, running under the 2026 theme “Think Tank Forward.” The event covers industrial transformation, automation, energy solutions, and digitalization, and serves as the annual anchor event for factory automation, energy systems, digital twins, AI-driven manufacturing, and industrial supply chains across Europe and globally.
Target Audience: Manufacturing executives, automation engineers, industrial technology decision-makers, supply chain leaders
What Manufacturing Conferences Are in April 2026?
Three manufacturing conferences take place in April 2026 in addition to Hannover Messe: MX.0 Southeast (April 7-8, Greenville, SC), Manufacturing World Nagoya (April 8-10, Japan), and the North American Manufacturing Excellence Summit (April 20-22, Houston).
MX.0 Southeast 2026
Dates: April 7-8, 2026 (pre-conference factory tour April 6)
Location: Greenville, SC, USA
Description: The 5th MX.0 Southeast is built by and for manufacturers responsible for operations, engineering, IT/OT, supply chain, and digital transformation. The event features peer-led sessions on AI, automation, IT/OT convergence, and sustainability, plus a practical hands-on CESMII Smart Manufacturing Workshop.
Target Audience: Manufacturing operations leaders, digital transformation directors, IT/OT engineers
Manufacturing World Nagoya 2026
Dates: April 8-10, 2026
Location: Port Messe Nagoya, Nagoya, Japan
Description: Central Japan’s largest comprehensive manufacturing trade show, featuring 630 exhibitors and 35,000 visitors. The event showcases IT and DX products, mechanical components, factory facilities and equipment, measurement products, and solutions for factory automation. Nine concurrent specialized expos cover design manufacturing, mechanical components, factory equipment, and additive manufacturing.
Target Audience: Design, development, manufacturing, production engineering, and purchasing professionals in Japan’s manufacturing sector
Cost: Free (pre-registration required)
North American Manufacturing Excellence Summit (NAMES) 2026
Dates: April 20-22, 2026
Location: Hilton Americas-Houston, Houston, TX, USA
Description: NAMES gathers 400+ attendees (91% Director level and above) from 200+ global organizations. The summit features 40+ speakers from companies including Toyota, PepsiCo, Intel, Tesla, 3M, Boeing, and Ford, sharing best practices for manufacturing performance, operational excellence, and workforce development.
Target Audience: SVPs, VPs, and Directors of Manufacturing, Supply Chain, Operations, Quality, Lean/CI/OpEx, and Plant Managers
Which OT Cybersecurity Conferences Are in April 2026?
Three OT cybersecurity conferences take place in April 2026: OT.SEC.CON (April 1-2, Houston), the Gartner Security & Risk Management Summit (April 6-7, Dubai), and Level Zero OT Cybersecurity Conference (April 20-22, Atlanta).
OT.SEC.CON 2026
Dates: April 1-2, 2026
Location: George R. Brown Convention Center, Houston, TX, USA
Description: OT.SEC.CON is the Houston-area OT security conference designed to bridge the gap between owner/operators and cybersecurity experts. Expanded to two days for 2026, the event features case-study talks, technical discussions, and networking to build a collaborative community for defending critical infrastructure. The mission is to foster understanding of industrial environment challenges from both OT and cybersecurity perspectives.
Target Audience: OT practitioners, ICS defenders, owner/operators, engineers, IT/OT security teams
Gartner Security & Risk Management Summit Dubai 2026
Dates: April 6-7, 2026
Location: Dubai, UAE
Description: Gartner’s Dubai summit covers cybersecurity strategy, risk management, AI in security, regulatory compliance, identity and access management, and zero-trust architecture for security leaders across the Middle East and Africa region. The event features expert-led sessions, peer networking, and interactive workshops.
Target Audience: CISOs, security executives, risk management professionals in the MEA region
Level Zero OT Cybersecurity Conference 2026
Dates: April 20-22, 2026
Location: Georgia Tech Exhibition Hall, Atlanta, GA, USA
Description: Level Zero is the premier event for ICS/OT cybersecurity professionals, where engineering meets cybersecurity to protect critical infrastructure. The conference uses a multidisciplinary approach integrating engineering, cybersecurity, and risk management. Organized by (CS)2AI (Control System Cyber Security Association International). Virtual attendance via livestream is also available.
Target Audience: ICS/OT cybersecurity professionals, control system engineers, critical infrastructure security leaders
What Energy Conferences Are Happening in April 2026?
Three energy-focused conferences take place in April 2026: the AI in Oil & Gas Conference (April 8-9, Houston), the Energy Tech Summit (April 15-16, Bilbao, Spain), and the Schneider Electric Innovation Summit MEA (April 28-29, Abu Dhabi).
AI in Oil & Gas Conference 2026 (11th Annual)
Dates: April 8-9, 2026 (masterclasses April 7 & 10)
Location: Hyatt Regency Houston West, Houston, TX, USA
Description: The 11th Annual AI in Oil & Gas Conference brings together 500+ senior executives, technical innovators, and operational leaders. The agenda covers AI applications across upstream, midstream, and downstream energy operations, from predictive maintenance and operational optimization to advanced data analytics and cybersecurity. Speakers include leaders from Phillips 66, Chevron Phillips, and ExxonMobil.
Target Audience: Energy sector executives, data scientists, digital transformation leaders in oil and gas
Energy Tech Summit 2026
Dates: April 15-16, 2026
Location: Euskalduna Conference Centre, Bilbao, Spain
Description: Recognized as Europe’s #1 climate tech event, Energy Tech Summit convenes 1,500+ attendees including investors, innovators, startups, corporates, utilities, policymakers, and government leaders for collaboration and deal-making on clean energy transition and industrial decarbonization.
Target Audience: Clean energy startups, investors, corporate sustainability leaders, utility executives, policymakers
Schneider Electric Innovation Summit MEA 2026
Dates: April 28-29, 2026
Location: Abu Dhabi, UAE
Description: The second edition of Schneider Electric’s Innovation Summit Middle East & Africa brings together global energy and technology leaders to advance the regional shift towards energy intelligence. The summit includes a CEO Forum in partnership with Forbes Middle East (100 business leaders), keynote sessions, and a 3,000 sq ft Innovation Hub with live demonstrations of integrated energy technology solutions for energy efficiency, grid modernization, and digital infrastructure.
Target Audience: Energy executives, grid operators, industrial automation leaders, sustainability professionals in the MEA region
Are There Free Industrial AI Events in April 2026?
Many organizations host free webinars and virtual events throughout the year. Manufacturing World Nagoya offers free admission with pre-registration. IIoT World’s next free virtual event is AI Manufacturing Day on May 12, a full-day conference with live interactive panels on autonomous AI, edge sensing, UNS architecture, and manufacturing cybersecurity with speakers from Siemens, Bosch, TDK, OPSWAT, HighByte, InfluxData, and Infinite Uptime. Register at iiot-world.com/upcoming-virtual-conferences.
April 2026 Industrial AI, Cybersecurity & Energy Events at a Glance
| Event | Dates | Location | Category |
| OT.SEC.CON 2026 | Apr 1-2 | Houston, TX, USA | Cybersecurity |
| Gartner Security & Risk Mgmt Summit | Apr 6-7 | Dubai, UAE | Cybersecurity |
| MX.0 Southeast 2026 | Apr 7-8 | Greenville, SC, USA | Manufacturing |
| Manufacturing World Nagoya 2026 | Apr 8-10 | Nagoya, Japan | Manufacturing |
| AI in Oil & Gas Conference | Apr 8-9 | Houston, TX, USA | Energy |
| Energy Tech Summit 2026 | Apr 15-16 | Bilbao, Spain | Energy |
| Hannover Messe 2026 | Apr 20-24 | Hanover, Germany | Manufacturing |
| NAMES 2026 | Apr 20-22 | Houston, TX, USA | Manufacturing |
| Level Zero OT Cybersecurity Conf. | Apr 20-22 | Atlanta, GA, USA | Cybersecurity |
| Schneider Electric Innovation Summit MEA | Apr 28-29 | Abu Dhabi, UAE | Energy |
Browse the full 2026 events calendar with filters by month, category, and region at iiot-world.com/industrial-ai-iiot-industrial-cybersecurity-events-calendar.
Register for free IIoT World virtual events, including AI Manufacturing Day on May 12, at iiot-world.com/upcoming-virtual-conferences.
Have an event to add? Contact us at info@iiot-world.com.
Frequently Asked Questions
1. What are the top industrial AI conferences in April 2026?
The largest industrial AI conference in April 2026 is Hannover Messe (April 20-24, Hanover, Germany), the world’s biggest industrial technology trade fair. Other notable April events include Manufacturing World Nagoya (April 8-10, Japan), the North American Manufacturing Excellence Summit (April 20-22, Houston), and MX.0 Southeast (April 7-8, Greenville, SC).
2. What OT cybersecurity conferences are happening in April 2026?
April 2026 has three dedicated OT cybersecurity events: OT.SEC.CON (April 1-2, Houston), which focuses on IT-OT convergence and defending critical infrastructure; the Gartner Security & Risk Management Summit (April 6-7, Dubai), covering cybersecurity strategy for the MEA region; and Level Zero OT Cybersecurity Conference (April 20-22, Atlanta), which addresses process-level OT security using a multidisciplinary approach.
3. What energy conferences are in April 2026?
Three energy-focused events take place in April 2026: the AI in Oil & Gas Conference (April 8-9, Houston), now in its 11th year with 500+ attendees; the Energy Tech Summit (April 15-16, Bilbao, Spain), Europe’s #1 climate tech event; and the Schneider Electric Innovation Summit MEA (April 28-29, Abu Dhabi).
4. Are there free industrial AI events in April 2026?
Manufacturing World Nagoya (April 8-10) offers free admission with pre-registration. The next free IIoT World virtual event is AI Manufacturing Day on May 12, 2026, featuring live panels on autonomous AI, edge sensing, UNS architecture, and manufacturing cybersecurity. Register at iiot-world.com/ai-manufacturing-day-2026.
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