melita.io, the European M2M connectivity network, is participating in the E-World Energy & Water Fair 2025. In collaboration with key solutions partners, melita.io is showcasing cutting-edge IoT solutions and connectivity tailored for energy, water, and gas metering.
E-World Energy & Water is being held at Messe Essen and melita.io is at Hall D, Stand 4C108. As Europe’s premier trade fair for the energy sector, E-World Energy & Water offers an ideal platform for melita.io to present its innovative technologies that drive the sector forward.
“Our IoT connectivity and partner solutions are designed to meet the evolving demands of the energy industry,” said Tobias Stiepak, MD of Melita.io German operations. “By focusing on metering for energy, water, and gas, we aim to empower utilities to achieve greater efficiency, reduce operational costs, and support the broader goals of sustainability and the energy transition.”
These IoT solutions are essential for modernising utility infrastructure, enhancing efficiency, and promoting sustainable management. Combined with mobile or LoRaWAN connectivity, this suite of metering solutions delivers accurate, real-time data, enabling utilities to optimise operations and improve service delivery.
Joining melita.io at the stand are solutions partners DNT and Heatmanager, demonstrating how their integrated automatic hydraulic balancing and energy optimisation solutions can reduce heating costs by up to 30 per cent. Additionally, Countrol is highlighting its smart meters and advanced energy optimisation technologies, while 7/Lab is showcasing innovative IoT applications across various industries. Crout by melita.io is also presenting multi-IMSI and multi-profile IoT SIM cards to support specialised IoT solutions.
melita.io provides the essential connectivity, while its partners deliver specialised solutions, working together to offer a comprehensive and integrated approach to utility management.
The key connectivity products from melita.io being showcased at E-World Energy & Water 2025:

1. melita.io M2M SIM
   A versatile and reliable connectivity solution designed for a wide range of IoT applications. This M2M SIM supports multiple technologies, including 2G, 3G, LTE, 5G, NB-IoT, and LTE-M, making it ideal for global deployments. It is particularly beneficial for industries such as logistics, where cost-effective and consistent connectivity is essential. The SIM ensures reliable connections without additional roaming charges, with pricing at just €5 per GB on a pay-per-use basis in over 60 countries, including the EU, UK, and USA.
2. Prepaid 1GB for 10 Years
   Designed for businesses managing low-power, long-lifecycle devices such as smart meters and smart thermostats, this prepaid IoT SIM provides a cost-effective and long-term solution. For a one-time fee of €10, users receive 1GB of data, 100 SMS, and a 10-year activation period. Available across the EU, it offers reliable, maintenance-free connectivity for devices that require long-term, low-power communications.
3. Crout Data Max IoT SIM – High-Speed Connectivity for Demanding Applications
   Built for high-performance applications, including surveillance systems, connected drones, alarms, and electric vehicles, the Crout D-Mx IoT SIM provides high-speed, reliable connectivity at just €1 per GB in Germany and select EU countries. As with all melita.io SIMs, D-Mx SIM features multi-network connectivity and failover capabilities, ensuring continuous service even during network disruptions. Available in multiple formats, including multi-IMSI and QR-Code options, it also supports eUICC technology for easy provider switching. Additionally, the D-Mx SIM can be fully white-labelled to meet specific business needs.
4. LoRaWAN managed services

In addition to robust SIM connectivity solutions, melita.io provides a LoRaWAN network across multiple regions in Germany. LoRaWAN is particularly well-suited for low-power, wide-area network (LPWAN) applications, such as smart meters and smart thermostats, offering an efficient connectivity solution for devices requiring minimal power consumption and long-range communication.

With any connectivity option, melita.io also provides a comprehensive SIM or LoRaWAN management platform that grants full control over IoT deployments. Accessible in real time via the cloud, the platform simplifies large-scale meter deployments, enabling utilities to monitor usage, manage data plans, and ensure the reliability of their metering infrastructure.