Wattwatchers Auditor 6MW

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  • 2024

  • Engineering

Designed By:

Commissioned By:

Wattwatchers

Designed In:

Australia

Wattwatchers’ Auditor 6MW is an IoT electrical energy monitor for homes, industries, and governments. The device democratises energy management, providing easy, low-cost installation into electrical systems. Seamless integration with Wattwatchers’ own app and existing renewable installations positions the product as a pivotal enabler of Smart Grids and the energy transition.


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  • Emerging market demands require easy access to, and granular understanding of, real-time power consumption data along with the ability to automate actions based on specific configurations. Different contexts, broad needs, and lack of innovation in the energy management space has left gaps in these demands being met. Existing solutions, like Smart Inverters, are cost inhibitive, require comprehensive overhauls of electrical systems, rely on access to on-premises Wi-Fi, and often restrict users to certain network providers. With the rise of consumer energy resources, like rooftop solar, batteries and EV’s, electricity distributors need reliable control to manage grid stability and resource optimisation.

  • Wattwatchers’ advanced energy monitor presents an independent, compact, versatile device capable of monitoring up to six circuits simultaneously, integration to inverters and billing meters, and automation of major loads. It features non-intrusive, easy-to-install current transformers, and both Wi-Fi and 4G connectivity. The device smoothly pairs with Wattwatchers’ MyEnergy app, or available APIs for enterprise customers. During design, the installation and usability challenges typically associated with traditional power monitors were all addressed, making energy management accessible to any user. The biggest design challenge - the product size - was overcome with innovative packaging techniques of the internal electronics while maintaining electrical safety standards.

  • Wattwatchers’ Auditor 6MW enables users to proactively manage their energy consumption, reduce costs, and minimise environmental footprint—paramount in the drive to electrification Insights into energy usage enables manual or automated adjustments and optimised energy use. By integrating into legacy installations and inverters, value of existing infrastructure is boosted. The device’s capabilities make it a valuable asset not only for homeowners, but also industrial managers aiming to improve energy efficiency, net zero compliance and operational transparency. Its widespread adoption leads to substantial savings, mass insights into energy consumption and distribution, and reduction in carbon emissions through efficiency and load shifting measures.

  • The key features highlight all the stakeholder needs that have been addressed, from the installing electrician, to the typical residential customer, to larger enterprises and governments. • Single-phase or three-phase mains power monitoring. • Class 1 (1%) factory-calibrated accuracy across six energy channels for reliable data. • “Always On”, powered from the mains being monitored, no external DC power plug pack or batteries needed. • Status indicators to give field insights, in addition to mobile and desktop tools. • Split-core current transformers, no modification of existing cables required. • Options for connecting via Wi-Fi or 4G, ensuring constant connectivity in all contexts. • A slim profile, taking up the minimal space possible inside switchboards/cabinets. • True over-the-air firmware updates, allowing users to receive continuous improvements, and accommodating emerging standards. • Real-time communication, surpassing IoT devices that only provide scheduled updates (e.g. day behind). • Safety and EMC compliance with IEC/CISPR standards, ensuring a dependable solution in harsh environments. • Generic Modbus interface, designed for integration into inverters but future-proofed for a wide array of instrumentation and equipment. • Switched contactor output for dynamic control of major circuits. • Compliance to modern information and IoT security standards. • Modern, simple, and intuitive UX on the Wattwatchers software platforms. • Industry-leading 15 minutes start-to-end installation.