Energy Optimizers Limited (EOL) has launched a new ZigBee Smart Energy version of its existing plug-in electricity meter for the Canadian market that can help utilities and households understand better the load demand on the grid. The U.K. company’s device, called the plogg, allows utilities, home and building-owners to monitor how much electricity is being used by individual appliances and electronic devices so that energy efficiency across the grid can be improved. The plogg has gained approval to CSA C22.2 No 61010-1 for use in Canada. The plogg is a combined smart meter plug and data logger, based on Ember’s EM357 ZigBee wireless technology running on a Telegesis module. It can be attached to any electrical appliance or device that uses a standard NEMA 5-15 15 Amp North American plug. The plogg stores the measured electricity data and wirelessly communicates this information through an Internet-linked Ethernet gateway. For instance, BC Hydro in Vancouver is using the plogg in trials designed to test demand side management (DSM) programs that provide accurate load data for the following residential end-uses: Appliance Loads, Standby Loads, Reactive Loads, Voltages.
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