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Center focus on a power meter. The kilowatthours wheel shows the number 50.
Energy efficiency rating. Vector.
Hand on meter of solar generation unit in Los Angeles; California
Electric power meter measuring power usage. Watt hour electric meter measurement tool with copy space.
Woman's hands checking diabetes and hyperglycemia with digital blood sugar meter. Healthcare and medical concept
Electronic electric meter on the outer wall of the building. Installation of modern electricity meters. Theft and unauthorized connection to electrical networks. Space for text.

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