Power quality equipment refers to devices and systems—such as UPS units, surge protectors, harmonic filters, voltage regulators, and power meters—that monitor, manage, and improve the stability, reliability, and cleanliness of electrical power. With increasing use of sensitive electronics, growth in industrial automation, integration of renewable energy sources, and rising costs of downtime, demand for such equipment is surging. The market is expanding notably in Asia-Pacific, driven by infrastructure build-out and regulatory standards, while industrial and commercial users are leading adoption to protect equipment and ensure operational continuity.