Wireless Power Transmission: From Tesla's Visionary Dreams to Contemporary Technological Realization

This comprehensive paper examines the evolution, current state, and future prospects of wireless power transmission (WPT) technology, tracing its origins from Nikola Tesla’s pioneering experiments in the late 19th century to modern commercial implementations shaping the 21st-century energy landscape. The study analyzes the fundamental physical principles underlying wireless energy transfer, including electromagnetic induction, resonant coupling, and radiative transmission, while exploring the historical, economic, and technological challenges that prevented Tesla’s ambitious vision from becoming reality during his lifetime. Recent decades have witnessed transformative breakthroughs that are propelling WPT from theoretical concept to practical application. This paper systematically examines major transmission modalities—inductive coupling, magnetic resonance, microwave beaming, and laser-based energy transfer—highlighting their respective efficiencies, distance capabilities, and safety profiles. Special emphasis is placed on their implementation in electric vehicle charging, consumer electronics, and utility-scale energy delivery systems. Drawing upon data from leading companies such as WiTricity, Emrod, and various Asian research consortia, as well as market analyses projecting growth from USD 10.91 billion in 2024 to USD 43.89 billion by 2032, this paper argues that wireless power transmission is approaching an inflection point where a century-old scientific aspiration is becoming a commercially viable energy solution. The paper concludes with a critical assessment of persisting barriers, including transmission efficiency over distance, electromagnetic interference, biological safety, and the need for coherent international regulatory frameworks. Collectively, these findings underscore that while significant hurdles remain, WPT is poised to redefine global energy infrastructure, enabling a future of cleaner, more flexible, and seamlessly interconnected power systems.