Economic progress has brought increasing demand for electricity to supply such facilities as movie theaters, coffee shops, music halls, television sets and classrooms, as well as homes, factories and offices.
現代生活中的各種電器用品為我們帶來極大的便利與福祉，某些電器甚至使人感到不可一日或缺；至於工業生產、農植畜牧、漁業養殖等，也多少要用到「電」，某些產業甚至無電即停擺。