The term "radiant energy" is most commonly used in the fields of radiometry, solar energy, heating and lighting, but is also sometimes used in other fields (such as telecommunications).
Istilah "energi radiasi" ini paling sering digunakan dalam bidang radiometri, energi surya, pemanas dan pencahayaan, tetapi juga kadang-kadang digunakan di bidang lain (seperti telekomunikasi).