Useful energy is an inconsistently or vaguely used term for energy that is available to end users for their needs. Due to transmission and conversion losses, the useful energy is lower than the final energy measured at the transfer point . Forms of useful energy are heat for space heating, cold for space cooling, light for workplace lighting or mechanical work .
- Accounting (accessed on October 15, 2015)
- General information and definition of terms for the EnEV (accessed on October 15, 2015)
- Lisa Thormann, Diana Pfeiffer, Karina Bloche-Daub, Daniela Thrän and Martin Kaltschmitt: Biomass in the energy system . In: Martin Kaltschmitt, Hans Hartmann & Hermann Hofbauer (eds.): Energy from biomass - fundamentals, techniques and processes . 3rd updated and expanded edition. Springer Vieweg, Berlin 2016, ISBN 978-3-662-47437-2 , 1.2, p. 9-64 .