This essay explores how humans reveal, access, and harness new primary sources of energy from nature. While the overall importance of energy to our economies and societies is well appreciated, the processes by which we make novel forms amenable to use are not well conceptualized. The advances that have occurred throughout history are viewed as sporadic and taken to be disconnected: the discovery of fossil fuels, of electrical phenomena, of nuclear fission, for example, and the corresponding inventions that employ them, are not often theorized in the context of big history and human social-ecology. All of those forms of energy have always been present in nature, however; what has changed is humanity’s ability, through knowledge and technology, to harness them for our own purposes. This essay investigates the technological relationship between humanity and its environment, using the Industrial Revolution in Britain as a case study of exergonic innovation, where the invention of the Newco