In this article, new estimates of energy consumption in the Swedish manufacturing industry during 1800–1913 are used for interpreting the Swedish industrialisation process from an energy economic perspective. For one we conclude that the revision of previous estimates is substantial when it comes to manufacturing. Furthermore, we demonstrate that the increase of coal consumption, the expansion of the fossil or mineral energy system, to a high degree can be explained by the increased use of steam engines in manufacturing and the transport sector. Finally, we conclude that overall energy intensity patterns is largely determined by assumptions on household firewood consumption. A narrative interpretation of the interplay between energy system transformation and the industrialisation in Sweden concludes the article.