Correction to: Geotherm Energy (2020) 8:18 https://doi.org/10.1186/s40517-020-00170-z

After publication of our article it was brought to our attention that we had omitted to include the credit line for Figure 1. The corrected Figure 1 caption with the credit line is given below:

“Schematic of heat transfer process for deep borehole heat exchanger: inverse loop (left) and forward loop (right). Reproduced with permission from Elsevier from Bär et al. Energy Procedia 76 (2015) 351–360; this work is licensed under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).”

There were a number of errors found in the references section. The corrected references are given in this Correction article.

We apologize to readers for these errors.

The original article has been corrected.