This material discusses in detail the fuse diagrams of the Jaguar E-Pace (first generation): 2017, 2018, 2019, 2020, 2021, 2022 model year.
Fuse #26 in the passenger compartment and fuses #40 and #42 in the trunk are responsible for the cigar lighter.
In the engine compartment
For access remove the two plastic fixings securing the air box tube. Then pull the air box tube up to release it from the air box. Unlatch the tabs securing the fuse box cover.
In the passenger compartment
For access remove the lower access panel.
In the luggage compartment
Remove the panel from the left-side of the trunk.