This program is designed to collect the system profile and calculate the results of Energy Star (5.2 & 6.0 & 7.0 & 8.0) and ErP Lot 3 (Jan. 2016).
Please execute the following commands to get the permissions.
$ snap connect energy-tools:hardware-observe $ snap connect energy-tools:home
Connecting ':home' interface allows it to read/write files under home directory. Connecting ':hardware-observe' interface allows it to get the hardware information.
energy-tools needs those permissions to do the work.
If you install energy-tools by Ubuntu Store, there is a permissions button to enable those permissions.