energy-tools

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) or Lot 26 Tier 3 (Jan. 2019).

Please execute the following commands to get the permissions.

$ snap connect energy-tools:hardware-observe
$ snap connect energy-tools:home
$ snap connect energy-tools:mount-observe

Connecting ':home' interface allows it to read/write files under home directory.
Connecting ':hardware-observe' interface allows it to get the hardware information.
Connecting ':mount-observe' interface allows it to check the system disk.

energy-tools needs those permissions to do the work.

If you install energy-tools by Ubuntu Store, there are some buttons to enable those permissions.