Fixed bess soc

[hdunham]

Please check if the PR fulfills these requirements

• CHANGELOG.md is updated
• Docs have been added / updated if applicable
• Any new packages have been added to the [compat] section of Project.toml
• REopt version number is updated in Project.toml and CHANGELOG.md if merging into master (do this right before merging)
• Tests for the changes have been added. These tests should compare against expected values that are calculated independently of running REopt. Tests should also include garbage collection (see other tests for examples).
• Any new REopt outputs and required inputs have been added to the corresponding Django model in the REopt API

Replace this with a description of the changes (can just copy from CHANGELOG.md)