Versions of Tennessee Code 12-3-907 - Energy efficiency standards and life cycle costs to be used by political subdivisions on LawServer 2024 Tennessee Code 12-3-907 – Energy efficiency standards and life cycle costs to be used by political subdivisions 2023 Tennessee Code 12-3-907 – Energy efficiency standards and life cycle costs to be used by political subdivisions 2021 Tennessee Code 12-3-907 – Energy Efficiency Standards and Life Cycle Costs to Be Used by Political Subdivisions 2020 Tennessee Code 12-3-907 – Energy Efficiency Standards and Life Cycle Costs to Be Used by Political Subdivisions 2019 Tennessee Code 12-3-907 – Energy efficiency standards and life cycle costs to be used by political subdivisions