Ala. Code § 11-50-213

Nothing contained in this article shall be construed as a restriction or limitation upon any authority which any municipality or public gas corporation now existing or hereafter formed may have under the provisions of any other law, but this article shall be construed to be supplemental and additional to all authority otherwise conferred by law. No proceedings, notices, or approval shall be required, except as herein expressly prescribed, any other law to the contrary notwithstanding.