Notwithstanding any other law, a river authority may:
(1) provide transmission services, as defined by the Utilities Code or the Public Utility Commission of Texas, on a regional basis to any eligible transmission customer at any location within or outside the boundaries of the river authority; and
(2) acquire, including by lease-purchase, lease from or to any person, finance, construct, rebuild, operate, or sell electric transmission facilities at any location within or outside the boundaries of the river authority.