Formed as Southwestern Gas and Electric Company in June 1912, AEP Southwestern Electric Power Company (SWEPCO) is 104 years o ... ld. SWEPCO values its most cherished assets – its customers and its employees. When the company was first formed, it had 125 employees and served only three communities – Shreveport, Bossier City and Texarkana – with a combined population of 42,000. Today, SWEPCO serves over 200 communities on its lines, representing a diverse 33,000-square mile service area of northern and central La., east and north Texas, and western Arkansas with a population of two million. There are 1,640 company employees supplying electricity to over 520,000 customers over 5,000 miles of transmission lines and about 25,500 miles of distribution power lines. read more