EFS Energy

EFS Energy is a St. Louis–based commercial and agricultural solar company that designs, finances, installs, and maintains photovoltaic systems and battery storage for businesses, farms, schools, and municipal clients across Missouri and Illinois. Founded in 2011, EFS Energy provides end-to-end services including site analysis and design, permitting, incentive and tax-credit navigation, construction management, LED lighting upgrades, and ongoing operations & maintenance, with a focus on energy independence, long-term cost savings, technical excellence, and community education.