SIEL

Founded in 1983, SIEL is a renewable energy company headquartered in Trezzano Rosa, Italy specializing in Solar, Wind, Energy Storage.

SIEL, founded in 1983 and led by founder and President Enrico Pensini, began as a manufacturer of uninterruptible power supplies (UPS) and has since expanded into photovoltaic inverters, storage, and wind power inverters. It designs, produces, installs and maintains UPS systems up to 1000 kVA, emergency power systems and photovoltaic inverters for sectors including finance, healthcare, data centers, telecommunications and transport infrastructure. The company reports over 2 GW of renewable installed power worldwide and holds ISO 9001, ISO 14001, ISO 45001 and ISO 27001 certifications. It has subsidiaries and offices in Italy, the United States, Spain, Colombia, Chile, the Middle East and Latin America.