Acorn Energy, Inc., through its subsidiaries, provides technology driven solutions for energy infrastructure asset management worldwide. It offers sonar and acoustic related solutions for energy, defense, and commercial markets with a focus on underwater site security for strategic energy installations and other acoustic systems, as well as develops and produces real-time embedded hardware and software. The company also develops and markets remote monitoring systems to electric utilities and industrial facilities, which are used in a range of utility applications, including outage management, power quality monitoring, system planning, trouble shooting and proactive maintenance, and condition monitoring; and provides the intelligence to transmission and distribution network operators. In addition, it develops and produces fiber optic sensing systems for the energy, commercial security, and defense markets. The company’s patented ultra-high sensitivity fiber optic sensors are designed to replace electronic sensors with fiber optic sensors. Further, it engages in the design, manufacture, marketing, and sale of wireless remote systems that monitor standby power generation, backup power generators, remote powered equipment, cellular towers, emergency towered communications, and remote tower sites; cathodic protection products to monitor pipeline integrity; and other wireless remote systems. Acorn Energy, Inc. was founded in 1986 and is based in Montchanin, Delaware.