Rentricity Inc. works with water utilities to recover energy in piping systems, generating renewable electricity without affecting utility operations. The Company customizes and integrates its energy recovery solutions, which include a micro-turbine, generator, sensors, processors, electronic controls and communications equipment that operate seamlessly and autonomously within utility infrastructure. Systems are integrated with the existing SCADA system, providing transparent controls and real-time power, flow, and pressure data. More than 6,500 Pressure Reduction Valve sites in the United States qualify for in-pipe hydropower with an annual potential of 520 megawatts of installed renewable energy. The technology is applicable to industrial and wastewater treatment systems, mandated small dam releases, and water transfer stations. Rentricity will present the case study from its Keene, NH project, the world’s very first carbon-neutral water treatment plant powered by its own flow of water. In April 2011, Rentricity commissioned its Flow-to-Wire~(TM) installation at the Keene Water Treatment Facility. The 62kW energy recovery installation operates autonomously within the water utility’s infrastructure while integrated with the system wide SCADA system, and maintains full transparency to the plant’s normal operations. The Keene installation creates more than enough electricity to fully offset the facility’s energy needs, and excess electricity is sold back to the local power grid.
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