Energy One Limited engages in the provision of software products, outsourced operations, and advisory services to wholesale energy, environmental, and carbon trading markets in the Australasia, and Europe. It offers egssPort Gas, a SaaS solution for gas shippers that handles natural gas and LNG operations; EnergyOffer, a bidding, offering, dispatch, and logistics solution; enFlow, a tool for automating and managing business processes, and for integrating systems; and enPrice, a scalable commodity retail pricing solution. The company also provides enTrader, an ETRM solution for energy markets; enVoy, a communications tool that provides an automated system for sending and receiving energy industry data; EOT that offers front, middle, and backoffice solutions; and eZ-Ops, an energy trading platform that focuses on automating physical gas, power logistics, and short-term portfolio. In addition, it offers NemSight, a Windows-based platform that displays information, including live prices, demand, constraints, generation, bidstacks and temperatures for the Australian electricity, gas and renewables markets; pypIT, a gas pipeline contracts management and scheduling platform; and SimEnergy, an energy trading and risk management (ETRM) solution that offers deal capture, settlements, and risk capability for traders, large customers, retailers, and generators. Further, the company provides power plant management system that manages daily market communication, intraday and day-ahead trading, and nominations for a power plant; energy advisory services; demand and weather linked risk management solutions; generation services; outsourced operations services; plat outage insurance; and managed services. Energy One Limited was incorporated in 1996 and is based in North Sydney, Australia.