Energy One Limited provides various software products and services to wholesale energy, environmental, and carbon trading markets in the Australasia, the United Kingdom, and Europe. The company offers EnergyFlow, a platform for automating and managing business processes, and for integrating systems; EnergyOffer, a bidding, offering, dispatch, and logistics solution; EOT that offers front, middle, and backoffice solutions; NemSight, a real time presentation and historical analysis tool, which offers screens displaying live prices, demand, constraints, generation, bidstacks, and temperatures; and pypIT, a gas pipeline contracts management and scheduling platform. It also provides SimEnergy, an energy trading and risk management (ETRM) solution that offers deal capture, settlements, and risk capability for traders, large customers, retailers, and generators; enTrader, an ETRM solution for energy trading; envoy, a communications framework for passing power and gas industry data to and from market and system operators; eZ-Ops, a web trading solution; and enPrice, egssPort Gas, egssPort Power, and Cosmos solutions. The company was incorporated in 1996 and is based in North Sydney, Australia.