APX is the leading infrastructure provider for environmental and energy markets in renewable energy and carbon commodities. APX business services include the APX Environmental Management Account™, a comprehensive suite of solutions for environmental asset and risk management in the new carbon economy. More than 1300 global firms trust APX to issue, track, manage and retire environmental commodities across all renewable energy markets in North America and carbon markets worldwide. APX also provides technology, strategic consulting, and expert operational services to assist wholesale power market participants reduce costs and improve performance in power scheduling, settlement, market operations, system operations support, and demand response programs. APX is a privately held company.