Edison Energy (now part of the unified brand Trio following the merger of Edison Energy, Alfa Energy, and Altenex Energy) is a global sustainability and energy advisory firm serving large commercial, industrial, and institutional clients. It helps organizations understand energy risk, reduce costs, and achieve sustainability goals through services spanning energy risk and strategy, energy optimization and implementation (audits, commissioning, retro-commissioning, distributed energy/storage), conventional supply management (procurement, data and invoice management, reporting), and clean/renewable energy advisory (PPA procurement, aggregation, REC and carbon offset management). Originally created as part of Edison International, a major US energy utility, it operates internationally including via its Altenex Energy sister site in Europe.