Edison International is a publicly traded utility holding company based in Rosemead, California, whose principal subsidiary is Southern California Edison (SCE). As an electric utility holding company, Edison International oversees the delivery of electricity through SCE’s integrated network of generation procurement, transmission and distribution infrastructure, serving millions of customers across central, coastal and southern California. The company’s operations focus on reliable energy delivery, customer service, regulatory compliance and long-term infrastructure planning for a complex and high-demand service territory.
The company’s activities include procuring and managing a diverse resource mix, maintaining and upgrading transmission and distribution systems, and implementing grid modernization projects. Edison International and SCE have invested in renewable energy procurement, energy storage, grid hardening and advanced metering to support reliability, decarbonization goals and integration of distributed energy resources. In recent years the company has also emphasized wildfire mitigation strategies, emergency preparedness and public-safety measures tailored to California’s challenging wildfire and weather conditions.
Edison International was formed as a holding company in 1988 to consolidate and manage its regulated utility operations, while its utility roots trace back to electric companies operating in the early 20th century. The company operates within a heavily regulated environment and works with state regulators, policymakers and local stakeholders on rate cases, reliability standards and environmental requirements. Edison International’s business model centers on providing essential electric services while transitioning toward cleaner energy sources and enhancing grid resilience to serve its California service area.
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