Thomas Edison of the Edison patent to charge a more reasonable rate for the use of the Edison patent rights and lowering the price of the electric lamp. On October 8, 1883, the US patent office ruled that Edison's patent was based on the work of William E. Sawyer and was, therefore, invalid. Litigation continued for nearly six years, until October 6, 1889, when a judge ruled that Edison's electric light improvement claim for "a filament of carbon of high resistance" was valid. To avoid a possible court battle with Joseph Swan, whose British patent had been awarded a year before Edison's,
Edison Electric Institute practice is unfair to homeowners who do not want or can't afford their own solar panels. In August 2018, EEI announced that it was launching an environmental, social, governance, and sustainability-related (ESG/sustainability) reporting template to help both consumers and the financial sector, the latter with "more uniform and consistent ESG/sustainability data and information." EEI had launched a similar program as a pilot program in 2017. The template is the first of its kind, being "the first and only industry-focused and investor-driven ESG reporting framework." The Edison Electric Institute runs a foundation called the Edison Electric Institute for Electric Innovation, which