# e.nergy.in > Who makes, builds, installs and supplies energy, as open records that each name their source. The open register of the energy industry. Every record is open and names its source. Read any page as Markdown by adding .md to its path, or as JSON with .json. ## Sections - [Companies](https://e.nergy.in/companies.md): Manufacturers, developers, EPCs, installers and suppliers across solar, wind, storage, EV charging and the grid. - [Products](https://e.nergy.in/products.md): Products and the official lists they appear on, starting with solar modules and cells. ## Open data - [API index](https://e.nergy.in/api/v1): JSON endpoints for every section, CORS open - [Change feed](https://e.nergy.in/api/v1/changes): every write, in order; follow ?since= - [Sources and licences](https://e.nergy.in/sources.md) - [About](https://e.nergy.in/about.md) Records: 2311 orgs, 13783 products.