There are many posibilities but most common places could be from other nations (let's say they import energy they need) or from renewable energy sources which provide an excellent way for a region to gain extra energy.
Its a valuable resource for the president because what the public says matters a lot in whatever the president is doing.
The first continental congress had 55 leaders from 12/13 colonies (only Georgia was missing). The second congress had leaders from every colony.
During the 1870s and 1880s, the vast majority of these people were from Germany, Ireland, and England--the principal sources of immigration before the Civil War.