I think you misunderstand the linked doc. Oak Ridge Electric Company, which is a tiny municipal utility that sources electricity from TVA, has 7.09% participat

I think you misunderstand the linked doc. Oak Ridge Electric Company, which is a tiny municipal utility that sources electricity from TVA, has 7.09% participation in its green pricing program (which presumably bypasses TVA). This has nothing to do with TVA itself and how it generates power.