https://www.reuters.com/article/us-tesla-energy-germany-explainer/explainer-why-germanys-energy-market-is-ready-for-a-shake-up-idUSKBN25T1SL

Germany is home to one of the world's most liberalised electricity sectors, which was thrown open to competition 20 years ago. Today, Europe's largest economy is seeking to blaze a trail in renewable energy.