The German Energy Transition: How Europe's Largest Economy is Going Green
The Political Roots
The Energiewende — energy transition — was set in motion by the Renewable Energy Act of 2000, which guaranteed fixed above-market prices for renewable electricity fed into the grid. This feed-in tariff model was enormously successful at deploying solar and wind capacity. German homeowners and farmers became electricity producers, and renewable energy's share of electricity generation rose from 6 percent in 2000 to over 50 percent by 2024.
But the political consensus supporting the Energiewende was tested by the 2011 Fukushima disaster, which prompted Chancellor Angela Merkel to accelerate the nuclear phase-out from 2036 to 2022. The simultaneous exit from nuclear and coal — the coal phase-out is scheduled for 2038, though the current government is pushing to bring it forward to 2030 — created a supply gap that, in the short term, was filled partly by natural gas. Russia's invasion of Ukraine in 2022 exposed the vulnerability of that gas dependence, forcing Germany to diversify its supply at extraordinary speed.
The Infrastructure Challenge
The biggest obstacle to the Energiewende is not generating renewable electricity — that technology is mature and cost-competitive. The obstacle is moving it. Germany's wind resources are concentrated in the north, near the North and Baltic Sea coasts. Its industrial demand is concentrated in the south and west. The transmission lines needed to move power from north to south — the so-called "electricity highways" or SuedLink and SuedOstLink — have been delayed by a decade or more due to permitting, local opposition, and the political difficulty of routing high-voltage lines through populated areas.
Grid expansion is the invisible bottleneck of every energy transition. China builds transmission lines in months. Germany takes years or decades, constrained by a legal system that gives communities the right to challenge infrastructure projects. The government has streamlined permitting through the Grid Expansion Acceleration Act, but the gap between planning and completion remains one of the largest obstacles to reaching Germany's target of 80 percent renewable electricity by 2030.
The Hydrogen Bet
Germany is betting heavily on green hydrogen — hydrogen produced by electrolysis using renewable electricity — as the solution for sectors that cannot be easily electrified. Steel production, chemical manufacturing, and heavy transport require energy densities and high temperatures that batteries cannot provide. Germany's National Hydrogen Strategy allocates €9 billion to develop production capacity, import infrastructure, and industrial applications.
The challenge is that green hydrogen is currently expensive — roughly three to five times the cost of hydrogen produced from natural gas — and the electrolyzer capacity needed to produce it at scale does not yet exist. Germany is investing in partnerships with countries that have abundant renewable resources — Namibia, Chile, Saudi Arabia — to import hydrogen, but the global hydrogen supply chain is in its infancy. Whether hydrogen becomes the backbone of a decarbonized German industry or an expensive detour is one of the defining unanswered questions of the Energiewende.
The Edge Review explains energy and climate for general readers. German energy data is published by the Federal Ministry for Economic Affairs and Climate Action and the Fraunhofer Institute.