Germany faces €6 trillion investment need for 2045 climate neutrality, KfW report says
A KfW report produced with Prognos estimates Germany must invest about €6 trillion by 2045 to reach climate neutrality. Transport accounts for the largest share, followed by energy, buildings, and industry. The study warns that current annual climate investment is far below what is required, leaving a shortfall of roughly €180 billion per year.
The KfW-Prognos assessment puts the required outlay at roughly €6 trillion through 2045, up from a €5 trillion estimate in a 2021 study. Transport is expected to absorb 45 percent, with energy at 25 percent, buildings at 22 percent, and industry at 8 percent.
Between 2018 and 2023, average annual climate-related spending by firms, households, and government reached about €110 billion. The report identifies an annual gap near €180 billion. The report assigns companies almost €3 trillion, or about €140 billion yearly, while energy infrastructure—grids, district heating, and large renewables—accounts for around €1.3 trillion.
If the projected shortfall persists, households and businesses could face higher transition costs or delayed upgrades in transport, heating, and power infrastructure. Workers and communities tied to carbon-intensive sectors may see uneven effects, while consumers might benefit later from lower energy expenses and reduced climate-related damage. Public budgets and private investors may need to share the burden, and the pace of implementation could shape regional economic outcomes and public trust in climate policy.