International cooperation

The German decision to switch the entire energy supply to renewable energy and phase out of nuclear energy created an international stir. ifeu analyses strategies and instruments for the global expansion of renewable energy and energy efficiency in various research and consulting projects. We are engaged in both short consulting projects in Peru, Thailand, Nigeria, Brazil and Nigeria, and in extended collaborative research projects in China and Rwanda.


Dr. Martin Pehnt

PhD, Dipl. Physiker (graduate in physics)
Scientific and Managing Director
+49 (0)6221 4767 0


Rapid Planning

Rapid Planning involves the development of rapid actionable planning methods for rapidly growing cities which have networked energy, water, wastewater, solid waste and urban agriculture sectors.

Recast Urumqi

The central aim of the transdisciplinary project is to develop strategies and tools for the sustainable development of rapidly growing metropolises in dry areas in Central Asia (Urumqi / NW China), in…

iBRoad - Individual Building Renovation Roadmaps

iBROAD intends to explore, design, develop and demonstrate the concept of individual building renovation roadmaps (iBROAD), as a tool outlining deep step-by-step renovation plans with customised…

Website ""

The website developed on behalf of Heinrich-Böll-Stiftung aims to explain what the German Energy Transition is, how it works, and what challenges lay ahead. It is intended to…

Climate Cities Benchmark

The beginning of a climate protection partnership between cities in the USA and Germany as well as in Japan and Germany is at the forefront of a research and development project that ifeu is…

Renewable Energy Masterplan Nigeria

Nigeria, the land of oil, gas and coal resources, is developing a Renewable Energy Master Plan (REMP). Renewable energy ought to help improve the rural population’s access to modern energy, reduce the…

Renewable Energy for Peru

The Peruvian electricity generation is characterized by a high proportion of hydroelectric power, but also by a growing contribution of gas-fired power plants. Increasing climate variability and…