Following the nuclear meltdown in Fukushima Daiichi, in summer 2011 the German parliament decided to phase-out nuclear power by 2022. When this decision was taken, a number of model-based analyses investigated the influence this decision would have on electricity prices and CO2 emissions. They...

The central pillar of European climate policy, the European Emissions Trading System (EU ETS), is currently under scrutiny, as the allowance price is persistently low at around 5€/tCO2. The cap was met and emissions actually declined in recent years, ensuring the environmental effectiveness of...

With the global expansion of renewable energy (RE) technologies, the provision of optimal RE policy packages becomes an important task. We review pivotal aspects regarding the economics of renewables that are relevant to the design of an optimal RE policy, many of which are to date unresolved....

Fabian Joas, Michael Pahle und Christian Flachsland, Potsdam Institut für Klimafolgenforschung und Mercator Research Institute on Global Commons and Climate Change, Berlin, stellen die Ergebnisse einer Befragung von 54 Akteuren der Energiewende aus den Bereichen Politik, Wirtschaft,...

German energy policy targets envision a share of electricity from renewable energy sources (RES-E) of at least 80% in 2050. How can the transformation of the German electricity sector be achieved and at what costs? This paper addresses these questions by means of a meta-analysis of 10 recent...

The impacts of the availability of low-carbon technologies on the regional distribution of mitigation costs are analyzed in a global multi-regional integrated assessment model. Three effects on regional consumption losses are distinguished: domestic measures, trade of fossil energy carriers and...