【Spiegel誌】ドイツの再生可能エネルギー移行のコストと誤り:なぜ電力は贅沢品になったか?
High Costs and Errors of German Transition to Renewable Energy
Germany's Energy Poverty: How Electricity Became a Luxury Good
http://www.spiegel.de/international/germany/high-costs-and-errors-of-german-transition-to-renewable-energy-a-920288.html

【ウォールストリート・ジャーナル】
ドイツの再生可能エネルギーへの高額な賭け
Germany's Expensive Gamble on Renewable Energy
http://online.wsj.com/articles/germanys-expensive-gamble-on-renewable-energy-1409106602