Germany uses strong financial incentives through subsidies and loans to reduce energy consumption as well as encourages the usage of renewable energy.
Source: UNEP, 2008, Green Jobs: Towards decent work in a sustainable, low-carbon world

"Germany has adopted a range of successful policies that eliminates barriers to renewable energy development. Especially Low-interest loans (some offered through the country's 100,000 Solar Roofs program) help overcome the obstacle of high initial capital costs. "