Scenario analysis can be used for risk hedging through identification of “robust” technology portfolios. In this context, a careful balancing of technology-neutral policies (for example, carbon taxes) and technology-banded ones (for example, feed-in tariffs), as well as short- and long-term policy targets, should be considered (Sanden and Azar, 2005). New technologies may not need subsidies if they exhibit high performance despite much higher costs.