The 22 countries that participate in the Clean Energy Ministerial (CEM) share a strong interest in the development and deployment of clean energy technologies.
As these same countries represent more than 75% of global energy consumption, 80% of global CO2 emissions and 75% of global GDP, they have the power to drive the transition to a cleaner energy system and, since CEM first convened in 2010, have taken steps toward this challenging goal. So how much progress has been made thus far?

This comprehensive overview examines the latest developments in key clean energy
technologies:
Technology penetration: how much are clean energy technologies being used?
Market creation: what is being done to foster the necessary markets?
Technology developments: how are individual technologies performing?
Each technology and sector is tracked against interim 2020 targets in the IEA 2012 Energy Technology Perspectives 2°C scenario, which lays out pathways to a sustainable energy system in 2050.

Stark messages emerge: progress has not been fast enough; large market failures are preventing clean energy solutions from being taken up; considerable energy-efficiency potential remains untapped; policies need to better address the energy system as a
whole; and energy-related research, development and demonstration need to accelerate. The report also introduces a new IEA index, tracking the carbon intensity of energy supply since 1970, that shows no recent improvement and underscores the need for more concerted effort.

Alongside these grim conclusions there is positive news. In 2012, sales of hybrid electric vehicles passed the 1 million mark. Solar photovoltaic systems were being installed at a record pace. The costs of most clean energy technologies fell more rapidly than anticipated.
The report provides specific recommendations to governments on how to scale up
deployment of these key technologies.

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