Investment in energy efficiency once again expanded, despite persistently low energy prices, reaching $231 billion in 2016. While Europe spent the most on energy efficiency 2016, the fastest growth occurred in China, where a strengthening of energy efficiency policies is helping to reduce the energy intensity of the economy, alongside structural changes. Globally, most investment – $133 billion – has gone to the buildings sector, which accounts for one-third of total energy demand.

Source: World Energy Investment 2017

11 July 2017